| /** |
| * 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.ContainerManager; |
| |
| /** |
| * <p><code>LocalResource</code> represents a local resource required to |
| * run a container.</p> |
| * |
| * <p>The <code>NodeManager</code> is responsible for localizing the resource |
| * prior to launching the container.</p> |
| * |
| * <p>Applications can specify {@link LocalResourceType} and |
| * {@link LocalResourceVisibility}.</p> |
| * |
| * @see LocalResourceType |
| * @see LocalResourceVisibility |
| * @see ContainerLaunchContext |
| * @see ApplicationSubmissionContext |
| * @see ContainerManager#startContainer(org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest) |
| */ |
| @Public |
| @Stable |
| public interface LocalResource { |
| /** |
| * Get the <em>location</em> of the resource to be localized. |
| * @return <em>location</em> of the resource to be localized |
| */ |
| public URL getResource(); |
| |
| /** |
| * Set <em>location</em> of the resource to be localized. |
| * @param resource <em>location</em> of the resource to be localized |
| */ |
| public void setResource(URL resource); |
| |
| /** |
| * Get the <em>size</em> of the resource to be localized. |
| * @return <em>size</em> of the resource to be localized |
| */ |
| public long getSize(); |
| |
| /** |
| * Set the <em>size</em> of the resource to be localized. |
| * @param size <em>size</em> of the resource to be localized |
| */ |
| public void setSize(long size); |
| |
| /** |
| * Get the original <em>timestamp</em> of the resource to be localized, used |
| * for verification. |
| * @return <em>timestamp</em> of the resource to be localized |
| */ |
| public long getTimestamp(); |
| |
| /** |
| * Set the <em>timestamp</em> of the resource to be localized, used |
| * for verification. |
| * @param timestamp <em>timestamp</em> of the resource to be localized |
| */ |
| public void setTimestamp(long timestamp); |
| |
| /** |
| * Get the <code>LocalResourceType</code> of the resource to be localized. |
| * @return <code>LocalResourceType</code> of the resource to be localized |
| */ |
| public LocalResourceType getType(); |
| |
| /** |
| * Set the <code>LocalResourceType</code> of the resource to be localized. |
| * @param type <code>LocalResourceType</code> of the resource to be localized |
| */ |
| public void setType(LocalResourceType type); |
| |
| /** |
| * Get the <code>LocalResourceVisibility</code> of the resource to be |
| * localized. |
| * @return <code>LocalResourceVisibility</code> of the resource to be |
| * localized |
| */ |
| public LocalResourceVisibility getVisibility(); |
| |
| /** |
| * Set the <code>LocalResourceVisibility</code> of the resource to be |
| * localized. |
| * @param visibility <code>LocalResourceVisibility</code> of the resource to be |
| * localized |
| */ |
| public void setVisibility(LocalResourceVisibility visibility); |
| |
| /** |
| * Get the <em>pattern</em> that should be used to extract entries from the |
| * archive (only used when type is <code>PATTERN</code>). |
| * @return <em>pattern</em> that should be used to extract entries from the |
| * archive. |
| */ |
| public String getPattern(); |
| |
| /** |
| * Set the <em>pattern</em> that should be used to extract entries from the |
| * archive (only used when type is <code>PATTERN</code>). |
| * @param pattern <em>pattern</em> that should be used to extract entries |
| * from the archive. |
| */ |
| public void setPattern(String pattern); |
| } |