org.apache.hadoop.fs
Class FSDataOutputStream

java.lang.Object
  extended by java.io.OutputStream
      extended by java.io.FilterOutputStream
          extended by java.io.DataOutputStream
              extended by org.apache.hadoop.fs.FSDataOutputStream
All Implemented Interfaces:
Closeable, DataOutput, Flushable, Syncable

public class FSDataOutputStream
extends DataOutputStream
implements Syncable

Utility that wraps a OutputStream in a DataOutputStream, buffers output through a BufferedOutputStream and creates a checksum file.


Field Summary
 
Fields inherited from class java.io.DataOutputStream
written
 
Fields inherited from class java.io.FilterOutputStream
out
 
Constructor Summary
FSDataOutputStream(OutputStream out)
          Deprecated. 
FSDataOutputStream(OutputStream out, FileSystem.Statistics stats)
           
FSDataOutputStream(OutputStream out, FileSystem.Statistics stats, long startPosition)
           
 
Method Summary
 void close()
           
 long getPos()
           
 OutputStream getWrappedStream()
           
 void sync()
          Synchronize all buffer with the underlying devices.
 
Methods inherited from class java.io.DataOutputStream
flush, size, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF
 
Methods inherited from class java.io.FilterOutputStream
write
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.io.DataOutput
write
 

Constructor Detail

FSDataOutputStream

@Deprecated
public FSDataOutputStream(OutputStream out)
                   throws IOException
Deprecated. 

Throws:
IOException

FSDataOutputStream

public FSDataOutputStream(OutputStream out,
                          FileSystem.Statistics stats)
                   throws IOException
Throws:
IOException

FSDataOutputStream

public FSDataOutputStream(OutputStream out,
                          FileSystem.Statistics stats,
                          long startPosition)
                   throws IOException
Throws:
IOException
Method Detail

getPos

public long getPos()
            throws IOException
Throws:
IOException

close

public void close()
           throws IOException
Specified by:
close in interface Closeable
Overrides:
close in class FilterOutputStream
Throws:
IOException

getWrappedStream

public OutputStream getWrappedStream()

sync

public void sync()
          throws IOException
Synchronize all buffer with the underlying devices.

Specified by:
sync in interface Syncable
Throws:
IOException


Copyright © 2009 The Apache Software Foundation