| Package | Description | 
|---|---|
| java.nio.channels | 
 Defines channels, which represent connections to entities that are capable of
 performing I/O operations, such as files and sockets; defines selectors, for
 multiplexed, non-blocking I/O operations. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
FileLock | 
FileChannel.lock()
Acquires an exclusive lock on this channel's file. 
 | 
abstract FileLock | 
FileChannel.lock(long position,
    long size,
    boolean shared)
Acquires a lock on the given region of this channel's file. 
 | 
FileLock | 
AsynchronousFileChannel.tryLock()
Attempts to acquire an exclusive lock on this channel's file. 
 | 
FileLock | 
FileChannel.tryLock()
Attempts to acquire an exclusive lock on this channel's file. 
 | 
abstract FileLock | 
AsynchronousFileChannel.tryLock(long position,
       long size,
       boolean shared)
Attempts to acquire a lock on the given region of this channel's file. 
 | 
abstract FileLock | 
FileChannel.tryLock(long position,
       long size,
       boolean shared)
Attempts to acquire a lock on the given region of this channel's file. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
Future<FileLock> | 
AsynchronousFileChannel.lock()
Acquires an exclusive lock on this channel's file. 
 | 
abstract Future<FileLock> | 
AsynchronousFileChannel.lock(long position,
    long size,
    boolean shared)
Acquires a lock on the given region of this channel's file. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
<A> void | 
AsynchronousFileChannel.lock(A attachment,
    CompletionHandler<FileLock,? super A> handler)
Acquires an exclusive lock on this channel's file. 
 | 
abstract <A> void | 
AsynchronousFileChannel.lock(long position,
    long size,
    boolean shared,
    A attachment,
    CompletionHandler<FileLock,? super A> handler)
Acquires a lock on the given region of this channel's file. 
 | 
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