| /******************************************************************************* |
| * 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. |
| */ |
| 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; |
| } |
| } |