/* * Copyright 2014 Effektif GmbH. * * 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 com.effektif.workflow.impl.job; /** Use {@link AbstractJobType} to leverage the default * retry strategy. * * @author Walter White */ public interface JobType { /** one less then the total number of attempts before giving up. * So returning 0 means only 1 attempt is done and no retries. */ int getMaxRetries(); /** @param retry indicates the sequence number for the retry to be * scheduled for the job to implement incremental backoff, so it * will be 1 the first time. */ int getRetryDelayInSeconds(long retry); /** invoked when a job is due. * RuntimeException's will cause the JobService to retry as * configured with {@link #getMaxRetries()} and {@link #getRetryDelayInSeconds(long)}. * So execute should NOT call {@link JobController#rescheduleFor(org.joda.time.LocalDateTime) reschedule} * methods for retry. */ void execute(JobController jobController); }