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JobInstance.java
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JobInstance.java
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/*
* Copyright 2006-2022 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
*
* https://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.core;
import org.springframework.util.Assert;
/**
* Batch domain object representing a uniquely identifiable job run.
* JobInstance can be restarted multiple times in case of execution failure and
* it's lifecycle ends with first successful execution.
*
* Trying to execute an existing JobInstance that has already completed
* successfully will result in error. Error will be raised also for an attempt
* to restart a failed JobInstance if the Job is not restartable.
*
* @see Job
* @see JobParameters
* @see JobExecution
*
* @author Lucas Ward
* @author Dave Syer
* @author Robert Kasanicky
* @author Michael Minella
* @author Mahmoud Ben Hassine
*
*/
@SuppressWarnings("serial")
public class JobInstance extends Entity {
private final String jobName;
/**
* Constructor for {@link JobInstance}.
*
* @param id The instance ID.
* @param jobName The name associated with the {@link JobInstance}.
*/
public JobInstance(Long id, String jobName) {
super(id);
Assert.hasLength(jobName, "A jobName is required");
this.jobName = jobName;
}
/**
* @return the job name. (Equivalent to getJob().getName())
*/
public String getJobName() {
return jobName;
}
@Override
public String toString() {
return super.toString() + ", Job=[" + jobName + "]";
}
/**
* @return The current instance ID.
*/
public long getInstanceId() {
return super.getId();
}
}