/*******************************************************************************
* Copyright (c) 2001, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.ejb.internal.impl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jst.j2ee.ejb.CommonRelationshipRole;
import org.eclipse.jst.j2ee.ejb.ContainerManagedEntity;
/**
* @author jlanuti
*
* To change this generated comment edit the template variable "typecomment":
* Window>Preferences>Java>Templates.
* To enable and disable the creation of type comments go to
* Window>Preferences>Java>Code Generation.
*/
public class LocalRelationshipRoleKeyAttributeFilter extends LocalRelationshipRoleAttributeFilter {
private static LocalRelationshipRoleKeyAttributeFilter singleton;
public static LocalRelationshipRoleAttributeFilter singleton() {
if (singleton == null)
singleton = new LocalRelationshipRoleKeyAttributeFilter();
return singleton;
}
/**
* filter method comment.
*/
@Override
public List filter(ContainerManagedEntity cmp) {
List attributes = new ArrayList();
Iterator it = getSourceRoles(cmp).iterator();
CommonRelationshipRole role;
while (it.hasNext()) {
role = (CommonRelationshipRole) it.next();
if (role.isKey())
attributes.addAll(role.getAttributes());
}
return attributes;
}
}