FinalPolicy.java

/**
 * 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.falcon.rerun.policy;

import org.apache.falcon.FalconException;
import org.apache.falcon.entity.v0.Frequency;

import java.util.Date;

/**
 * An implementation of the Rerun policy that does rerun only once.
 */
public class FinalPolicy extends AbstractRerunPolicy {

    @Override
    public long getDelay(Frequency delay, int eventNumber) throws FalconException {
        return 0;
    }

    @Override
    public long getDelay(Frequency delay, Date nominalTime, Date cutOffTime) throws FalconException {
        return (cutOffTime.getTime() - nominalTime.getTime());
    }
}