org.apache.iotdb.hadoop.fileSystem

类 HDFSInput

java.lang.Object

org.apache.iotdb.hadoop.fileSystem.HDFSInput

所有已实现的接口:

TsFileInput

public class HDFSInput
extends Object
implements TsFileInput

构造器概要

构造器

构造器和说明
HDFSInput(org.apache.hadoop.fs.Path path, org.apache.hadoop.conf.Configuration configuration)
HDFSInput(String filePath)
HDFSInput(String filePath, org.apache.hadoop.conf.Configuration configuration)

方法概要

限定符和类型	方法和说明
void	close()
String	getFilePath()
long	position()
TsFileInput	position(long newPosition)
int	read()
int	read(byte[] b, int off, int len)
int	read(ByteBuffer dst)
int	read(ByteBuffer dst, long position)
int	readInt()
String	readVarIntString(long position)
long	size()
FileChannel	wrapAsFileChannel()
InputStream	wrapAsInputStream()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

HDFSInput

public HDFSInput(String filePath)
          throws IOException

抛出:

IOException

HDFSInput

public HDFSInput(String filePath,
                 org.apache.hadoop.conf.Configuration configuration)
          throws IOException

抛出:

IOException

HDFSInput

public HDFSInput(org.apache.hadoop.fs.Path path,
                 org.apache.hadoop.conf.Configuration configuration)
          throws IOException

抛出:

IOException

方法详细资料

size

public long size()
          throws IOException

指定者:

size 在接口中 TsFileInput

抛出:

IOException

position

public long position()
              throws IOException

指定者:

position 在接口中 TsFileInput

抛出:

IOException

position

public TsFileInput position(long newPosition)
                     throws IOException

指定者:

position 在接口中 TsFileInput

抛出:

IOException

read

public int read(ByteBuffer dst)
         throws IOException

指定者:

read 在接口中 TsFileInput

抛出:

IOException

read

public int read(ByteBuffer dst,
                long position)
         throws IOException

指定者:

read 在接口中 TsFileInput

抛出:

IOException

read

public int read()

指定者:

read 在接口中 TsFileInput

read

public int read(byte[] b,
                int off,
                int len)

指定者:

read 在接口中 TsFileInput

wrapAsFileChannel

public FileChannel wrapAsFileChannel()

指定者:

wrapAsFileChannel 在接口中 TsFileInput

wrapAsInputStream

public InputStream wrapAsInputStream()

指定者:

wrapAsInputStream 在接口中 TsFileInput

close

public void close()
           throws IOException

指定者:

close 在接口中 TsFileInput

抛出:

IOException

readInt

public int readInt()

指定者:

readInt 在接口中 TsFileInput

readVarIntString

public String readVarIntString(long position)
                        throws IOException

指定者:

readVarIntString 在接口中 TsFileInput

抛出:

IOException

getFilePath

public String getFilePath()

指定者:

getFilePath 在接口中 TsFileInput