/** * 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 org.apache.falcon.expression.ExpressionHelper; import java.util.Date; /** * Base class for Rerun Policy. */ public abstract class AbstractRerunPolicy { public long getDurationInMilliSec(Frequency frequency) throws FalconException { ExpressionHelper helper = ExpressionHelper.get(); return helper.evaluate(frequency.toString(), Long.class); } public static Date addTime(Date date, int milliSecondsToAdd) { return new Date(date.getTime() + milliSecondsToAdd); } public abstract long getDelay(Frequency delay, int eventNumber) throws FalconException; public abstract long getDelay(Frequency delay, Date nominaltime, Date cutOffTime) throws FalconException; }