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org.apache.jetspeed.util.interceptors.PageManagerInterceptor	0%	0%

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one or more
3		* contributor license agreements. See the NOTICE file distributed with
4		* this work for additional information regarding copyright ownership.
5		* The ASF licenses this file to You under the Apache License, Version 2.0
6		* (the "License"); you may not use this file except in compliance with
7		* the License. You may obtain a copy of the License at
8		*
9		* 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.util.interceptors;
18
19		import org.aopalliance.intercept.MethodInterceptor;
20		import org.aopalliance.intercept.MethodInvocation;
21		import org.apache.jetspeed.page.impl.DatabasePageManagerCache;
22
23		/**
24		* Aspect that will attempt to rollback cache entries upon Page Manager failures
25		*
26		* @author <a href="mailto:david@bluesunrise.com">David Sean Taylor</a>
27		*/
28	0	public class PageManagerInterceptor implements MethodInterceptor
29		{
30
31		/** Serialization version identifier */
32		private static final long serialVersionUID = -1316279974504594833L;
33
34		/**
35		* Encloses <code>super.invoke()</code> in a try/catch block, where the
36		* catch block contains additional retry logic.
37		*/
38		public Object invoke(MethodInvocation invocation) throws Throwable
39		{
40		try
41		{
42	0	return invocation.proceed();
43		}
44	0	catch (Exception exp)
45		{
46	0	DatabasePageManagerCache.rollbackTransactions();
47	0	throw exp;
48		}
49		}
50
51		}

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