/*
* Copyright Terracotta, Inc.
*
* Licensed 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.ehcache.impl.internal.loaderwriter.writebehind;
import org.ehcache.spi.loaderwriter.CacheLoaderWriter;
/**
* @author Geert Bevin
* @author Chris Dennis
*
*/
public interface WriteBehind<K, V> extends CacheLoaderWriter<K, V> {
/**
* Start the write behind queue
*
*/
void start();
/**
* Stop the coordinator and all the internal data structures.
* <p>
* This stops as quickly as possible without losing any previously added items. However, no guarantees are made
* towards the processing of these items. It's highly likely that items are still inside the internal data structures
* and not processed.
*/
void stop();
/**
* Gets the best estimate for items in the queue still awaiting processing.
*
* @return the amount of elements still awaiting processing.
*/
long getQueueSize();
}