hadoop DeletionAsUserContext 源码
haddop DeletionAsUserContext 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/executor/DeletionAsUserContext.java
/*
* *
* 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.nodemanager.executor;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.Path;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Encapsulates information required for deletions as a given user.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public final class DeletionAsUserContext {
private final String user;
private final Path subDir;
private final List<Path> basedirs;
public static final class Builder {
private String user;
private Path subDir;
private List<Path> basedirs;
public Builder() {
}
public Builder setUser(String user) {
this.user = user;
return this;
}
public Builder setSubDir(Path subDir) {
this.subDir = subDir;
return this;
}
public Builder setBasedirs(Path... basedirs) {
this.basedirs = Arrays.asList(basedirs);
return this;
}
public DeletionAsUserContext build() {
return new DeletionAsUserContext(this);
}
}
private DeletionAsUserContext(Builder builder) {
this.user = builder.user;
this.subDir = builder.subDir;
this.basedirs = builder.basedirs;
}
public String getUser() {
return this.user;
}
public Path getSubDir() {
return this.subDir;
}
public List<Path> getBasedirs() {
if (this.basedirs != null) {
return Collections.unmodifiableList(this.basedirs);
} else {
return null;
}
}
}
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