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Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. /
 
 
 package org.apache.cayenne.modeler.action;
 
 
 import  org.apache.cayenne.map.DbEntity;
 import  org.apache.cayenne.map.DbRelationship;
 import  org.apache.cayenne.map.ObjEntity;
 import  org.apache.cayenne.map.ObjRelationship;
 import  org.apache.cayenne.map.Relationship;
 import  org.apache.cayenne.map.event.MapEvent;
 import  org.apache.cayenne.map.event.RelationshipEvent;
 import  org.apache.cayenne.project.ProjectPath;

Removes currently selected relationship from either the DbEntity or ObjEntity.
 
 public class RemoveRelationshipAction extends RemoveAction implements
 
 	
 
 	private final static String ACTION_NAME = "Remove Relationship";

Name of action if multiple rels are selected
 
 	private final static String ACTION_NAME_MULTIPLE = "Remove Relationships";
 
 	public static String getActionName() {
 		return ;
 	}
 
 	public String getActionName(boolean multiple) {
 		return multiple ?  : ;
 	}
 
 	public RemoveRelationshipAction(Application application) {
 		super(application);
 	}

Returns true if last object in the path contains a removable relationship.
 
 	public boolean enableForPath(ProjectPath path) {
 		if (path == null) {
 			return false;
 		}
 
 		return path.getObject() instanceof Relationship;
 	}
 
 	public void performAction(ActionEvent eboolean allowAsking) {
 		ConfirmRemoveDialog dialog = getConfirmDeleteDialog(allowAsking);
 
 		ObjRelationship[] rels = getProjectController()
 		if (rels != null && rels.length > 0) {
 			if ((rels.length == 1 && dialog.shouldDelete("ObjRelationship",
 					rels[0].getName()))
 					|| (rels.length > 1 && dialog
 							.shouldDelete("selected ObjRelationships"))) {
 				ObjEntity entity = mediator.getCurrentObjEntity();
 				removeObjRelationships(entityrels);
 						new RemoveRelationshipUndoableEdit(entityrels));
 			}
 		} else {
 			DbRelationship[] dbRels = getProjectController()
			if (dbRels != null && dbRels.length > 0) {
				if ((dbRels.length == 1 && dialog.shouldDelete(
						"DbRelationship"dbRels[0].getName()))
						|| (dbRels.length > 1 && dialog
								.shouldDelete("selected DbRelationships"))) {
					DbEntity entity = mediator.getCurrentDbEntity();
					removeDbRelationships(entitydbRels);
							new RemoveRelationshipUndoableEdit(entitydbRels));
				}
			}
		}
	}
	public void removeObjRelationships(ObjEntity entity, ObjRelationship[] rels) {
		for (ObjRelationship rel : rels) {
			entity.removeRelationship(rel.getName());
			RelationshipEvent e = new RelationshipEvent(Application.getFrame(),
					relentity, MapEvent.REMOVE);
		}
	}
	public void removeDbRelationships(DbEntity entity, DbRelationship[] rels) {
		for (DbRelationship rel : rels) {
			entity.removeRelationship(rel.getName());
			RelationshipEvent e = new RelationshipEvent(Application.getFrame(),
					relentity, MapEvent.REMOVE);
		}
		ProjectUtil.cleanObjMappings(mediator.getCurrentDataMap());
	}
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