01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ejb;
23:
24: import java.util.Collection;
25: import java.util.Iterator;
26: import java.util.List;
27: import java.util.ArrayList;
28:
29: /**
30: * Entity EJBObject and EJBLocalObject proxy factories implement this generic interface.
31: * The getEntityEJBObject method returns either EJBObject or EJBLoadlObject.
32: *
33: * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
34: * @version <tt>$Revision: 57209 $</tt>
35: */
36: public interface GenericEntityObjectFactory {
37: Object getEntityEJBObject(Object id);
38:
39: class UTIL {
40: private UTIL() {
41: }
42:
43: public static Collection getEntityCollection(
44: GenericEntityObjectFactory factory, Collection ids) {
45: List result = new ArrayList();
46: if (!ids.isEmpty()) {
47: for (Iterator i = ids.iterator(); i.hasNext();) {
48: result.add(factory.getEntityEJBObject(i.next()));
49: }
50: }
51: return result;
52: }
53: }
54: }
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