merge-update from trunk
[cdmlib.git] / cdmlib-services / src / main / java / eu / etaxonomy / cdm / api / service / TaxonServiceImpl.java
index a42d970e3cae3e6e3913698a4a7fe7b74f734646..dcb0b8f27907c7f3b87a3338218bef84210690a9 100644 (file)
@@ -21,6 +21,8 @@ import java.util.Map;
 import java.util.Set;\r
 import java.util.UUID;\r
 \r
+import javax.persistence.EntityNotFoundException;\r
+\r
 import org.apache.log4j.Logger;\r
 import org.apache.lucene.index.CorruptIndexException;\r
 import org.apache.lucene.queryParser.ParseException;\r
@@ -35,11 +37,14 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;\r
 import org.springframework.transaction.annotation.Transactional;\r
 \r
+import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;\r
 import eu.etaxonomy.cdm.api.service.config.IFindTaxaAndNamesConfigurator;\r
+import eu.etaxonomy.cdm.api.service.config.IncludedTaxonConfiguration;\r
 import eu.etaxonomy.cdm.api.service.config.MatchingTaxonConfigurator;\r
 import eu.etaxonomy.cdm.api.service.config.SynonymDeletionConfigurator;\r
 import eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator;\r
 import eu.etaxonomy.cdm.api.service.config.TaxonNodeDeletionConfigurator.ChildHandling;\r
+import eu.etaxonomy.cdm.api.service.dto.IncludedTaxaDTO;\r
 import eu.etaxonomy.cdm.api.service.exception.DataChangeNoRollbackException;\r
 import eu.etaxonomy.cdm.api.service.exception.HomotypicalGroupChangeException;\r
 import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException;\r
@@ -91,13 +96,16 @@ import eu.etaxonomy.cdm.model.molecular.DnaSample;
 import eu.etaxonomy.cdm.model.molecular.Sequence;\r
 import eu.etaxonomy.cdm.model.molecular.SingleRead;\r
 import eu.etaxonomy.cdm.model.name.HomotypicalGroup;\r
+import eu.etaxonomy.cdm.model.name.NameRelationship;\r
 import eu.etaxonomy.cdm.model.name.Rank;\r
 import eu.etaxonomy.cdm.model.name.TaxonNameBase;\r
 import eu.etaxonomy.cdm.model.name.ZoologicalName;\r
 import eu.etaxonomy.cdm.model.occurrence.DerivedUnit;\r
+import eu.etaxonomy.cdm.model.occurrence.DeterminationEvent;\r
 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;\r
 import eu.etaxonomy.cdm.model.reference.Reference;\r
 import eu.etaxonomy.cdm.model.taxon.Classification;\r
+import eu.etaxonomy.cdm.model.taxon.ITaxonTreeNode;\r
 import eu.etaxonomy.cdm.model.taxon.Synonym;\r
 import eu.etaxonomy.cdm.model.taxon.SynonymRelationship;\r
 import eu.etaxonomy.cdm.model.taxon.SynonymRelationshipType;\r
@@ -111,6 +119,7 @@ import eu.etaxonomy.cdm.persistence.dao.common.IOrderedTermVocabularyDao;
 import eu.etaxonomy.cdm.persistence.dao.initializer.AbstractBeanInitializer;\r
 import eu.etaxonomy.cdm.persistence.dao.name.ITaxonNameDao;\r
 import eu.etaxonomy.cdm.persistence.dao.occurrence.IOccurrenceDao;\r
+import eu.etaxonomy.cdm.persistence.dao.taxon.IClassificationDao;\r
 import eu.etaxonomy.cdm.persistence.dao.taxon.ITaxonDao;\r
 import eu.etaxonomy.cdm.persistence.fetch.CdmFetch;\r
 import eu.etaxonomy.cdm.persistence.query.MatchMode;\r
@@ -142,6 +151,9 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
     @Autowired\r
     private INameService nameService;\r
 \r
+    @Autowired\r
+    private ITaxonNodeService nodeService;\r
+\r
     @Autowired\r
     private ICdmGenericDao genericDao;\r
 \r
@@ -154,6 +166,9 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
     @Autowired\r
     private IOccurrenceDao occurrenceDao;\r
 \r
+    @Autowired\r
+    private IClassificationDao classificationDao;\r
+\r
     @Autowired\r
     private AbstractBeanInitializer beanInitializer;\r
 \r
@@ -176,28 +191,6 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return dao.getTaxaByName(name, sec);\r
     }\r
 \r
-    /**\r
-     * FIXME Candidate for harmonization\r
-     * list(Synonym.class, ...)\r
-     *  (non-Javadoc)\r
-     * @see eu.etaxonomy.cdm.api.service.ITaxonService#getAllSynonyms(int, int)\r
-     */\r
-    @Override\r
-    public List<Synonym> getAllSynonyms(int limit, int start) {\r
-        return dao.getAllSynonyms(limit, start);\r
-    }\r
-\r
-    /**\r
-     * FIXME Candidate for harmonization\r
-     * list(Taxon.class, ...)\r
-     *  (non-Javadoc)\r
-     * @see eu.etaxonomy.cdm.api.service.ITaxonService#getAllTaxa(int, int)\r
-     */\r
-    @Override\r
-    public List<Taxon> getAllTaxa(int limit, int start) {\r
-        return dao.getAllTaxa(limit, start);\r
-    }\r
-\r
     /**\r
      * FIXME Candidate for harmonization\r
      * merge with getRootTaxa(Reference sec, ..., ...)\r
@@ -212,18 +205,11 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return dao.getRootTaxa(sec, cdmFetch, onlyWithChildren, false);\r
     }\r
 \r
-\r
-    /* (non-Javadoc)\r
-     * @see eu.etaxonomy.cdm.api.service.ITaxonService#getRootTaxa(eu.etaxonomy.cdm.model.name.Rank, eu.etaxonomy.cdm.model.reference.Reference, boolean, boolean)\r
-     */\r
     @Override\r
     public List<Taxon> getRootTaxa(Rank rank, Reference sec, boolean onlyWithChildren,boolean withMisapplications, List<String> propertyPaths) {\r
         return dao.getRootTaxa(rank, sec, null, onlyWithChildren, withMisapplications, propertyPaths);\r
     }\r
 \r
-    /* (non-Javadoc)\r
-     * @see eu.etaxonomy.cdm.api.service.ITaxonService#getAllRelationships(int, int)\r
-     */\r
     @Override\r
     public List<RelationshipBase> getAllRelationships(int limit, int start){\r
         return dao.getAllRelationships(limit, start);\r
@@ -271,11 +257,11 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
     /* (non-Javadoc)\r
      * @see eu.etaxonomy.cdm.api.service.ITaxonService#changeSynonymToAcceptedTaxon(eu.etaxonomy.cdm.model.taxon.Synonym, eu.etaxonomy.cdm.model.taxon.Taxon)\r
      */\r
-    \r
+\r
     @Override\r
     @Transactional(readOnly = false)\r
     public Taxon changeSynonymToAcceptedTaxon(Synonym synonym, Taxon acceptedTaxon, boolean deleteSynonym, boolean copyCitationInfo, Reference citation, String microCitation) throws HomotypicalGroupChangeException{\r
-       \r
+\r
         TaxonNameBase<?,?> acceptedName = acceptedTaxon.getName();\r
         TaxonNameBase<?,?> synonymName = synonym.getName();\r
         HomotypicalGroup synonymHomotypicGroup = synonymName.getHomotypicalGroup();\r
@@ -290,10 +276,12 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
 \r
         SynonymRelationshipType relTypeForGroup = SynonymRelationshipType.HOMOTYPIC_SYNONYM_OF();\r
         List<Synonym> heteroSynonyms = acceptedTaxon.getSynonymsInGroup(synonymHomotypicGroup);\r
+        Set<NameRelationship> basionymsAndReplacedSynonyms = synonymHomotypicGroup.getBasionymAndReplacedSynonymRelations();\r
 \r
         for (Synonym heteroSynonym : heteroSynonyms){\r
             if (synonym.equals(heteroSynonym)){\r
                 acceptedTaxon.removeSynonym(heteroSynonym, false);\r
+\r
             }else{\r
                 //move synonyms in same homotypic group to new accepted taxon\r
                 heteroSynonym.replaceAcceptedTaxon(newAcceptedTaxon, relTypeForGroup, copyCitationInfo, citation, microCitation);\r
@@ -301,12 +289,14 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         }\r
 \r
         //synonym.getName().removeTaxonBase(synonym);\r
-       \r
+\r
         if (deleteSynonym){\r
 //                     deleteSynonym(synonym, taxon, false);\r
             try {\r
                 this.dao.flush();\r
-                this.deleteSynonym(synonym, acceptedTaxon, new SynonymDeletionConfigurator());\r
+                SynonymDeletionConfigurator config = new SynonymDeletionConfigurator();\r
+                config.setDeleteNameIfPossible(false);\r
+                this.deleteSynonym(synonym, acceptedTaxon, config);\r
 \r
             } catch (Exception e) {\r
                 logger.info("Can't delete old synonym from database");\r
@@ -323,9 +313,9 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         // Get name from synonym\r
         TaxonNameBase<?, ?> synonymName = synonym.getName();\r
 \r
-        // remove synonym from taxon\r
+      /*  // remove synonym from taxon\r
         toTaxon.removeSynonym(synonym);\r
-\r
+*/\r
         // Create a taxon with synonym name\r
         Taxon fromTaxon = Taxon.NewInstance(synonymName, null);\r
 \r
@@ -334,7 +324,8 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
 \r
         // since we are swapping names, we have to detach the name from the synonym completely.\r
         // Otherwise the synonym will still be in the list of typified names.\r
-        synonym.getName().removeTaxonBase(synonym);\r
+       // synonym.getName().removeTaxonBase(synonym);\r
+        this.deleteSynonym(synonym, null);\r
 \r
         return fromTaxon;\r
     }\r
@@ -508,6 +499,50 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return new DefaultPagerImpl<TaxonRelationship>(pageNumber, numberOfResults, pageSize, results);\r
     }\r
 \r
+    @Override\r
+    public List<Taxon> listAcceptedTaxaFor(UUID synonymUuid, UUID classificationUuid, Integer pageSize, Integer pageNumber,\r
+            List<OrderHint> orderHints, List<String> propertyPaths){\r
+        return pageAcceptedTaxaFor(synonymUuid, classificationUuid, pageSize, pageNumber, orderHints, propertyPaths).getRecords();\r
+    }\r
+\r
+    @Override\r
+    public Pager<Taxon> pageAcceptedTaxaFor(UUID synonymUuid, UUID classificationUuid, Integer pageSize, Integer pageNumber,\r
+            List<OrderHint> orderHints, List<String> propertyPaths){\r
+\r
+        List<Taxon> list = new ArrayList<Taxon>();\r
+        Long count = 0l;\r
+\r
+        Synonym synonym = null;\r
+\r
+        try {\r
+            synonym = (Synonym) dao.load(synonymUuid);\r
+        } catch (ClassCastException e){\r
+            throw new EntityNotFoundException("The TaxonBase entity referenced by " + synonymUuid + " is not a Synonmy");\r
+        } catch (NullPointerException e){\r
+            throw new EntityNotFoundException("No TaxonBase entity found for " + synonymUuid);\r
+        }\r
+\r
+        Classification classificationFilter = null;\r
+        if(classificationUuid != null){\r
+            try {\r
+            classificationFilter = classificationDao.load(classificationUuid);\r
+            } catch (NullPointerException e){\r
+                throw new EntityNotFoundException("No Classification entity found for " + classificationUuid);\r
+            }\r
+            if(classificationFilter == null){\r
+\r
+            }\r
+        }\r
+\r
+        count = dao.countAcceptedTaxaFor(synonym, classificationFilter) ;\r
+        if(count > (pageSize * pageNumber)){\r
+            list = dao.listAcceptedTaxaFor(synonym, classificationFilter, pageSize, pageNumber, orderHints, propertyPaths);\r
+        }\r
+\r
+        return new DefaultPagerImpl<Taxon>(pageNumber, count.intValue(), pageSize, list);\r
+    }\r
+\r
+\r
     /**\r
      * @param taxon\r
      * @param includeRelationships\r
@@ -544,6 +579,10 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             taxa.add(taxon);\r
         }\r
 \r
+        if(includeRelationships.isEmpty()){\r
+            return taxa;\r
+        }\r
+\r
         if(maxDepth != null) {\r
             maxDepth--;\r
         }\r
@@ -614,6 +653,27 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return new DefaultPagerImpl<SynonymRelationship>(pageNumber, numberOfResults, pageSize, results);\r
     }\r
 \r
+    /* (non-Javadoc)\r
+     * @see eu.etaxonomy.cdm.api.service.ITaxonService#getHomotypicSynonymsByHomotypicGroup(eu.etaxonomy.cdm.model.taxon.Taxon, java.util.List)\r
+     */\r
+    @Override\r
+    public List<List<Synonym>> getSynonymsByHomotypicGroup(Taxon taxon, List<String> propertyPaths){\r
+         List<List<Synonym>> result = new ArrayList<List<Synonym>>();\r
+        Taxon t = (Taxon)dao.load(taxon.getUuid(), propertyPaths);\r
+\r
+        //homotypic\r
+        result.add(t.getHomotypicSynonymsByHomotypicGroup());\r
+\r
+        //heterotypic\r
+        List<HomotypicalGroup> homotypicalGroups = t.getHeterotypicSynonymyGroups();\r
+        for(HomotypicalGroup homotypicalGroup : homotypicalGroups){\r
+            result.add(t.getSynonymsInGroup(homotypicalGroup));\r
+        }\r
+\r
+        return result;\r
+\r
+    }\r
+\r
     /* (non-Javadoc)\r
      * @see eu.etaxonomy.cdm.api.service.ITaxonService#getHomotypicSynonymsByHomotypicGroup(eu.etaxonomy.cdm.model.taxon.Taxon, java.util.List)\r
      */\r
@@ -732,10 +792,8 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
                 numberTaxaResults = dao.countTaxaByCommonName(configurator.getTitleSearchStringSqlized(), configurator.getClassification(), configurator.getMatchMode(), configurator.getNamedAreas());\r
             }\r
             if(configurator.getPageSize() == null || numberTaxaResults > configurator.getPageSize() * configurator.getPageNumber()){\r
-                List<Object[]> commonNameResults = dao.getTaxaByCommonName(configurator.getTitleSearchStringSqlized(), configurator.getClassification(), configurator.getMatchMode(), configurator.getNamedAreas(), configurator.getPageSize(), configurator.getPageNumber(), configurator.getTaxonPropertyPath());\r
-                for( Object[] entry : commonNameResults ) {\r
-                    taxa.add((TaxonBase) entry[0]);\r
-                }\r
+                List<Taxon> commonNameResults = dao.getTaxaByCommonName(configurator.getTitleSearchStringSqlized(), configurator.getClassification(), configurator.getMatchMode(), configurator.getNamedAreas(), configurator.getPageSize(), configurator.getPageNumber(), configurator.getTaxonPropertyPath());\r
+                taxa.addAll(commonNameResults);\r
             }\r
             if(taxa != null){\r
                 results.addAll(taxa);\r
@@ -791,21 +849,26 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             Boolean limitToGalleries, Boolean includeTaxonDescriptions, Boolean includeOccurrences,\r
             Boolean includeTaxonNameDescriptions, List<String> propertyPath) {\r
 \r
+        logger.trace("listMedia() - START");\r
+\r
         Set<Taxon> taxa = new HashSet<Taxon>();\r
         List<Media> taxonMedia = new ArrayList<Media>();\r
+        List<Media> nonImageGalleryImages = new ArrayList<Media>();\r
 \r
         if (limitToGalleries == null) {\r
             limitToGalleries = false;\r
         }\r
 \r
         // --- resolve related taxa\r
-        if (includeRelationships != null) {\r
+        if (includeRelationships != null && ! includeRelationships.isEmpty()) {\r
+            logger.trace("listMedia() - resolve related taxa");\r
             taxa = listRelatedTaxa(taxon, includeRelationships, null, null, null, null);\r
         }\r
 \r
         taxa.add((Taxon) dao.load(taxon.getUuid()));\r
 \r
         if(includeTaxonDescriptions != null && includeTaxonDescriptions){\r
+            logger.trace("listMedia() - includeTaxonDescriptions");\r
             List<TaxonDescription> taxonDescriptions = new ArrayList<TaxonDescription>();\r
             // --- TaxonDescriptions\r
             for (Taxon t : taxa) {\r
@@ -815,14 +878,23 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
                 if (!limitToGalleries || taxonDescription.isImageGallery()) {\r
                     for (DescriptionElementBase element : taxonDescription.getElements()) {\r
                         for (Media media : element.getMedia()) {\r
-                            taxonMedia.add(media);\r
+                            if(taxonDescription.isImageGallery()){\r
+                                taxonMedia.add(media);\r
+                            }\r
+                            else{\r
+                                nonImageGalleryImages.add(media);\r
+                            }\r
                         }\r
                     }\r
                 }\r
             }\r
+            //put images from image gallery first (#3242)\r
+            taxonMedia.addAll(nonImageGalleryImages);\r
         }\r
 \r
+\r
         if(includeOccurrences != null && includeOccurrences) {\r
+            logger.trace("listMedia() - includeOccurrences");\r
             Set<SpecimenOrObservationBase> specimensOrObservations = new HashSet<SpecimenOrObservationBase>();\r
             // --- Specimens\r
             for (Taxon t : taxa) {\r
@@ -876,6 +948,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         }\r
 \r
         if(includeTaxonNameDescriptions != null && includeTaxonNameDescriptions) {\r
+            logger.trace("listMedia() - includeTaxonNameDescriptions");\r
             // --- TaxonNameDescription\r
             Set<TaxonNameDescription> nameDescriptions = new HashSet<TaxonNameDescription>();\r
             for (Taxon t : taxa) {\r
@@ -893,7 +966,12 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             }\r
         }\r
 \r
+\r
+        logger.trace("listMedia() - initialize");\r
         beanInitializer.initializeAll(taxonMedia, propertyPath);\r
+\r
+        logger.trace("listMedia() - END");\r
+\r
         return taxonMedia;\r
     }\r
 \r
@@ -937,157 +1015,213 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
      * @see eu.etaxonomy.cdm.api.service.ITaxonService#deleteTaxon(eu.etaxonomy.cdm.model.taxon.Taxon, eu.etaxonomy.cdm.api.service.config.TaxonDeletionConfigurator)\r
      */\r
     @Override\r
-    public void deleteTaxon(Taxon taxon, TaxonDeletionConfigurator config, Classification classification) throws DataChangeNoRollbackException {\r
-        if (config == null){\r
+    public DeleteResult deleteTaxon(Taxon taxon, TaxonDeletionConfigurator config, Classification classification)  {\r
+       DeleteResult result = new DeleteResult();\r
+       if (config == null){\r
             config = new TaxonDeletionConfigurator();\r
         }\r
 \r
-            //         TaxonNode\r
-            if (! config.isDeleteTaxonNodes() || (!config.isDeleteInAllClassifications() && classification == null )){\r
-                if (taxon.getTaxonNodes().size() > 0){\r
-                    String message = "Taxon can't be deleted as it is used in a classification node. Remove taxon from all classifications prior to deletion or define a classification where it should be deleted or adapt the taxon deletion configurator.";\r
-                    throw new ReferencedObjectUndeletableException(message);\r
-                }\r
-            }else{\r
-               if (taxon.getTaxonNodes().size() != 0){\r
-                       Set<TaxonNode> nodes = taxon.getTaxonNodes();\r
-                       Iterator<TaxonNode> iterator = nodes.iterator();\r
-                       TaxonNode node = null;\r
-                       boolean deleteChildren;\r
-                               if (config.getTaxonNodeConfig().getChildHandling().equals(ChildHandling.DELETE)){\r
-                                       deleteChildren = true;\r
-                               }else {\r
-                                       deleteChildren = false;\r
-                               }\r
-                               boolean success = true;\r
-                       if (!config.isDeleteInAllClassifications() && !(classification == null)){\r
-                               while (iterator.hasNext()){\r
-                                       node = iterator.next();\r
-                                       if (node.getClassification().equals(classification)){\r
-                                               break;\r
-                                       }\r
-                                       node = null;\r
-                               }\r
-                               if (node != null){\r
-                                       success =taxon.removeTaxonNode(node, deleteChildren);\r
-                               } else {\r
-                                       String message = "Taxon is not used in defined classification";\r
-                                       throw new DataChangeNoRollbackException(message);\r
-                               }\r
-                       } else if (config.isDeleteInAllClassifications()){\r
-                               success = taxon.removeTaxonNodes(deleteChildren);\r
-                       }\r
-                       if (!success){\r
-                               String message = "The taxon node could not be deleted.";\r
-                               throw new DataChangeNoRollbackException(message);\r
-                       }\r
-               }\r
-            }\r
-\r
+        List<String> referencedObjects = isDeletable(taxon, config);\r
 \r
-            //         SynonymRelationShip\r
+        if (referencedObjects.isEmpty()){\r
+            // --- DeleteSynonymRelations\r
             if (config.isDeleteSynonymRelations()){\r
                 boolean removeSynonymNameFromHomotypicalGroup = false;\r
-                for (SynonymRelationship synRel : taxon.getSynonymRelations()){\r
+                // use tmp Set to avoid concurrent modification\r
+                Set<SynonymRelationship> synRelsToDelete = new HashSet<SynonymRelationship>();\r
+                synRelsToDelete.addAll(taxon.getSynonymRelations());\r
+                for (SynonymRelationship synRel : synRelsToDelete){\r
                     Synonym synonym = synRel.getSynonym();\r
+                    // taxon.removeSynonymRelation will set the accepted taxon and the synonym to NULL\r
+                    // this will cause hibernate to delete the relationship since\r
+                    // the SynonymRelationship field on both is annotated with removeOrphan\r
+                    // so no further explicit deleting of the relationship should be done here\r
                     taxon.removeSynonymRelation(synRel, removeSynonymNameFromHomotypicalGroup);\r
+\r
+                    // --- DeleteSynonymsIfPossible\r
                     if (config.isDeleteSynonymsIfPossible()){\r
                         //TODO which value\r
                         boolean newHomotypicGroupIfNeeded = true;\r
                         SynonymDeletionConfigurator synConfig = new SynonymDeletionConfigurator();\r
-                        \r
                         deleteSynonym(synonym, taxon, synConfig);\r
-                    }else{\r
-                        deleteSynonymRelationships(synonym, taxon);\r
                     }\r
+                    // relationship will be deleted by hibernate automatically,\r
+                    // see comment above and http://dev.e-taxonomy.eu/trac/ticket/3797\r
+                    // else{\r
+                    //     deleteSynonymRelationships(synonym, taxon);\r
+                    // }\r
                 }\r
             }\r
 \r
-            //         TaxonRelationship\r
+            // --- DeleteTaxonRelationships\r
             if (! config.isDeleteTaxonRelationships()){\r
                 if (taxon.getTaxonRelations().size() > 0){\r
-                    String message = "Taxon can't be deleted as it is related to another taxon. Remove taxon from all relations to other taxa prior to deletion.";\r
-                    throw new ReferencedObjectUndeletableException(message);\r
+                    String message = "Taxon can't be deleted as it is related to another taxon. " +\r
+                            "Remove taxon from all relations to other taxa prior to deletion.";\r
+                   // throw new ReferencedObjectUndeletableException(message);\r
                 }\r
             } else{\r
-               for (TaxonRelationship taxRel: taxon.getTaxonRelations()){\r
-                           \r
-                               \r
-                               \r
-                               if (config.isDeleteMisappliedNamesAndInvalidDesignations()){\r
-                                       if (taxRel.getType().equals(TaxonRelationshipType.MISAPPLIED_NAME_FOR()) || taxRel.getType().equals(TaxonRelationshipType.INVALID_DESIGNATION_FOR())){\r
-                                               if (taxon.equals(taxRel.getToTaxon())){\r
-                                                       this.deleteTaxon(taxRel.getFromTaxon(), config, classification);\r
-                                               }\r
-                                       }\r
-                               }\r
-                               taxon.removeTaxonRelation(taxRel);\r
-                       /*if (taxFrom.equals(taxon)){\r
-                               try{\r
-                                       this.deleteTaxon(taxTo, taxConf, classification);\r
-                               } catch(DataChangeNoRollbackException e){\r
-                                       logger.debug("A related taxon will not be deleted." + e.getMessage());\r
-                               }\r
-                       } else {\r
-                               try{\r
-                                       this.deleteTaxon(taxFrom, taxConf, classification);\r
-                               } catch(DataChangeNoRollbackException e){\r
-                                       logger.debug("A related taxon will not be deleted." + e.getMessage());\r
-                               }\r
-                               \r
-                       }*/\r
-               }\r
-            }\r
+                for (TaxonRelationship taxRel: taxon.getTaxonRelations()){\r
+                    if (config.isDeleteMisappliedNamesAndInvalidDesignations()){\r
+                        if (taxRel.getType().equals(TaxonRelationshipType.MISAPPLIED_NAME_FOR()) || taxRel.getType().equals(TaxonRelationshipType.INVALID_DESIGNATION_FOR())){\r
+                            if (taxon.equals(taxRel.getToTaxon())){\r
+                                this.deleteTaxon(taxRel.getFromTaxon(), config, classification);\r
+                            }\r
+                        }\r
+                    }\r
+                    taxon.removeTaxonRelation(taxRel);\r
+                    /*if (taxFrom.equals(taxon)){\r
+                        try{\r
+                            this.deleteTaxon(taxTo, taxConf, classification);\r
+                        } catch(DataChangeNoRollbackException e){\r
+                            logger.debug("A related taxon will not be deleted." + e.getMessage());\r
+                        }\r
+                    } else {\r
+                        try{\r
+                            this.deleteTaxon(taxFrom, taxConf, classification);\r
+                        } catch(DataChangeNoRollbackException e){\r
+                            logger.debug("A related taxon will not be deleted." + e.getMessage());\r
+                        }\r
 \r
+                    }*/\r
+                }\r
+            }\r
 \r
-            \r
-                   \r
             //         TaxonDescription\r
-                    Set<TaxonDescription> descriptions = taxon.getDescriptions();\r
-\r
-                    for (TaxonDescription desc: descriptions){\r
-                        if (config.isDeleteDescriptions()){\r
-                            //TODO use description delete configurator ?\r
-                            //FIXME check if description is ALWAYS deletable\r
-                               taxon.removeDescription(desc);\r
-                            descriptionService.delete(desc);\r
-                        }else{\r
-                            if (desc.getDescribedSpecimenOrObservation() != null){\r
-                                String message = "Taxon can't be deleted as it is used in a TaxonDescription" +\r
-                                        " which also describes specimens or abservations";\r
-                                    throw new ReferencedObjectUndeletableException(message);\r
+            if (config.isDeleteDescriptions()){\r
+                Set<TaxonDescription> descriptions = taxon.getDescriptions();\r
+                List<TaxonDescription> removeDescriptions = new ArrayList<TaxonDescription>();\r
+                for (TaxonDescription desc: descriptions){\r
+                    //TODO use description delete configurator ?\r
+                    //FIXME check if description is ALWAYS deletable\r
+                    if (desc.getDescribedSpecimenOrObservation() != null){\r
+                        String message = "Taxon can't be deleted as it is used in a TaxonDescription" +\r
+                                " which also describes specimens or abservations";\r
+                        //throw new ReferencedObjectUndeletableException(message);\r
+                    }\r
+                    removeDescriptions.add(desc);\r
+                    descriptionService.delete(desc);\r
+\r
+                }\r
+                for (TaxonDescription desc: removeDescriptions){\r
+                    taxon.removeDescription(desc);\r
+                }\r
+            }\r
+\r
+\r
+         /*   //check references with only reverse mapping\r
+        String message = checkForReferences(taxon);\r
+        if (message != null){\r
+            //throw new ReferencedObjectUndeletableException(message.toString());\r
+        }*/\r
+\r
+         if (! config.isDeleteTaxonNodes() || (!config.isDeleteInAllClassifications() && classification == null )){\r
+                //if (taxon.getTaxonNodes().size() > 0){\r
+                   // message = "Taxon can't be deleted as it is used in a classification node. Remove taxon from all classifications prior to deletion or define a classification where it should be deleted or adapt the taxon deletion configurator.";\r
+                   // throw new ReferencedObjectUndeletableException(message);\r
+                //}\r
+            }else{\r
+                if (taxon.getTaxonNodes().size() != 0){\r
+                    Set<TaxonNode> nodes = taxon.getTaxonNodes();\r
+                    Iterator<TaxonNode> iterator = nodes.iterator();\r
+                    TaxonNode node = null;\r
+                    boolean deleteChildren;\r
+                    if (config.getTaxonNodeConfig().getChildHandling().equals(ChildHandling.DELETE)){\r
+                        deleteChildren = true;\r
+                    }else {\r
+                        deleteChildren = false;\r
+                    }\r
+                    boolean success = true;\r
+                    if (!config.isDeleteInAllClassifications() && !(classification == null)){\r
+                        while (iterator.hasNext()){\r
+                            node = iterator.next();\r
+                            if (node.getClassification().equals(classification)){\r
+                                break;\r
+                            }\r
+                            node = null;\r
+                        }\r
+                        if (node != null){\r
+                            success =taxon.removeTaxonNode(node, deleteChildren);\r
+                            nodeService.delete(node);\r
+                        } else {\r
+                               result.setError();\r
+                               result.addException(new Exception("The taxon can not be deleted because it is not used in defined classification."));\r
+                        }\r
+                    } else if (config.isDeleteInAllClassifications()){\r
+                        Set<ITaxonTreeNode> nodesList = new HashSet<ITaxonTreeNode>();\r
+                        nodesList.addAll(taxon.getTaxonNodes());\r
+\r
+                            for (ITaxonTreeNode treeNode: nodesList){\r
+                                TaxonNode taxonNode = (TaxonNode) treeNode;\r
+                                if(!deleteChildren){\r
+                                   /* Object[] childNodes = taxonNode.getChildNodes().toArray();\r
+                                    //nodesList.addAll(taxonNode.getChildNodes());\r
+                                    for (Object childNode: childNodes){\r
+                                        TaxonNode childNodeCast = (TaxonNode) childNode;\r
+                                        deleteTaxon(childNodeCast.getTaxon(), config, classification);\r
+\r
+                                    }\r
+\r
+                                    /*for (TaxonNode childNode: taxonNode.getChildNodes()){\r
+                                        deleteTaxon(childNode.getTaxon(), config, classification);\r
+\r
+                                    }\r
+                                   // taxon.removeTaxonNode(taxonNode);\r
+                                    //nodeService.delete(taxonNode);\r
+                                } else{\r
+                                    */\r
+                                    Object[] childNodes = taxonNode.getChildNodes().toArray();\r
+                                    for (Object childNode: childNodes){\r
+                                        TaxonNode childNodeCast = (TaxonNode) childNode;\r
+                                        taxonNode.getParent().addChildNode(childNodeCast, childNodeCast.getReference(), childNodeCast.getMicroReference());\r
+                                    }\r
+\r
+                                    //taxon.removeTaxonNode(taxonNode);\r
                                 }\r
                             }\r
+                        config.getTaxonNodeConfig().setDeleteTaxon(false);\r
+                        DeleteResult resultNodes = nodeService.deleteTaxonNodes(nodesList, config);\r
+                        if (!resultNodes.isOk()){\r
+                               result.addExceptions(resultNodes.getExceptions());\r
+                               result.setStatus(resultNodes.getStatus());\r
                         }\r
+                    }\r
+                    if (!success){\r
+                        result.setError();\r
+                        result.addException(new Exception("The taxon can not be deleted because the taxon node can not be removed."));\r
+                    }\r
+                }\r
+            }\r
 \r
 \r
-                //check references with only reverse mapping\r
-            String message = checkForReferences(taxon);\r
-                       if (message != null){\r
-                               throw new ReferencedObjectUndeletableException(message.toString());\r
-                       }\r
+             //PolytomousKey TODO\r
 \r
 \r
             //TaxonNameBase\r
             if (config.isDeleteNameIfPossible()){\r
-                try {\r
-                       \r
-                       //TaxonNameBase name = nameService.find(taxon.getName().getUuid());\r
-                       TaxonNameBase name = (TaxonNameBase)HibernateProxyHelper.deproxy(taxon.getName());\r
-                       //check whether taxon will be deleted or not\r
-                       if (taxon.getTaxonNodes() == null || taxon.getTaxonNodes().size()== 0){\r
-                               taxon = (Taxon) HibernateProxyHelper.deproxy(taxon);\r
-                               name.removeTaxonBase(taxon);\r
-                           nameService.save(name);\r
-                               nameService.delete(name, config.getNameDeletionConfig());\r
-                       }\r
-                } catch (ReferencedObjectUndeletableException e) {\r
-                    //do nothing\r
-                    if (logger.isDebugEnabled()){logger.debug("Name could not be deleted");}\r
-                    \r
-                }\r
+\r
+\r
+                    //TaxonNameBase name = nameService.find(taxon.getName().getUuid());\r
+                    TaxonNameBase name = (TaxonNameBase)HibernateProxyHelper.deproxy(taxon.getName());\r
+                    //check whether taxon will be deleted or not\r
+                    if ((taxon.getTaxonNodes() == null || taxon.getTaxonNodes().size()== 0) && name != null ){\r
+                        taxon = (Taxon) HibernateProxyHelper.deproxy(taxon);\r
+                        name.removeTaxonBase(taxon);\r
+                        nameService.saveOrUpdate(name);\r
+                        DeleteResult nameResult = new DeleteResult();\r
+\r
+                        nameResult = nameService.delete(name, config.getNameDeletionConfig());\r
+\r
+                        if (nameResult.isError()){\r
+                               //result.setError();\r
+                               result.addRelatedObject(name);\r
+                               result.addExceptions(nameResult.getExceptions());\r
+                        }\r
+\r
+                    }\r
+\r
             }\r
-            \r
+\r
 //             TaxonDescription\r
            /* Set<TaxonDescription> descriptions = taxon.getDescriptions();\r
 \r
@@ -1095,7 +1229,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
                 if (config.isDeleteDescriptions()){\r
                     //TODO use description delete configurator ?\r
                     //FIXME check if description is ALWAYS deletable\r
-                       taxon.removeDescription(desc);\r
+                    taxon.removeDescription(desc);\r
                     descriptionService.delete(desc);\r
                 }else{\r
                     if (desc.getDescribedSpecimenOrObservations().size()>0){\r
@@ -1105,109 +1239,168 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
     }\r
                     }\r
                 }*/\r
-            if (taxon.getTaxonNodes() == null || taxon.getTaxonNodes().size()== 0){\r
-               dao.delete(taxon);\r
-            } else{\r
-               message = "Taxon can't be deleted as it is used in another Taxonnode";\r
-               throw new ReferencedObjectUndeletableException(message);\r
+\r
+            if ((taxon.getTaxonNodes() == null || taxon.getTaxonNodes().size()== 0)  ){\r
+               try{\r
+                       UUID uuid = dao.delete(taxon);\r
+\r
+               }catch(Exception e){\r
+                       result.addException(e);\r
+                       result.setError();\r
+\r
+               }\r
+            } else {\r
+               result.setError();\r
+               result.addException(new Exception("The Taxon can't be deleted."));\r
+\r
             }\r
-            \r
+        }else {\r
+               List<Exception> exceptions = new ArrayList<Exception>();\r
+               for (String message: referencedObjects){\r
+                       ReferencedObjectUndeletableException exception = new ReferencedObjectUndeletableException(message);\r
+                       exceptions.add(exception);\r
+               }\r
+               result.addExceptions(exceptions);\r
+               result.setError();\r
+\r
+        }\r
+        return result;\r
 \r
     }\r
-    \r
+\r
     private String checkForReferences(Taxon taxon){\r
-       Set<CdmBase> referencingObjects = genericDao.getReferencingObjects(taxon);\r
+        Set<CdmBase> referencingObjects = genericDao.getReferencingObjects(taxon);\r
         for (CdmBase referencingObject : referencingObjects){\r
             //IIdentificationKeys (Media, Polytomous, MultiAccess)\r
             if (HibernateProxyHelper.isInstanceOf(referencingObject, IIdentificationKey.class)){\r
                 String message = "Taxon" + taxon.getTitleCache() + "can't be deleted as it is used in an identification key. Remove from identification key prior to deleting this name";\r
-              \r
+\r
                 return message;\r
             }\r
 \r
 \r
-            //PolytomousKeyNode\r
+           /* //PolytomousKeyNode\r
             if (referencingObject.isInstanceOf(PolytomousKeyNode.class)){\r
                 String message = "Taxon" + taxon.getTitleCache() + " can't be deleted as it is used in polytomous key node";\r
                 return message;\r
-            }\r
+            }*/\r
 \r
             //TaxonInteraction\r
             if (referencingObject.isInstanceOf(TaxonInteraction.class)){\r
                 String message = "Taxon can't be deleted as it is used in taxonInteraction#taxon2";\r
                 return message;\r
             }\r
+\r
+          //TaxonInteraction\r
+            if (referencingObject.isInstanceOf(DeterminationEvent.class)){\r
+                String message = "Taxon can't be deleted as it is used in a determination event";\r
+                return message;\r
+            }\r
+\r
         }\r
+\r
+        referencingObjects = null;\r
         return null;\r
     }\r
-    \r
+\r
+    private boolean checkForPolytomousKeys(Taxon taxon){\r
+        boolean result = false;\r
+        List<CdmBase> list = genericDao.getCdmBasesByFieldAndClass(PolytomousKeyNode.class, "taxon", taxon);\r
+        if (!list.isEmpty()) {\r
+            result = true;\r
+        }\r
+        return result;\r
+    }\r
+\r
     @Transactional(readOnly = false)\r
     public UUID delete(Synonym syn){\r
-       UUID result = syn.getUuid();\r
-       this.deleteSynonym(syn, null);\r
-       return result;\r
+        UUID result = syn.getUuid();\r
+        this.deleteSynonym(syn, null);\r
+        return result;\r
     }\r
-    \r
+\r
+\r
+\r
     /* (non-Javadoc)\r
      * @see eu.etaxonomy.cdm.api.service.ITaxonService#deleteSynonym(eu.etaxonomy.cdm.model.taxon.Synonym, eu.etaxonomy.cdm.model.taxon.Taxon, boolean, boolean)\r
      */\r
     @Transactional(readOnly = false)\r
     @Override\r
-       public void deleteSynonym(Synonym synonym, SynonymDeletionConfigurator config) {\r
-       deleteSynonym(synonym, null, config);\r
-               \r
-       }\r
-    \r
+    public DeleteResult deleteSynonym(Synonym synonym, SynonymDeletionConfigurator config) {\r
+        return deleteSynonym(synonym, null, config);\r
+\r
+    }\r
 \r
-       /* (non-Javadoc)\r
+\r
+    /* (non-Javadoc)\r
      * @see eu.etaxonomy.cdm.api.service.ITaxonService#deleteSynonym(eu.etaxonomy.cdm.model.taxon.Synonym, eu.etaxonomy.cdm.model.taxon.Taxon, boolean, boolean)\r
      */\r
     @Transactional(readOnly = false)\r
     @Override\r
-    public void deleteSynonym(Synonym synonym, Taxon taxon, SynonymDeletionConfigurator config) {\r
-        if (synonym == null){\r
-            return;\r
+    public DeleteResult deleteSynonym(Synonym synonym, Taxon taxon, SynonymDeletionConfigurator config) {\r
+        DeleteResult result = new DeleteResult();\r
+       if (synonym == null){\r
+               result.setAbort();\r
+               return result;\r
         }\r
+\r
         if (config == null){\r
-               config = new SynonymDeletionConfigurator();\r
+            config = new SynonymDeletionConfigurator();\r
         }\r
-        synonym = CdmBase.deproxy(dao.merge(synonym), Synonym.class);\r
+        List<String> messages = isDeletable(synonym, config);\r
+\r
+\r
+        if (messages.isEmpty()){\r
+            synonym = CdmBase.deproxy(dao.merge(synonym), Synonym.class);\r
+\r
+            //remove synonymRelationship\r
+            Set<Taxon> taxonSet = new HashSet<Taxon>();\r
+            if (taxon != null){\r
+                taxonSet.add(taxon);\r
+            }else{\r
+                taxonSet.addAll(synonym.getAcceptedTaxa());\r
+            }\r
+            for (Taxon relatedTaxon : taxonSet){\r
+    //                 dao.deleteSynonymRelationships(synonym, relatedTaxon);\r
+                relatedTaxon.removeSynonym(synonym, config.isNewHomotypicGroupIfNeeded());\r
+            }\r
+            this.saveOrUpdate(synonym);\r
+\r
+            //TODO remove name from homotypical group?\r
+\r
+            //remove synonym (if necessary)\r
+\r
+            UUID uuid = null;\r
+            if (synonym.getSynonymRelations().isEmpty()){\r
+                TaxonNameBase<?,?> name = synonym.getName();\r
+                synonym.setName(null);\r
+                uuid = dao.delete(synonym);\r
+\r
+                //remove name if possible (and required)\r
+                if (name != null && config.isDeleteNameIfPossible()){\r
+\r
+                        nameService.delete(name, config.getNameDeletionConfig());\r
 \r
-        //remove synonymRelationship\r
-        Set<Taxon> taxonSet = new HashSet<Taxon>();\r
-        if (taxon != null){\r
-            taxonSet.add(taxon);\r
-        }else{\r
-            taxonSet.addAll(synonym.getAcceptedTaxa());\r
-        }\r
-        for (Taxon relatedTaxon : taxonSet){\r
-//                     dao.deleteSynonymRelationships(synonym, relatedTaxon);\r
-            relatedTaxon.removeSynonym(synonym, config.isNewHomotypicGroupIfNeeded());\r
-        }\r
-        this.saveOrUpdate(synonym);\r
-\r
-        //TODO remove name from homotypical group?\r
-\r
-        //remove synonym (if necessary)\r
-        \r
-        \r
-        if (synonym.getSynonymRelations().isEmpty()){\r
-            TaxonNameBase<?,?> name = synonym.getName();\r
-            synonym.setName(null);\r
-            dao.delete(synonym);\r
-\r
-            //remove name if possible (and required)\r
-            if (name != null && config.isDeleteNameIfPossible()){\r
-                try{\r
-                    nameService.delete(name, config.getNameDeletionConfig());\r
-                }catch (ReferencedObjectUndeletableException ex){\r
-                       System.err.println("Name wasn't deleted as it is referenced");\r
-                    if (logger.isDebugEnabled()) {\r
-                        logger.debug("Name wasn't deleted as it is referenced");\r
-                    }\r
                 }\r
+\r
+            }else {\r
+               result.setError();\r
+               result.addException(new ReferencedObjectUndeletableException("Synonym can not be deleted it is used in a synonymRelationship."));\r
+                return result;\r
             }\r
+\r
+            return result;\r
+        }else{\r
+               List<Exception> exceptions = new ArrayList<Exception>();\r
+               for (String message :messages){\r
+                       exceptions.add(new ReferencedObjectUndeletableException(message));\r
+               }\r
+               result.setError();\r
+               result.addExceptions(exceptions);\r
+            return result;\r
         }\r
+\r
+\r
     }\r
 \r
 \r
@@ -1506,7 +1699,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             boolean highlightFragments, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths) throws CorruptIndexException, IOException, ParseException {\r
 \r
 \r
-        LuceneSearch luceneSearch = prepareFindByFullTextSearch(clazz, queryString, classification, languages, highlightFragments);\r
+        LuceneSearch luceneSearch = prepareFindByFullTextSearch(clazz, queryString, classification, languages, highlightFragments, null);\r
 \r
         // --- execute search\r
         TopGroupsWithMaxScore topDocsResultSet = luceneSearch.executeSearch(pageSize, pageNumber);\r
@@ -1552,18 +1745,21 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
      * @param classification\r
      * @param languages\r
      * @param highlightFragments\r
+     * @param sortFields TODO\r
      * @param directorySelectClass\r
      * @return\r
      */\r
     protected LuceneSearch prepareFindByFullTextSearch(Class<? extends CdmBase> clazz, String queryString, Classification classification, List<Language> languages,\r
-            boolean highlightFragments) {\r
+            boolean highlightFragments, SortField[] sortFields) {\r
         BooleanQuery finalQuery = new BooleanQuery();\r
         BooleanQuery textQuery = new BooleanQuery();\r
 \r
         LuceneSearch luceneSearch = new LuceneSearch(luceneIndexToolProvider, GroupByTaxonClassBridge.GROUPBY_TAXON_FIELD, TaxonBase.class);\r
         QueryFactory taxonBaseQueryFactory = luceneIndexToolProvider.newQueryFactoryFor(TaxonBase.class);\r
 \r
-        SortField[] sortFields = new  SortField[]{SortField.FIELD_SCORE, new SortField("titleCache__sort", SortField.STRING,  false)};\r
+        if(sortFields == null){\r
+            sortFields = new  SortField[]{SortField.FIELD_SCORE, new SortField("titleCache__sort", SortField.STRING,  false)};\r
+        }\r
         luceneSearch.setSortFields(sortFields);\r
 \r
         // ---- search criteria\r
@@ -1596,16 +1792,17 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
      * <li>direct, everted: {@link Direction.relatedTo}: TaxonRelationShip.relatedTo.id --&gt; Taxon.id </li>\r
      * <li>inverse: {@link Direction.relatedFrom}:  TaxonRelationShip.relatedFrom.id --&gt; Taxon.id </li>\r
      * <ul>\r
-     *\r
      * @param queryString\r
      * @param classification\r
      * @param languages\r
      * @param highlightFragments\r
+     * @param sortFields TODO\r
+     *\r
      * @return\r
      * @throws IOException\r
      */\r
     protected LuceneSearch prepareFindByTaxonRelationFullTextSearch(TaxonRelationshipEdge edge, String queryString, Classification classification, List<Language> languages,\r
-            boolean highlightFragments) throws IOException {\r
+            boolean highlightFragments, SortField[] sortFields) throws IOException {\r
 \r
         String fromField;\r
         String queryTermField;\r
@@ -1634,7 +1831,9 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         joinFromQuery.add(taxonBaseQueryFactory.newEntityIdQuery("type.id", edge.getTaxonRelationshipType()), Occur.MUST);\r
         Query joinQuery = taxonBaseQueryFactory.newJoinQuery(fromField, toField, joinFromQuery, TaxonRelationship.class);\r
 \r
-        SortField[] sortFields = new  SortField[]{SortField.FIELD_SCORE, new SortField("titleCache__sort", SortField.STRING,  false)};\r
+        if(sortFields == null){\r
+            sortFields = new  SortField[]{SortField.FIELD_SCORE, new SortField("titleCache__sort", SortField.STRING,  false)};\r
+        }\r
         luceneSearch.setSortFields(sortFields);\r
 \r
         finalQuery.add(joinQuery, Occur.MUST);\r
@@ -1690,6 +1889,20 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             searchModes = EnumSet.of(TaxaAndNamesSearchMode.doTaxa);\r
         }\r
 \r
+        // set sort order and thus override any sort orders which may have been\r
+        // defindes by prepare*Search methods\r
+        if(orderHints == null){\r
+            orderHints = OrderHint.NOMENCLATURAL_SORT_ORDER;\r
+        }\r
+        SortField[] sortFields = new SortField[orderHints.size()];\r
+        int i = 0;\r
+        for(OrderHint oh : orderHints){\r
+            sortFields[i++] = oh.toSortField();\r
+        }\r
+//        SortField[] sortFields = new SortField[]{SortField.FIELD_SCORE, new SortField("id", SortField.STRING, false)};\r
+//        SortField[] sortFields = new SortField[]{new SortField(NomenclaturalSortOrderBrigde.NAME_SORT_FIELD_NAME, SortField.STRING, false)};\r
+\r
+\r
         boolean addDistributionFilter = namedAreas != null && namedAreas.size() > 0;\r
 \r
         List<LuceneSearch> luceneSearches = new ArrayList<LuceneSearch>();\r
@@ -1747,7 +1960,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             } else if (!searchModes.contains(TaxaAndNamesSearchMode.doTaxa) && searchModes.contains(TaxaAndNamesSearchMode.doSynonyms)) {\r
                 taxonBaseSubclass = Synonym.class;\r
             }\r
-            luceneSearches.add(prepareFindByFullTextSearch(taxonBaseSubclass, queryString, classification, languages, highlightFragments));\r
+            luceneSearches.add(prepareFindByFullTextSearch(taxonBaseSubclass, queryString, classification, languages, highlightFragments, sortFields));\r
             idFieldMap.put(CdmBaseType.TAXON, "id");\r
             /* A) does not work!!!!\r
             if(addDistributionFilter){\r
@@ -1791,6 +2004,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             LuceneSearch byCommonNameSearch = new LuceneSearch(luceneIndexToolProvider, GroupByTaxonClassBridge.GROUPBY_TAXON_FIELD, Taxon.class);\r
             byCommonNameSearch.setCdmTypRestriction(Taxon.class);\r
             byCommonNameSearch.setQuery(byCommonNameJoinQuery);\r
+            byCommonNameSearch.setSortFields(sortFields);\r
             idFieldMap.put(CdmBaseType.TAXON, "id");\r
 \r
             luceneSearches.add(byCommonNameSearch);\r
@@ -1823,7 +2037,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             //\r
             luceneSearches.add(prepareFindByTaxonRelationFullTextSearch(\r
                     new TaxonRelationshipEdge(TaxonRelationshipType.MISAPPLIED_NAME_FOR(), Direction.relatedTo),\r
-                    queryString, classification, languages, highlightFragments));\r
+                    queryString, classification, languages, highlightFragments, sortFields));\r
             idFieldMap.put(CdmBaseType.TAXON, "id");\r
 \r
             if(addDistributionFilter){\r
@@ -1891,6 +2105,8 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         if (addDistributionFilter){\r
             multiSearch.setFilter(multiIndexByAreaFilter);\r
         }\r
+\r
+\r
         // --- execute search\r
         TopGroupsWithMaxScore topDocsResultSet = multiSearch.executeSearch(pageSize, pageNumber);\r
 \r
@@ -2026,7 +2242,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             Integer pageSize, Integer pageNumber, List<OrderHint> orderHints, List<String> propertyPaths) throws CorruptIndexException, IOException, ParseException, LuceneMultiSearchException {\r
 \r
         LuceneSearch luceneSearchByDescriptionElement = prepareByDescriptionElementFullTextSearch(null, queryString, classification, null, languages, highlightFragments);\r
-        LuceneSearch luceneSearchByTaxonBase = prepareFindByFullTextSearch(null, queryString, classification, languages, highlightFragments);\r
+        LuceneSearch luceneSearchByTaxonBase = prepareFindByFullTextSearch(null, queryString, classification, languages, highlightFragments, null);\r
 \r
         LuceneMultiSearch multiSearch = new LuceneMultiSearch(luceneIndexToolProvider, luceneSearchByDescriptionElement, luceneSearchByTaxonBase);\r
 \r
@@ -2196,7 +2412,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         }\r
         String genusOfTaxon = taxonName.getGenusOrUninomial();\r
         Set<TaxonNode> nodes = taxon.getTaxonNodes();\r
-         List<String> taxonNames = new ArrayList<String>();\r
+        List<String> taxonNames = new ArrayList<String>();\r
 \r
         for (TaxonNode node: nodes){\r
            // HashMap<String, String> synonymsGenus = new HashMap<String, String>(); // Changed this to be able to store the idInSource to a genusName\r
@@ -2549,8 +2765,6 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
             potentialCombination.addSource(originalSource);\r
         }\r
 \r
-        inferredSynName.generateTitle();\r
-\r
         return potentialCombination;\r
     }\r
 \r
@@ -2629,9 +2843,6 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
 \r
         taxon.addSynonym(inferredGenus, SynonymRelationshipType.INFERRED_GENUS_OF());\r
 \r
-        inferredSynName.generateTitle();\r
-\r
-\r
         return inferredGenus;\r
     }\r
 \r
@@ -2653,7 +2864,7 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         Reference<?> sourceReference = syn.getSec();\r
 \r
         if (sourceReference == null){\r
-                logger.warn("The synonym has no sec reference because it is a misapplied name! Take the sec reference of taxon" + taxon.getSec());\r
+             logger.warn("The synonym has no sec reference because it is a misapplied name! Take the sec reference of taxon" + taxon.getSec());\r
              sourceReference = taxon.getSec();\r
         }\r
 \r
@@ -2726,7 +2937,6 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
 \r
         taxon.addSynonym(inferredEpithet, SynonymRelationshipType.INFERRED_EPITHET_OF());\r
 \r
-        inferredSynName.generateTitle();\r
         return inferredEpithet;\r
     }\r
 \r
@@ -2806,9 +3016,6 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return inferredSynonyms;\r
     }\r
 \r
-    /* (non-Javadoc)\r
-     * @see eu.etaxonomy.cdm.api.service.ITaxonService#listClassifications(eu.etaxonomy.cdm.model.taxon.TaxonBase, java.lang.Integer, java.lang.Integer, java.util.List)\r
-     */\r
     @Override\r
     public List<Classification> listClassifications(TaxonBase taxonBase, Integer limit, Integer start, List<String> propertyPaths) {\r
 \r
@@ -2837,9 +3044,257 @@ public class TaxonServiceImpl extends IdentifiableServiceBase<TaxonBase,ITaxonDa
         return list;\r
     }\r
 \r
+    @Override\r
+    public Synonym changeRelatedTaxonToSynonym(Taxon fromTaxon, Taxon toTaxon, TaxonRelationshipType oldRelationshipType,\r
+            SynonymRelationshipType synonymRelationshipType) throws DataChangeNoRollbackException {\r
+        // Create new synonym using concept name\r
+                TaxonNameBase<?, ?> synonymName = fromTaxon.getName();\r
+                Synonym synonym = Synonym.NewInstance(synonymName, fromTaxon.getSec());\r
+\r
+                // Remove concept relation from taxon\r
+                toTaxon.removeTaxon(fromTaxon, oldRelationshipType);\r
+\r
+\r
+\r
+\r
+                // Create a new synonym for the taxon\r
+                SynonymRelationship synonymRelationship;\r
+                if (synonymRelationshipType != null\r
+                        && synonymRelationshipType.equals(SynonymRelationshipType.HOMOTYPIC_SYNONYM_OF())){\r
+                    synonymRelationship = toTaxon.addHomotypicSynonym(synonym, null, null);\r
+                } else{\r
+                    synonymRelationship = toTaxon.addHeterotypicSynonymName(synonymName);\r
+                }\r
+\r
+                this.saveOrUpdate(toTaxon);\r
+                //TODO: configurator and classification\r
+                TaxonDeletionConfigurator config = new TaxonDeletionConfigurator();\r
+                config.setDeleteNameIfPossible(false);\r
+                this.deleteTaxon(fromTaxon, config, null);\r
+                return synonymRelationship.getSynonym();\r
+\r
+    }\r
+    @Override\r
+    public List<String> isDeletable(TaxonBase taxonBase, DeleteConfiguratorBase config){\r
+        List<String> result = new ArrayList<String>();\r
+        Set<CdmBase> references = commonService.getReferencingObjectsForDeletion(taxonBase);\r
+        if (taxonBase instanceof Taxon){\r
+            TaxonDeletionConfigurator taxonConfig = (TaxonDeletionConfigurator) config;\r
+            result = isDeletableForTaxon(references, taxonConfig);\r
+        }else{\r
+            SynonymDeletionConfigurator synonymConfig = (SynonymDeletionConfigurator) config;\r
+            result = isDeletableForSynonym(references, synonymConfig);\r
+        }\r
+        return result;\r
+    }\r
+\r
+    private List<String> isDeletableForSynonym(Set<CdmBase> references, SynonymDeletionConfigurator config){\r
+        String message;\r
+        List<String> result = new ArrayList<String>();\r
+        for (CdmBase ref: references){\r
+            if (!(ref instanceof SynonymRelationship || ref instanceof Taxon || ref instanceof TaxonNameBase )){\r
+                message = "The Synonym can't be deleted as long as it is referenced by " + ref.getClass().getSimpleName() + " with id "+ ref.getId();\r
+                result.add(message);\r
+            }\r
+        }\r
+\r
+        return result;\r
+    }\r
+    private List<String> isDeletableForTaxon(Set<CdmBase> references, TaxonDeletionConfigurator config){\r
+        String message;\r
+        List<String> result = new ArrayList<String>();\r
+        for (CdmBase ref: references){\r
+            if (!(ref instanceof TaxonNameBase)){\r
+                if (!config.isDeleteSynonymRelations() && (ref instanceof SynonymRelationship)){\r
+                    message = "The Taxon can't be deleted as long as it has synonyms.";\r
+                    result.add(message);\r
+                }\r
+                if (!config.isDeleteDescriptions() && (ref instanceof DescriptionBase)){\r
+                    message = "The Taxon can't be deleted as long as it has factual data.";\r
+                    result.add(message);\r
+                }\r
+\r
+                if (!config.isDeleteTaxonNodes() && (ref instanceof TaxonNode)){\r
+                    message = "The Taxon can't be deleted as long as it belongs to a taxon node.";\r
+                    result.add(message);\r
+                }\r
+                if (!config.isDeleteTaxonRelationships() && (ref instanceof TaxonNode)){\r
+                    if (!config.isDeleteMisappliedNamesAndInvalidDesignations() && (((TaxonRelationship)ref).getType().equals(TaxonRelationshipType.MISAPPLIED_NAME_FOR())|| ((TaxonRelationship)ref).getType().equals(TaxonRelationshipType.INVALID_DESIGNATION_FOR()))){\r
+                        message = "The Taxon can't be deleted as long as it has misapplied names or invalid designations.";\r
+                        result.add(message);\r
+                    } else{\r
+                        message = "The Taxon can't be deleted as long as it belongs to a taxon node.";\r
+                        result.add(message);\r
+                    }\r
+                }\r
+                if (ref instanceof PolytomousKeyNode){\r
+                    message = "The Taxon can't be deleted as long as it is referenced by a polytomous key node.";\r
+                    result.add(message);\r
+                }\r
+\r
+                if (HibernateProxyHelper.isInstanceOf(ref, IIdentificationKey.class)){\r
+                   message = "Taxon can't be deleted as it is used in an identification key. Remove from identification key prior to deleting this name";\r
+                   result.add(message);\r
+\r
+                }\r
+\r
+\r
+               /* //PolytomousKeyNode\r
+                if (referencingObject.isInstanceOf(PolytomousKeyNode.class)){\r
+                    String message = "Taxon" + taxon.getTitleCache() + " can't be deleted as it is used in polytomous key node";\r
+                    return message;\r
+                }*/\r
+\r
+                //TaxonInteraction\r
+                if (ref.isInstanceOf(TaxonInteraction.class)){\r
+                    message = "Taxon can't be deleted as it is used in taxonInteraction#taxon2";\r
+                    result.add(message);\r
+                }\r
+\r
+              //TaxonInteraction\r
+                if (ref.isInstanceOf(DeterminationEvent.class)){\r
+                    message = "Taxon can't be deleted as it is used in a determination event";\r
+                    result.add(message);\r
+                }\r
+\r
+            }\r
+\r
+        }\r
+\r
+        return result;\r
+    }\r
+\r
+    @Override\r
+    public IncludedTaxaDTO listIncludedTaxa(UUID taxonUuid, IncludedTaxonConfiguration config) {\r
+        IncludedTaxaDTO result = new IncludedTaxaDTO(taxonUuid);\r
 \r
+        //preliminary implementation\r
+\r
+        Set<Taxon> taxa = new HashSet<Taxon>();\r
+        TaxonBase taxonBase = find(taxonUuid);\r
+        if (taxonBase == null){\r
+            return new IncludedTaxaDTO();\r
+        }else if (taxonBase.isInstanceOf(Taxon.class)){\r
+            Taxon taxon = CdmBase.deproxy(taxonBase, Taxon.class);\r
+            taxa.add(taxon);\r
+        }else if (taxonBase.isInstanceOf(Synonym.class)){\r
+            //TODO partial synonyms ??\r
+            //TODO synonyms in general\r
+            Synonym syn = CdmBase.deproxy(taxonBase, Synonym.class);\r
+            taxa.addAll(syn.getAcceptedTaxa());\r
+        }else{\r
+            throw new IllegalArgumentException("Unhandled class " + taxonBase.getClass().getSimpleName());\r
+        }\r
 \r
+        Set<Taxon> related = makeRelatedIncluded(taxa, result, config);\r
+        int i = 0;\r
+        while((! related.isEmpty()) && i++ < 100){  //to avoid\r
+             related = makeRelatedIncluded(related, result, config);\r
+        }\r
 \r
+        return result;\r
+    }\r
+\r
+    /**\r
+     * Computes all children and conceptually congruent and included taxa and adds them to the existingTaxa\r
+     * data structure.\r
+     * @return the set of conceptually related taxa for further use\r
+     */\r
+    /**\r
+     * @param uncheckedTaxa\r
+     * @param existingTaxa\r
+     * @param config\r
+     * @return\r
+     */\r
+    private Set<Taxon> makeRelatedIncluded(Set<Taxon> uncheckedTaxa, IncludedTaxaDTO existingTaxa, IncludedTaxonConfiguration config) {\r
+\r
+        //children\r
+        Set<TaxonNode> taxonNodes = new HashSet<TaxonNode>();\r
+        for (Taxon taxon: uncheckedTaxa){\r
+            taxonNodes.addAll(taxon.getTaxonNodes());\r
+        }\r
+\r
+        Set<Taxon> children = new HashSet<Taxon>();\r
+        if (! config.onlyCongruent){\r
+            for (TaxonNode node: taxonNodes){\r
+                List<TaxonNode> childNodes = nodeService.loadChildNodesOfTaxonNode(node, null, true, false);\r
+                for (TaxonNode child : childNodes){\r
+                    children.add(child.getTaxon());\r
+                }\r
+            }\r
+            children.remove(null);  // just to be on the save side\r
+        }\r
+\r
+        Iterator<Taxon> it = children.iterator();\r
+        while(it.hasNext()){\r
+            UUID uuid = it.next().getUuid();\r
+            if (existingTaxa.contains(uuid)){\r
+                it.remove();\r
+            }else{\r
+                existingTaxa.addIncludedTaxon(uuid, new ArrayList<UUID>(), false);\r
+            }\r
+        }\r
+\r
+        //concept relations\r
+        Set<Taxon> uncheckedAndChildren = new HashSet<Taxon>(uncheckedTaxa);\r
+        uncheckedAndChildren.addAll(children);\r
+\r
+        Set<Taxon> relatedTaxa = makeConceptIncludedTaxa(uncheckedAndChildren, existingTaxa, config);\r
+\r
+\r
+        Set<Taxon> result = new HashSet<Taxon>(relatedTaxa);\r
+        return result;\r
+    }\r
+\r
+    /**\r
+     * Computes all conceptually congruent or included taxa and adds them to the existingTaxa data structure.\r
+     * @return the set of these computed taxa\r
+     */\r
+    private Set<Taxon> makeConceptIncludedTaxa(Set<Taxon> unchecked, IncludedTaxaDTO existingTaxa, IncludedTaxonConfiguration config) {\r
+        Set<Taxon> result = new HashSet<Taxon>();\r
+\r
+        for (Taxon taxon : unchecked){\r
+            Set<TaxonRelationship> fromRelations = taxon.getRelationsFromThisTaxon();\r
+            Set<TaxonRelationship> toRelations = taxon.getRelationsToThisTaxon();\r
+\r
+            for (TaxonRelationship fromRel : fromRelations){\r
+                if (config.includeDoubtful == false && fromRel.isDoubtful()){\r
+                    continue;\r
+                }\r
+                if (fromRel.getType().equals(TaxonRelationshipType.CONGRUENT_TO()) ||\r
+                        !config.onlyCongruent && fromRel.getType().equals(TaxonRelationshipType.INCLUDES()) ||\r
+                        !config.onlyCongruent && fromRel.getType().equals(TaxonRelationshipType.CONGRUENT_OR_INCLUDES())\r
+                        ){\r
+                    result.add(fromRel.getToTaxon());\r
+                }\r
+            }\r
+\r
+            for (TaxonRelationship toRel : toRelations){\r
+                if (config.includeDoubtful == false && toRel.isDoubtful()){\r
+                    continue;\r
+                }\r
+                if (toRel.getType().equals(TaxonRelationshipType.CONGRUENT_TO())){\r
+                    result.add(toRel.getFromTaxon());\r
+                }\r
+            }\r
+        }\r
+\r
+        Iterator<Taxon> it = result.iterator();\r
+        while(it.hasNext()){\r
+            UUID uuid = it.next().getUuid();\r
+            if (existingTaxa.contains(uuid)){\r
+                it.remove();\r
+            }else{\r
+                existingTaxa.addIncludedTaxon(uuid, new ArrayList<UUID>(), false);\r
+            }\r
+        }\r
+        return result;\r
+    }\r
+    @Override\r
+    public List<TaxonBase> findTaxaByName(MatchingTaxonConfigurator config){\r
+        List<TaxonBase> taxonList = dao.getTaxaByName(true, false, false, config.getTaxonNameTitle(), null, MatchMode.EXACT, null, 0, 0, config.getPropertyPath());\r
+        return taxonList;\r
+    }\r
 \r
 \r
 }\r