X-Git-Url: https://dev.e-taxonomy.eu/gitweb/cdmlib.git/blobdiff_plain/1995f802501b8ca40481adf35241a91107c3c638..e8302290d4e34ecf7526c3dfb389805e3b36a1d5:/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 b0c15bb3c1..91ca7d0d82 100644
--- 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;
     }
-
 }