| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| *******************************************************************************/ |
| /* |
| * Created on May 5, 2003 |
| * |
| * To change the template for this generated file go to |
| * Window>Preferences>Java>Code Generation>Code and Comments |
| */ |
| 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 the template for this generated type comment go to |
| * Window>Preferences>Java>Code Generation>Code and Comments |
| */ |
| public class NonKeyRequiredRoleFilter extends ContainerManagedEntityFilter { |
| |
| private static NonKeyRequiredRoleFilter singleton; |
| |
| /** |
| * filter method comment. |
| */ |
| public List filter(ContainerManagedEntity cmp) { |
| List roles = new ArrayList(); |
| Iterator it = getRelationshipRoles(cmp).iterator(); |
| CommonRelationshipRole role; |
| while (it.hasNext()) { |
| role = (CommonRelationshipRole) it.next(); |
| if (!role.isKey() && role.isRequired()) roles.add(role); |
| } |
| return roles; |
| } |
| |
| /** |
| * Insert the method's description here. Creation date: (11/28/2000 7:15:37 |
| * PM) |
| * |
| * @return com.ibm.ejs.models.base.extensions.ejbext.impl.KeyRelationshipRoleFilter |
| */ |
| public static NonKeyRequiredRoleFilter singleton() { |
| if (singleton == null) singleton = new NonKeyRequiredRoleFilter(); |
| return singleton; |
| } |
| } |