Java tutorial
/** * 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.api.records; import org.apache.hadoop.classification.InterfaceAudience.Public; import org.apache.hadoop.classification.InterfaceStability.Stable; import org.apache.hadoop.yarn.api.ContainerManagementProtocol; /** * {@code LocalResourceVisibility} specifies the <em>visibility</em> * of a resource localized by the {@code NodeManager}. * <p> * The <em>visibility</em> can be one of: * <ul> * <li>{@link #PUBLIC} - Shared by all users on the node.</li> * <li> * {@link #PRIVATE} - Shared among all applications of the * <em>same user</em> on the node. * </li> * <li> * {@link #APPLICATION} - Shared only among containers of the * <em>same application</em> on the node. * </li> * </ul> * * @see LocalResource * @see ContainerLaunchContext * @see ApplicationSubmissionContext * @see ContainerManagementProtocol#startContainers(org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest) */ @Public @Stable public enum LocalResourceVisibility { /** * Shared by all users on the node. */ PUBLIC, /** * Shared among all applications of the <em>same user</em> on the node. */ PRIVATE, /** * Shared only among containers of the <em>same application</em> on the node. */ APPLICATION }