com.faunos.util.io
Class LockProtectedFileChannel

java.lang.Object
  java.nio.channels.spi.AbstractInterruptibleChannel
      java.nio.channels.FileChannel
          com.faunos.util.io.FilterFileChannel
              com.faunos.util.io.LockProtectedFileChannel

All Implemented Interfaces:

Closeable, ByteChannel, Channel, GatheringByteChannel, InterruptibleChannel, ReadableByteChannel, ScatteringByteChannel, WritableByteChannel

public class LockProtectedFileChannel
extends FilterFileChannel

A FilterFileChannel that prevents locking any part of the underlying file channel. Invoking any of the methods overridden in this class raises an UnsupportedOperationException.

Author:

Babak Farhang

Nested Class Summary

Nested classes/interfaces inherited from class com.faunos.util.io.FilterFileChannel

FilterFileChannel.FilterFileLock

Nested classes/interfaces inherited from class java.nio.channels.FileChannel

FileChannel.MapMode

Field Summary

Fields inherited from class com.faunos.util.io.FilterFileChannel

inner

Constructor Summary

LockProtectedFileChannel(FileChannel inner)

Method Summary

FileLock	lock(long position, long size, boolean shared)
FileLock	tryLock(long position, long size, boolean shared)

Methods inherited from class com.faunos.util.io.FilterFileChannel

checkReadAccess, checkWriteAccess, force, implCloseChannel, implCreateFileLock, map, position, position, read, read, read, size, transferFrom, transferTo, truncate, write, write, write

Methods inherited from class java.nio.channels.FileChannel

lock, read, tryLock, write

Methods inherited from class java.nio.channels.spi.AbstractInterruptibleChannel

begin, close, end, isOpen

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Methods inherited from interface java.nio.channels.Channel

close, isOpen

Constructor Detail

LockProtectedFileChannel

public LockProtectedFileChannel(FileChannel inner)

Parameters:

inner -

Method Detail

lock

public FileLock lock(long position,
                     long size,
                     boolean shared)
              throws IOException

Overrides:

lock in class FilterFileChannel

Throws:

IOException

tryLock

public FileLock tryLock(long position,
                        long size,
                        boolean shared)
                 throws IOException

Overrides:

tryLock in class FilterFileChannel

Throws:

IOException