TrivialJobParametersIncrementer.java

/*
 * Copyright 2009-2010 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.admin.sample;

import org.springframework.batch.core.JobParameter;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.JobParametersIncrementer;

import java.util.HashMap;
import java.util.Map;

public class TrivialJobParametersIncrementer implements JobParametersIncrementer {

    public JobParameters getNext(JobParameters parameters) {
        Map<String, JobParameter> map = new HashMap<String, JobParameter>(parameters.getParameters());
        map.put("run.count", new JobParameter(parameters.getLong("run.count", -1) + 1));
        return new JobParameters(map);
    }

}