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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
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package org.apache.cayenne.modeler.action;
import java.awt.event.ActionEvent;
import java.util.Iterator;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.map.event.EntityEvent;
import org.apache.cayenne.map.event.MapEvent;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.ProjectController;
import org.apache.cayenne.modeler.dialog.objentity.EntitySyncController;
import org.apache.cayenne.modeler.util.CayenneAction;
import org.apache.cayenne.project.ProjectPath;
import org.apache.cayenne.util.EntityMergeSupport;
/**
* Action that synchronizes all ObjEntities with the current state of the selected
* DbEntity.
*
* @author Garry Watkins
*/
public class DbEntitySyncAction extends CayenneAction {
public static String getActionName() {
return "Sync Dependent ObjEntities with DbEntity";
}
public DbEntitySyncAction(Application application) {
super(getActionName(), application);
}
public String getIconName() {
return "icon-sync.gif";
}
/**
* @see org.apache.cayenne.modeler.util.CayenneAction#performAction(ActionEvent)
*/
public void performAction(ActionEvent e) {
synchDbEntity();
}
protected void synchDbEntity() {
ProjectController mediator = getProjectController();
DbEntity dbEntity = mediator.getCurrentDbEntity();
if (dbEntity != null) {
Iterator it = dbEntity.getDataMap().getMappedEntities(dbEntity).iterator();
if (!it.hasNext()) {
return;
}
EntityMergeSupport merger = new EntitySyncController(Application
.getInstance()
.getFrameController(), dbEntity).createMerger();
if (merger == null) {
return;
}
while (it.hasNext()) {
ObjEntity entity = (ObjEntity) it.next();
if (merger.synchronizeWithDbEntity(entity)) {
mediator.fireObjEntityEvent(new EntityEvent(
this,
entity,
MapEvent.CHANGE));
}
}
}
}
/**
* Returns <code>true</code> if path contains a ObjEntity object.
*/
public boolean enableForPath(ProjectPath path) {
if (path == null) {
return false;
}
return path.firstInstanceOf(DbEntity.class) != null;
}
}