001/*
002 * Copyright 2006-2007 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.springframework.batch.sample.loop;
017
018import org.springframework.batch.core.JobExecution;
019import org.springframework.batch.core.StepExecution;
020import org.springframework.batch.core.job.flow.FlowExecutionStatus;
021import org.springframework.batch.core.job.flow.JobExecutionDecider;
022
023/**
024 * This decider will return "CONTINUE" until the limit it reached, at which
025 * point it will return "COMPLETE".
026 * 
027 * @author Dan Garrette
028 * @since 2.0
029 */
030public class LimitDecider implements JobExecutionDecider {
031
032        private int count = 0;
033
034        private int limit = 1;
035
036        @Override
037        public FlowExecutionStatus decide(JobExecution jobExecution, StepExecution stepExecution) {
038                if (++count >= limit) {
039                        return new FlowExecutionStatus("COMPLETED");
040                }
041                else {
042                        return new FlowExecutionStatus("CONTINUE");
043                }
044        }
045
046        /**
047         * @param limit number of times to return "CONTINUE"
048         */
049        public void setLimit(int limit) {
050                this.limit = limit;
051        }
052}