org.apache.hudi.hadoop.fs

Class TimedFSDataInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.DataInputStream

org.apache.hadoop.fs.FSDataInputStream

org.apache.hudi.hadoop.fs.TimedFSDataInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, org.apache.hadoop.fs.ByteBufferPositionedReadable, org.apache.hadoop.fs.ByteBufferReadable, org.apache.hadoop.fs.CanSetDropBehind, org.apache.hadoop.fs.CanSetReadahead, org.apache.hadoop.fs.CanUnbuffer, org.apache.hadoop.fs.HasEnhancedByteBufferAccess, org.apache.hadoop.fs.HasFileDescriptor, org.apache.hadoop.fs.PositionedReadable, org.apache.hadoop.fs.Seekable, org.apache.hadoop.fs.StreamCapabilities

public class TimedFSDataInputStream
extends org.apache.hadoop.fs.FSDataInputStream

Wrapper over FSDataInputStream that also times the operations.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.fs.StreamCapabilities

org.apache.hadoop.fs.StreamCapabilities.StreamCapability

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Fields inherited from interface org.apache.hadoop.fs.StreamCapabilities

DROPBEHIND, HFLUSH, HSYNC, PREADBYTEBUFFER, READAHEAD, READBYTEBUFFER, UNBUFFER

Constructor Summary

Constructors

Constructor and Description
TimedFSDataInputStream(org.apache.hadoop.fs.Path path, org.apache.hadoop.fs.FSDataInputStream in)

Method Summary

Modifier and Type	Method and Description
int	read(ByteBuffer buf)
ByteBuffer	read(org.apache.hadoop.io.ByteBufferPool bufferPool, int maxLength, EnumSet<org.apache.hadoop.fs.ReadOption> opts)
int	read(long position, byte[] buffer, int offset, int length)
void	readFully(long position, byte[] buffer)
void	readFully(long position, byte[] buffer, int offset, int length)

Methods inherited from class org.apache.hadoop.fs.FSDataInputStream

getFileDescriptor, getPos, getWrappedStream, hasCapability, read, read, releaseBuffer, seek, seekToNewSource, setDropBehind, setReadahead, toString, unbuffer

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

TimedFSDataInputStream

public TimedFSDataInputStream(org.apache.hadoop.fs.Path path,
                              org.apache.hadoop.fs.FSDataInputStream in)

Method Detail

read

public int read(ByteBuffer buf)
         throws IOException

Specified by:

read in interface org.apache.hadoop.fs.ByteBufferReadable

Overrides:

read in class org.apache.hadoop.fs.FSDataInputStream

Throws:

IOException

read

public int read(long position,
                byte[] buffer,
                int offset,
                int length)
         throws IOException

Specified by:

read in interface org.apache.hadoop.fs.PositionedReadable

Overrides:

read in class org.apache.hadoop.fs.FSDataInputStream

Throws:

IOException

read

public ByteBuffer read(org.apache.hadoop.io.ByteBufferPool bufferPool,
                       int maxLength,
                       EnumSet<org.apache.hadoop.fs.ReadOption> opts)
                throws IOException,
                       UnsupportedOperationException

Specified by:

read in interface org.apache.hadoop.fs.HasEnhancedByteBufferAccess

Overrides:

read in class org.apache.hadoop.fs.FSDataInputStream

Throws:

IOException

UnsupportedOperationException

readFully

public void readFully(long position,
                      byte[] buffer)
               throws IOException

Specified by:

readFully in interface org.apache.hadoop.fs.PositionedReadable

Overrides:

readFully in class org.apache.hadoop.fs.FSDataInputStream

Throws:

IOException

readFully

public void readFully(long position,
                      byte[] buffer,
                      int offset,
                      int length)
               throws IOException

Specified by:

readFully in interface org.apache.hadoop.fs.PositionedReadable

Overrides:

readFully in class org.apache.hadoop.fs.FSDataInputStream

Throws:

IOException