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/*******************************************************************************
 *
 *    Copyright (C) 2015-2018 the BBoxDB project
 *  
 *    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.bboxdb.distribution.statistics;

import org.bboxdb.misc.BBoxDBException;
import org.bboxdb.misc.BBoxDBService;
import org.bboxdb.storage.tuplestore.manager.TupleStoreManagerRegistry;

public class StatisticsUpdateService implements BBoxDBService {

	/**
	 * The storage registry
	 */
	private TupleStoreManagerRegistry storageRegistry;
	
	private Thread statisticsUpdateThread;

	public StatisticsUpdateService(final TupleStoreManagerRegistry storageRegistry) {
		this.storageRegistry = storageRegistry;
	}

	@Override
	public void init() throws InterruptedException, BBoxDBException {
		final StatisticsUpdateRunnable runable = new StatisticsUpdateRunnable(storageRegistry);
		statisticsUpdateThread = new Thread(runable);
		statisticsUpdateThread.setName("Statistics update thread");
		statisticsUpdateThread.start();
	}

	@Override
	public void shutdown() {
		if(statisticsUpdateThread != null) {
			statisticsUpdateThread.interrupt();
		}
		
		statisticsUpdateThread = null;
	}

	@Override
	public String getServicename() {
		return "Statistics update service";
	}

}