org.apache.hadoop.fs
Class FSDataInputStream

java.lang.Object
  extended byjava.io.InputStream
      extended byjava.io.FilterInputStream
          extended byjava.io.DataInputStream
              extended byorg.apache.hadoop.fs.FSDataInputStream
All Implemented Interfaces:
DataInput

public class FSDataInputStream
extends DataInputStream

Utility that wraps a FSInputStream in a DataInputStream and buffers input through a BufferedInputStream.


Field Summary
 
Fields inherited from class java.io.FilterInputStream
in
 
Constructor Summary
FSDataInputStream(FileSystem fs, Path file, Configuration conf)
           
FSDataInputStream(FileSystem fs, Path file, int bufferSize, Configuration conf)
           
FSDataInputStream(FSInputStream in, Configuration conf)
          Construct without checksums.
FSDataInputStream(FSInputStream in, int bufferSize)
          Construct without checksums.
 
Method Summary
 long getPos()
           
 void seek(long desired)
           
 
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, toString, wait, wait, wait
 

Constructor Detail

FSDataInputStream

public FSDataInputStream(FileSystem fs,
                         Path file,
                         int bufferSize,
                         Configuration conf)
                  throws IOException

FSDataInputStream

public FSDataInputStream(FileSystem fs,
                         Path file,
                         Configuration conf)
                  throws IOException

FSDataInputStream

public FSDataInputStream(FSInputStream in,
                         Configuration conf)
                  throws IOException
Construct without checksums.


FSDataInputStream

public FSDataInputStream(FSInputStream in,
                         int bufferSize)
                  throws IOException
Construct without checksums.

Method Detail

seek

public void seek(long desired)
          throws IOException
Throws:
IOException

getPos

public long getPos()
            throws IOException
Throws:
IOException


Copyright © 2006 The Apache Software Foundation