| /* |
| * 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 org.apache.twill.api.RuntimeSpecification; |
| |
| /** |
| * Package private class to help AM to track in progress container request. |
| */ |
| final class ProvisionRequest { |
| private final RuntimeSpecification runtimeSpec; |
| private final String requestId; |
| private int requestCount; |
| private final AllocationSpecification.Type type; |
| |
| ProvisionRequest(RuntimeSpecification runtimeSpec, String requestId, int requestCount) { |
| this(runtimeSpec, requestId, requestCount, AllocationSpecification.Type.DEFAULT); |
| } |
| |
| ProvisionRequest(RuntimeSpecification runtimeSpec, String requestId, int requestCount, |
| AllocationSpecification.Type type) { |
| this.runtimeSpec = runtimeSpec; |
| this.requestId = requestId; |
| this.requestCount = requestCount; |
| this.type = type; |
| } |
| |
| RuntimeSpecification getRuntimeSpec() { |
| return runtimeSpec; |
| } |
| |
| String getRequestId() { |
| return requestId; |
| } |
| |
| /** |
| * Called to notify a container has been provision for this request. |
| * @return {@code true} if the requested container count has been provisioned. |
| */ |
| boolean containerAcquired() { |
| requestCount--; |
| return requestCount == 0; |
| } |
| |
| AllocationSpecification.Type getType() { |
| return this.type; |
| } |
| } |