/** * 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.yarn.server.resourcemanager.rmcontainer; import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; import org.apache.hadoop.yarn.api.records.Container; import org.apache.hadoop.yarn.api.records.ContainerId; import org.apache.hadoop.yarn.api.records.NodeId; import org.apache.hadoop.yarn.api.records.Priority; import org.apache.hadoop.yarn.api.records.Resource; import org.apache.hadoop.yarn.event.EventHandler; /** * Represents the ResourceManager's view of an application container. See * {@link RMContainerImpl} for an implementation. Containers may be in one * of several states, given in {@link RMContainerState}. An RMContainer * instance may exist even if there is no actual running container, such as * when resources are being reserved to fill space for a future container * allocation. */ public interface RMContainer extends EventHandler<RMContainerEvent> { ContainerId getContainerId(); ApplicationAttemptId getApplicationAttemptId(); RMContainerState getState(); Container getContainer(); Resource getReservedResource(); NodeId getReservedNode(); Priority getReservedPriority(); }