hadoop CreateEncryptionZoneFlag 源码
haddop CreateEncryptionZoneFlag 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/CreateEncryptionZoneFlag.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.hdfs.client;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* CreateEncryptionZoneFlag is used in
* {@link HdfsAdmin#createEncryptionZone(Path, String, EnumSet)} to indicate
* what should be done when creating an encryption zone.
*
* Use CreateEncryptionZoneFlag as follows:
* <ol>
* <li>PROVISION_TRASH - provision a trash directory for the encryption zone
* to support soft delete.</li>
* </ol>
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public enum CreateEncryptionZoneFlag {
/**
* Do not provision a trash directory in the encryption zone.
*
* @see CreateEncryptionZoneFlag#NO_TRASH
*/
NO_TRASH((short) 0x00),
/**
* Provision a trash directory .Trash/ in the
* encryption zone.
*
* @see CreateEncryptionZoneFlag#PROVISION_TRASH
*/
PROVISION_TRASH((short) 0x01);
private final short mode;
CreateEncryptionZoneFlag(short mode) {
this.mode = mode;
}
public static CreateEncryptionZoneFlag valueOf(short mode) {
for (CreateEncryptionZoneFlag flag : CreateEncryptionZoneFlag.values()) {
if (flag.getMode() == mode) {
return flag;
}
}
return null;
}
public short getMode() {
return mode;
}
}
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