| /** |
| * 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.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.ContainerManagementProtocol; |
| import org.apache.hadoop.yarn.util.Records; |
| |
| /** |
| * <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 ContainerManagementProtocol#startContainers(org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest) |
| */ |
| @Public |
| @Stable |
| public abstract class LocalResource { |
| |
| @Public |
| @Stable |
| public static LocalResource newInstance(URL url, LocalResourceType type, |
| LocalResourceVisibility visibility, long size, long timestamp, |
| String pattern) { |
| return newInstance(url, type, visibility, size, timestamp, pattern, false); |
| } |
| |
| @Public |
| @Unstable |
| public static LocalResource newInstance(URL url, LocalResourceType type, |
| LocalResourceVisibility visibility, long size, long timestamp, |
| String pattern, boolean shouldBeUploadedToSharedCache) { |
| LocalResource resource = Records.newRecord(LocalResource.class); |
| resource.setResource(url); |
| resource.setType(type); |
| resource.setVisibility(visibility); |
| resource.setSize(size); |
| resource.setTimestamp(timestamp); |
| resource.setPattern(pattern); |
| resource.setShouldBeUploadedToSharedCache(shouldBeUploadedToSharedCache); |
| return resource; |
| } |
| |
| @Public |
| @Stable |
| public static LocalResource newInstance(URL url, LocalResourceType type, |
| LocalResourceVisibility visibility, long size, long timestamp) { |
| return newInstance(url, type, visibility, size, timestamp, null); |
| } |
| |
| @Public |
| @Unstable |
| public static LocalResource newInstance(URL url, LocalResourceType type, |
| LocalResourceVisibility visibility, long size, long timestamp, |
| boolean shouldBeUploadedToSharedCache) { |
| return newInstance(url, type, visibility, size, timestamp, null, |
| shouldBeUploadedToSharedCache); |
| } |
| |
| /** |
| * Get the <em>location</em> of the resource to be localized. |
| * @return <em>location</em> of the resource to be localized |
| */ |
| @Public |
| @Stable |
| public abstract URL getResource(); |
| |
| /** |
| * Set <em>location</em> of the resource to be localized. |
| * @param resource <em>location</em> of the resource to be localized |
| */ |
| @Public |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract 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 |
| @Stable |
| public abstract void setPattern(String pattern); |
| |
| /** |
| * NM uses it to decide whether if it is necessary to upload the resource to |
| * the shared cache |
| * @return true if it is necessary to upload the resource |
| * to the shared cache, |
| * false otherwise |
| */ |
| @Public |
| @Unstable |
| public abstract boolean getShouldBeUploadedToSharedCache(); |
| |
| /** |
| * Inform NM whether upload to SCM is needed. |
| * |
| * @param shouldBeUploadedToSharedCache <em>shouldBeUploadedToSharedCache</em> |
| * of this request |
| */ |
| @Public |
| @Unstable |
| public abstract void setShouldBeUploadedToSharedCache( |
| boolean shouldBeUploadedToSharedCache); |
| } |