/*
* 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.internal.cache.tier;
import org.apache.geode.CancelException;
import org.apache.geode.SystemFailure;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.Region;
import org.apache.geode.internal.cache.InternalCache;
/**
* Helper class that maintains a weak hashmap of referenced regions
*
* @since GemFire 2.0.2
*/
public class CachedRegionHelper {
private final InternalCache cache;
private volatile boolean shutdown = false;
// private Map regions;
private volatile int slowEmulationSleep = 0;
public CachedRegionHelper(InternalCache c) {
this.cache = c;
// this.regions = new WeakHashMap();
}
public void checkCancelInProgress(Throwable e) throws CancelException {
cache.getCancelCriterion().checkCancelInProgress(e);
}
public Region getRegion(String name) {
return cache.getRegion(name);
}
public InternalCache getCache() {
return this.cache;
}
public void setShutdown(boolean shutdown) {
this.shutdown = shutdown;
}
public boolean isShutdown() {
return shutdown || cache.getCancelCriterion().isCancelInProgress();
}
public void close() {
// cache = null;
// regions = null;
}
/**
* Just ensure that this class gets loaded.
*
* @see SystemFailure#loadEmergencyClasses()
*/
public static void loadEmergencyClasses() {
// nothing needed, just make sure this class gets loaded
}
}