| /* |
| * 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.twill.internal.appmaster; |
| |
| import com.google.common.base.Objects; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| |
| /** |
| * This class defines how the containers should be allocated. |
| */ |
| public class AllocationSpecification { |
| |
| /** |
| * Defines different types of allocation strategies. |
| */ |
| enum Type { |
| ALLOCATE_ONE_INSTANCE_AT_A_TIME, |
| DEFAULT |
| } |
| |
| /** |
| * Resource specification of runnables. |
| */ |
| private Resource resource; |
| |
| /** |
| * Allocation strategy Type. |
| */ |
| private Type type; |
| |
| /** |
| * Name of runnable. Set to null if the class represents more than one runnable. |
| */ |
| private String runnableName; |
| |
| /** |
| * Instance number for the runnable. Set to 0 if the class represents more than one instance / runnable. |
| */ |
| private int instanceId; |
| |
| public AllocationSpecification(Resource resource) { |
| this(resource, Type.DEFAULT, null, 0); |
| } |
| |
| public AllocationSpecification(Resource resource, Type type, String runnableName, int instanceId) { |
| this.resource = resource; |
| this.type = type; |
| this.runnableName = runnableName; |
| this.instanceId = instanceId; |
| } |
| |
| public Resource getResource() { |
| return this.resource; |
| } |
| |
| public Type getType() { |
| return this.type; |
| } |
| |
| public String getRunnableName() { |
| return this.runnableName; |
| } |
| |
| public int getInstanceId() { |
| return this.instanceId; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof AllocationSpecification)) { |
| return false; |
| } |
| AllocationSpecification other = (AllocationSpecification) obj; |
| return (instanceId == other.instanceId) && |
| Objects.equal(resource, other.resource) && |
| Objects.equal(type, other.type) && |
| Objects.equal(runnableName, other.runnableName); |
| } |
| |
| @Override |
| public int hashCode() { |
| return this.resource.hashCode(); |
| } |
| } |