org.springframework.batch.core.configuration.support.GroupAwareJob Maven / Gradle / Ivy
/*
* Copyright 2006-2018 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.configuration.support;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobParametersIncrementer;
import org.springframework.batch.core.JobParametersValidator;
import org.springframework.lang.Nullable;
import org.springframework.util.ClassUtils;
/**
* A {@link Job} that can optionally prepend a group name to another job's name,
* to make it fit a naming convention for type or origin. E.g. the source job
* might be overnightJob
and the group
* financeDepartment
, which would result in a {@link Job} with
* identical functionality but named financeDepartment.overnightJob
* . The use of a "." separator for elements is deliberate, since it is a "safe"
* character in a URL.
*
*
* @author Dave Syer
* @author Mahmoud Ben Hassine
*
*/
public class GroupAwareJob implements Job {
/**
* The separator between group and delegate job names in the final name
* given to this job.
*/
private static final String SEPARATOR = ".";
private final Job delegate;
private final String groupName;
/**
* Create a new {@link Job} with the delegate and no group name.
*
* @param delegate a delegate for the features of a regular Job
*/
public GroupAwareJob(Job delegate) {
this(null, delegate);
}
/**
* Create a new {@link Job} with the given group name and delegate.
*
* @param groupName the group name to prepend (can be {@code null})
* @param delegate a delegate for the features of a regular Job
*/
public GroupAwareJob(@Nullable String groupName, Job delegate) {
super();
this.groupName = groupName;
this.delegate = delegate;
}
@Override
public void execute(JobExecution execution) {
delegate.execute(execution);
}
/**
* Concatenates the group name and the delegate job name (joining with a
* ".").
*
* @see org.springframework.batch.core.Job#getName()
*/
@Override
public String getName() {
return groupName==null ? delegate.getName() : groupName + SEPARATOR + delegate.getName();
}
@Override
public boolean isRestartable() {
return delegate.isRestartable();
}
@Override
@Nullable
public JobParametersIncrementer getJobParametersIncrementer() {
return delegate.getJobParametersIncrementer();
}
@Override
public JobParametersValidator getJobParametersValidator() {
return delegate.getJobParametersValidator();
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof GroupAwareJob) {
return ((GroupAwareJob) obj).delegate.equals(delegate);
}
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public String toString() {
return ClassUtils.getShortName(delegate.getClass()) + ": [name=" + getName() + "]";
}
}