/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.mapred;
import java.util.ArrayList;
import java.util.Collection;
/**
* A schedulable pool of jobs.
*/
public class Pool {
/** Name of the default pool, where jobs with no pool parameter go. */
public static final String DEFAULT_POOL_NAME = "default";
/** Pool name. */
private String name;
/** Jobs in this specific pool; does not include children pools' jobs. */
private Collection<JobInProgress> jobs = new ArrayList<JobInProgress>();
/** Is this configured in pools.xml? */
private boolean isConfigured;
public Pool(String name, boolean isConfigured) {
this.name = name;
this.isConfigured = isConfigured;
}
public Collection<JobInProgress> getJobs() {
return jobs;
}
public void addJob(JobInProgress job) {
jobs.add(job);
}
/**
* Remove the job from the pool
*
* @param job Job to remove from the pool
* @return True if the job was removed
*/
public boolean removeJob(JobInProgress job) {
return jobs.remove(job);
}
public String getName() {
return name;
}
public boolean isDefaultPool() {
return Pool.DEFAULT_POOL_NAME.equals(name);
}
public boolean isConfiguredPool() {
return isConfigured;
}
}