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/*******************************************************************************
* 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
*******************************************************************************/
/*
* 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;
}
}
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