com.google.appengine.api.files
Class RecordWriteChannelImpl

java.lang.Object
  com.google.appengine.api.files.RecordWriteChannelImpl

All Implemented Interfaces:

RecordWriteChannel, java.io.Closeable, java.nio.channels.Channel, java.nio.channels.WritableByteChannel

public final class RecordWriteChannelImpl
extends java.lang.Object
implements RecordWriteChannel

An implementation of a RecordWriteChannel.

Constructor Summary

RecordWriteChannelImpl(FileWriteChannel output)

Method Summary

void	close() Closes and finalizes the RecordWriteChannel.
void	closeFinally() Closes the file.
boolean	isOpen()
int	write(java.nio.ByteBuffer data)
int	write(java.nio.ByteBuffer data, java.lang.String sequenceKey) Writes the data out to FileWriteChannel.

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordWriteChannelImpl

public RecordWriteChannelImpl(FileWriteChannel output)

Parameters:

output - a FileWriteChannel to write the record to.

Method Detail

write

public int write(java.nio.ByteBuffer data)
          throws java.io.IOException

Specified by:

write in interface java.nio.channels.WritableByteChannel

Throws:

java.io.IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface java.nio.channels.Channel

write

public int write(java.nio.ByteBuffer data,
                 java.lang.String sequenceKey)
          throws java.io.IOException

Writes the data out to FileWriteChannel.

Specified by:

write in interface RecordWriteChannel

Throws:

java.io.IOException

See Also:

FileWriteChannel.write(ByteBuffer, String)

closeFinally

public void closeFinally()
                  throws java.lang.IllegalStateException,
                         java.io.IOException

Closes the file.

Specified by:

closeFinally in interface RecordWriteChannel

Throws:

java.lang.IllegalStateException

java.io.IOException

See Also:

FileWriteChannel.closeFinally()

close

public void close()
           throws java.io.IOException

Closes and finalizes the RecordWriteChannel.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.nio.channels.Channel

Throws:

java.io.IOException