| Package | Description | 
|---|---|
| org.apache.hadoop.fs | Implementations of  AbstractFileSystemfor hdfs
    over rpc and hdfs over web. | 
| org.apache.hadoop.hdfs.client | This package provides the administrative APIs for HDFS. | 
| org.apache.hadoop.hdfs.protocolPB | Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements. | 
| Modifier and Type | Method and Description | 
|---|---|
| static CacheFlag | CacheFlag. valueOf(String name)Returns the enum constant of this type with the specified name. | 
| static CacheFlag[] | CacheFlag. values()Returns an array containing the constants of this enum type, in
the order they are declared. | 
| Modifier and Type | Method and Description | 
|---|---|
| long | HdfsAdmin. addCacheDirective(CacheDirectiveInfo info,
                 EnumSet<CacheFlag> flags)Add a new CacheDirectiveInfo. | 
| void | HdfsAdmin. modifyCacheDirective(CacheDirectiveInfo info,
                    EnumSet<CacheFlag> flags)Modify a CacheDirective. | 
| Modifier and Type | Method and Description | 
|---|---|
| static EnumSet<CacheFlag> | PBHelperClient. convertCacheFlags(int flags) | 
| Modifier and Type | Method and Description | 
|---|---|
| static int | PBHelperClient. convertCacheFlags(EnumSet<CacheFlag> flags) | 
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