01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.jetspeed.page.impl;
18:
19: import java.util.Collection;
20: import java.util.List;
21:
22: import org.apache.commons.logging.Log;
23: import org.apache.commons.logging.LogFactory;
24: import org.apache.ojb.broker.util.collections.RemovalAwareCollection;
25: import org.apache.ojb.broker.util.collections.RemovalAwareList;
26:
27: /**
28: * DatabasePageManagerUtils
29: *
30: * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
31: * @version $Id: $
32: */
33: public class DatabasePageManagerUtils {
34: protected static Log log = LogFactory
35: .getLog(DatabasePageManagerUtils.class);
36:
37: /**
38: * OJB 1.0.3 requires collections to be removal aware.
39: * Thus we can't seem to get away with just creating ArrayLists
40: * This issue on occurs when persisting newly create object collections
41: * When persisting objects retrieved with OJB, this issue does not occur
42: *
43: * @see JS2-590
44: * @return
45: */
46: public static final Collection createCollection() {
47: return java.util.Collections
48: .synchronizedCollection(new RemovalAwareCollection());
49: }
50:
51: public static final List createList() {
52: return java.util.Collections
53: .synchronizedList(new RemovalAwareList());
54: }
55:
56: }
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