/***************************************************************************
* Copyright (c) 2012 VMware, Inc. All Rights Reserved.
* 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.vmware.bdd.service.job;
import java.util.Date;
import java.util.Map;
import java.util.TreeMap;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobParameter;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.step.job.JobParametersExtractor;
import com.vmware.bdd.utils.JobUtils;
/**
* @author Jarred Li
* @version 0.9
* @since 0.9
*
*/
public class SubJobParametersExtractor implements JobParametersExtractor {
/* (non-Javadoc)
* @see org.springframework.batch.core.step.job.JobParametersExtractor#getJobParameters(org.springframework.batch.core.Job, org.springframework.batch.core.StepExecution)
*/
@Override
public JobParameters getJobParameters(Job job, StepExecution stepExecution) {
String stepName = stepExecution.getStepName();
int index = stepName.lastIndexOf("-");
int stepNumber = Integer.parseInt(stepName.substring(index + 1));
JobParameters jobParameters = stepExecution.getJobParameters();
Map<String, JobParameter> jobParametersMap =
jobParameters.getParameters();
Map<String, JobParameter> subJobParameters =
new TreeMap<String, JobParameter>();
for (String key : jobParametersMap.keySet()) {
subJobParameters.put(key, jobParametersMap.get(key));
}
if (jobParametersMap
.containsKey(JobConstants.SUB_JOB_PARAMETERS_NUMBER
+ stepNumber)) {
int jobParametersNumber =
(int) jobParameters
.getLong(JobConstants.SUB_JOB_PARAMETERS_NUMBER
+ stepNumber);
for (int count = 0; count < jobParametersNumber; count++) {
String key =
jobParameters.getString(JobUtils.getSubJobParameterPrefixKey(
stepNumber, count));
JobParameter parameterValue =
jobParametersMap.get(JobUtils.getSubJobParameterPrefixValue(
stepNumber, count));
subJobParameters.put(key, parameterValue);
}
}
subJobParameters.put(JobConstants.TIMESTAMP_JOB_PARAM, new JobParameter(
new Date()));
return new JobParameters(subJobParameters);
}
}