Add generic find(clazz, uuid) method #5853

[cdmlib.git] / cdmlib-services / src / main / java / eu / etaxonomy / cdm / api / service / VersionableServiceBase.java

diff --git a/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/VersionableServiceBase.java b/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/VersionableServiceBase.java
index b0c15bb3c12cd9d0a5d07d0f2ba58314790e64cc..91ca7d0d8204ab1aa69110d4080369a09e7670d8 100644 (file)
--- a/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/VersionableServiceBase.java
+++ b/cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/VersionableServiceBase.java
@@ -1,22 +1,25 @@
 // $Id$
 /**
  * Copyright (C) 2007 EDIT
- * European Distributed Institute of Taxonomy 
+ * European Distributed Institute of Taxonomy
  * http://www.e-taxonomy.eu
- * 
+ *
  * The contents of this file are subject to the Mozilla Public License Version 1.1
  * See LICENSE.TXT at the top of this package for the full license terms.
  */
 package eu.etaxonomy.cdm.api.service;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
 
 import org.hibernate.envers.query.criteria.AuditCriterion;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
 
 import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;
+import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException;
 import eu.etaxonomy.cdm.api.service.pager.Pager;
 import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;
 import eu.etaxonomy.cdm.model.common.CdmBase;
@@ -29,51 +32,63 @@ import eu.etaxonomy.cdm.persistence.dao.common.IVersionableDao;
 public abstract class VersionableServiceBase<T extends VersionableEntity, DAO extends IVersionableDao<T>> extends ServiceBase<T,DAO> implements IVersionableService<T> {
        @Autowired
     protected ICommonService commonService;
-       @Transactional(readOnly = true)
+       @Override
+    @Transactional(readOnly = true)
        public Pager<AuditEventRecord<T>> pageAuditEvents(T t, Integer pageSize,        Integer pageNumber, AuditEventSort sort, List<String> propertyPaths) {
                Integer numberOfResults = dao.countAuditEvents(t, sort);
-                       
+
                List<AuditEventRecord<T>> results = new ArrayList<AuditEventRecord<T>>();
                if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
                        results = dao.getAuditEvents(t, pageSize, pageNumber, sort,propertyPaths);
                }
-               
+
                return new DefaultPagerImpl<AuditEventRecord<T>>(pageNumber, numberOfResults, pageSize, results);
        }
 
-       @Transactional(readOnly = true)
+       @Override
+    @Transactional(readOnly = true)
        public AuditEventRecord<T> getNextAuditEvent(T t) {
                return dao.getNextAuditEvent(t);
        }
 
-       @Transactional(readOnly = true)
+       @Override
+    @Transactional(readOnly = true)
        public AuditEventRecord<T> getPreviousAuditEvent(T t) {
                return dao.getPreviousAuditEvent(t);
        }
-       
-       @Transactional(readOnly = true)
+
+       @Override
+    @Transactional(readOnly = true)
        public Pager<AuditEventRecord<T>> pageAuditEvents(Class<? extends T> clazz,AuditEvent from,AuditEvent to, List<AuditCriterion> criteria, Integer pageSize, Integer pageNumber, AuditEventSort sort,List<String> propertyPaths) {
                Integer numberOfResults = dao.countAuditEvents(clazz, from, to, criteria);
-               
+
                List<AuditEventRecord<T>> results = new ArrayList<AuditEventRecord<T>>();
                if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)
                        results = dao.getAuditEvents(clazz,from,to,criteria, pageSize, pageNumber, sort,propertyPaths);
                }
-               
+
                return new DefaultPagerImpl<AuditEventRecord<T>>(pageNumber, numberOfResults, pageSize, results);
        }
-       
+
         /**
      * the basic isDeletable method return false if the object is referenced from any other object.
      */
-    
+
     @Override
-    public List<String> isDeletable(T base, DeleteConfiguratorBase config){
-       List result = new ArrayList<String>();
-       if (commonService.getReferencingObjects(base).size() > 0){
-               //TODO
+    public DeleteResult isDeletable(T base, DeleteConfiguratorBase config){
+       DeleteResult result = new DeleteResult();
+       Set<CdmBase> references = commonService.getReferencingObjectsForDeletion(base);
+       if (references != null){
+               result.addRelatedObjects(references);
+               Iterator<CdmBase> iterator = references.iterator();
+               CdmBase ref;
+               while (iterator.hasNext()){
+                       ref = iterator.next();
+                       String message = "An object of " + ref.getClass().getName() + " with ID " + ref.getId() + " is referencing the object" ;
+                       result.addException(new ReferencedObjectUndeletableException(message));
+                       result.setAbort();
+               }
        }
        return result;
     }
-
 }