Pool.java
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上传日期:2018-01-08
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- /**
- * 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>();
- public Pool(String name) {
- this.name = name;
- }
-
- public Collection<JobInProgress> getJobs() {
- return jobs;
- }
-
- public void addJob(JobInProgress job) {
- jobs.add(job);
- }
-
- public void removeJob(JobInProgress job) {
- jobs.remove(job);
- }
-
- public String getName() {
- return name;
- }
- public boolean isDefaultPool() {
- return Pool.DEFAULT_POOL_NAME.equals(name);
- }
- }