类 org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier
的使用

使用BlockTokenIdentifier的程序包

程序包	说明
org.apache.hadoop.hdfs	A distributed implementation of FileSystem.
org.apache.hadoop.hdfs.protocol
org.apache.hadoop.hdfs.security.token.block
org.apache.hadoop.hdfs.server.datanode
org.apache.hadoop.hdfs.server.namenode

org.apache.hadoop.hdfs中BlockTokenIdentifier的使用

类型变量类型为BlockTokenIdentifier的org.apache.hadoop.hdfs中的方法参数

限定符和类型	方法和说明
static BlockReader	DFSClient.RemoteBlockReader.newBlockReader(Socket sock, String file, long blockId, Token<BlockTokenIdentifier> accessToken, long genStamp, long startOffset, long len, int bufferSize)
static BlockReader	DFSClient.RemoteBlockReader.newBlockReader(Socket sock, String file, long blockId, Token<BlockTokenIdentifier> accessToken, long genStamp, long startOffset, long len, int bufferSize, boolean verifyChecksum) Creates a new BlockReader for the given blockId.
static BlockReader	DFSClient.RemoteBlockReader.newBlockReader(Socket sock, String file, long blockId, Token<BlockTokenIdentifier> accessToken, long genStamp, long startOffset, long len, int bufferSize, boolean verifyChecksum, String clientName)

org.apache.hadoop.hdfs.protocol中BlockTokenIdentifier的使用

返回变量类型为BlockTokenIdentifier的类型的org.apache.hadoop.hdfs.protocol中的方法

限定符和类型	方法和说明
Token<BlockTokenIdentifier>	LocatedBlock.getBlockToken()

类型变量类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.protocol中的方法参数

限定符和类型	方法和说明
BlockLocalPathInfo	ClientDatanodeProtocol.getBlockLocalPathInfo(Block block, Token<BlockTokenIdentifier> token) Retrieves the path names of the block file and metadata file stored on the local file system.
void	LocatedBlock.setBlockToken(Token<BlockTokenIdentifier> token)

org.apache.hadoop.hdfs.security.token.block中BlockTokenIdentifier的使用

类型参数类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.security.token.block中的字段

限定符和类型	字段和说明
static Token<BlockTokenIdentifier>	BlockTokenSecretManager.DUMMY_TOKEN

返回BlockTokenIdentifier的org.apache.hadoop.hdfs.security.token.block中的方法

限定符和类型	方法和说明
BlockTokenIdentifier	BlockTokenSecretManager.createIdentifier() Create an empty block token identifier

返回变量类型为BlockTokenIdentifier的类型的org.apache.hadoop.hdfs.security.token.block中的方法

限定符和类型	方法和说明
Token<BlockTokenIdentifier>	BlockTokenSecretManager.generateToken(Block block, EnumSet<BlockTokenSecretManager.AccessMode> modes) Generate an block token for current user
Token<BlockTokenIdentifier>	BlockTokenSecretManager.generateToken(long[] blockIds, EnumSet<BlockTokenSecretManager.AccessMode> modes) Generate a block token for the current user based on a collection of blockIds
Token<BlockTokenIdentifier>	BlockTokenSecretManager.generateToken(String userId, Block block, EnumSet<BlockTokenSecretManager.AccessMode> modes) Generate a block token for a specified user
Token<BlockTokenIdentifier>	BlockTokenSecretManager.generateToken(String userID, long[] blockIds, EnumSet<BlockTokenSecretManager.AccessMode> modes) Generate a block token based on a collection of blockIds
Token<BlockTokenIdentifier>	BlockTokenSelector.selectToken(Text service, Collection<Token<? extends TokenIdentifier>> tokens)

参数类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.security.token.block中的方法

限定符和类型	方法和说明
void	BlockTokenSecretManager.checkAccess(BlockTokenIdentifier id, String userId, Block block, BlockTokenSecretManager.AccessMode mode) Check if access should be allowed. userID is not checked if null.
protected byte[]	BlockTokenSecretManager.createPassword(BlockTokenIdentifier identifier) Create a new password/secret for the given block token identifier.
byte[]	BlockTokenSecretManager.retrievePassword(BlockTokenIdentifier identifier) Look up the token password/secret for the given block token identifier.

类型变量类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.security.token.block中的方法参数

限定符和类型	方法和说明
void	BlockTokenSecretManager.checkAccess(Token<BlockTokenIdentifier> token, String userId, Block block, BlockTokenSecretManager.AccessMode mode) Check if access should be allowed. userID is not checked if null

org.apache.hadoop.hdfs.server.datanode中BlockTokenIdentifier的使用

类型变量类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.server.datanode中的方法参数

限定符和类型	方法和说明
BlockLocalPathInfo	DataNode.getBlockLocalPathInfo(Block block, Token<BlockTokenIdentifier> token)

org.apache.hadoop.hdfs.server.namenode中BlockTokenIdentifier的使用

类型变量类型为BlockTokenIdentifier的org.apache.hadoop.hdfs.server.namenode中的方法参数

限定符和类型	方法和说明
void	JspHelper.streamBlockInAscii(InetSocketAddress addr, long blockId, Token<BlockTokenIdentifier> accessToken, long genStamp, long blockSize, long offsetIntoBlock, long chunkSizeToView, javax.servlet.jsp.JspWriter out, Configuration conf)