/*
 * Copyright 2006-2007 the original author or authors.
 *
 * 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.springframework.batch.retry.backoff;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * Simple {@link Sleeper} implementation that just waits on a local Object.
 * 
 * @author Dave Syer
 * 
 */
public class DummySleeper implements Sleeper {

	private List backOffs = new ArrayList();

	/**
	 * Public getter for the long.
	 * @return the lastBackOff
	 */
	public long getLastBackOff() {
		return ((Long) backOffs.get(backOffs.size()-1)).longValue();
	}
	
	public long[] getBackOffs() {
		long[] result = new long[backOffs.size()];
		int i = 0;
		for (Iterator iterator = backOffs.iterator(); iterator.hasNext();) {
			Long value = (Long) iterator.next();
			result[i++] =value.longValue(); 
		}
		return result ;
	}

	/*
	 * (non-Javadoc)
	 * @see org.springframework.batch.retry.backoff.Sleeper#sleep(long)
	 */
	public void sleep(long backOffPeriod) throws InterruptedException {
		this.backOffs.add(new Long(backOffPeriod));
	}

}
