| /** |
| * 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.ambari.metrics.core.loadsimulator.data; |
| |
| /** |
| * AppId is a helper class that encapsulates the common part of metrics message. |
| * It contains hostName, appId and instanceId. It is immutable, |
| * and it can not hold null values. |
| */ |
| public final class ApplicationInstance { |
| |
| private final transient String hostName; |
| private final transient AppID appId; |
| private final transient String instanceId; |
| |
| /** |
| * @param hostname |
| * @param appId |
| * @param instanceId |
| */ |
| public ApplicationInstance(String hostname, AppID appId, String instanceId) { |
| if (hostname == null || appId == null || instanceId == null) |
| throw new IllegalArgumentException("ApplicationInstance can not be " + |
| "instantiated with null values"); |
| |
| this.hostName = hostname; |
| this.appId = appId; |
| this.instanceId = instanceId; |
| } |
| |
| public String getInstanceId() { |
| return instanceId; |
| } |
| |
| public AppID getAppId() { |
| return appId; |
| } |
| |
| public String getHostName() { |
| return hostName; |
| } |
| |
| } |