java.io
Class FileDescriptor

java.lang.Object
  java.io.FileDescriptor

public final class FileDescriptor
extends Object

Wrapper for a low-level "file descriptor".

Compliance: J2SE: 1.4 incomplete

Unimplemented

• public static final FileDescriptor in

• public static final FileDescriptor out

• public static final FileDescriptor err

Constructor Summary

FileDescriptor()
Construct an invalid instance.

Method Summary

void	sync() Sync any unbuffered data to stable storage.
boolean	valid() Return whether or not this instance is valid.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileDescriptor

public FileDescriptor()

Construct an invalid instance.

Method Detail

valid

public boolean valid()

Return whether or not this instance is valid.

Returns:

true iff this instance is valid

sync

public void sync()
          throws SyncFailedException

Sync any unbuffered data to stable storage.

Throws:

SyncFailedException