/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.modules.session.catalina.callback;
import org.apache.geode.cache.CacheWriterException;
import org.apache.geode.cache.Declarable;
import org.apache.geode.cache.EntryEvent;
import org.apache.geode.cache.EntryNotFoundException;
import org.apache.geode.cache.Region;
import org.apache.geode.cache.util.CacheWriterAdapter;
import javax.servlet.http.HttpSession;
import java.util.Properties;
public class LocalSessionCacheWriter extends CacheWriterAdapter<String, HttpSession>
implements Declarable {
private final Region<String, HttpSession> backingRegion;
public LocalSessionCacheWriter(Region<String, HttpSession> backingRegion) {
this.backingRegion = backingRegion;
}
public void beforeCreate(EntryEvent<String, HttpSession> event) throws CacheWriterException {
this.backingRegion.put(event.getKey(), event.getNewValue(), event.getCallbackArgument());
}
public void beforeUpdate(EntryEvent<String, HttpSession> event) throws CacheWriterException {
this.backingRegion.put(event.getKey(), event.getNewValue(), event.getCallbackArgument());
}
public void beforeDestroy(EntryEvent<String, HttpSession> event) throws CacheWriterException {
try {
this.backingRegion.destroy(event.getKey(), event.getCallbackArgument());
} catch (EntryNotFoundException e) {
// I think it is safe to ignore this exception. The entry could have
// expired already in the backing region.
}
}
public void close() {}
public void init(Properties p) {}
}