io.netty.channel.unix

类 FileDescriptor

java.lang.Object

io.netty.channel.unix.FileDescriptor

直接已知子类:

Socket

public class FileDescriptor
extends java.lang.Object

Native FileDescriptor implementation which allows to wrap an int and provide a FileDescriptor for it.

构造器概要

构造器

构造器和说明
FileDescriptor(int fd)

方法概要

限定符和类型	方法和说明
void	close() Close the file descriptor.
boolean	equals(java.lang.Object o)
static FileDescriptor	from(java.io.File file) Open a new FileDescriptor for the given File.
static FileDescriptor	from(java.lang.String path) Open a new FileDescriptor for the given path.
int	hashCode()
int	intValue() Return the int value of the filedescriptor.
boolean	isOpen() Returns true if the file descriptor is open.
protected boolean	markClosed()
static FileDescriptor[]	pipe()
int	read(java.nio.ByteBuffer buf, int pos, int limit)
int	readAddress(long address, int pos, int limit)
java.lang.String	toString()
int	write(java.nio.ByteBuffer buf, int pos, int limit)
int	writeAddress(long address, int pos, int limit)
long	writev(java.nio.ByteBuffer[] buffers, int offset, int length, long maxBytesToWrite)
long	writevAddresses(long memoryAddress, int length)

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

构造器详细资料

FileDescriptor

public FileDescriptor(int fd)

方法详细资料

intValue

public final int intValue()

Return the int value of the filedescriptor.

markClosed

protected boolean markClosed()

close

public void close()
           throws java.io.IOException

Close the file descriptor.

抛出:

java.io.IOException

isOpen

public boolean isOpen()

Returns true if the file descriptor is open.

write

public final int write(java.nio.ByteBuffer buf,
                       int pos,
                       int limit)
                throws java.io.IOException

抛出:

java.io.IOException

writeAddress

public final int writeAddress(long address,
                              int pos,
                              int limit)
                       throws java.io.IOException

抛出:

java.io.IOException

writev

public final long writev(java.nio.ByteBuffer[] buffers,
                         int offset,
                         int length,
                         long maxBytesToWrite)
                  throws java.io.IOException

抛出:

java.io.IOException

writevAddresses

public final long writevAddresses(long memoryAddress,
                                  int length)
                           throws java.io.IOException

抛出:

java.io.IOException

read

public final int read(java.nio.ByteBuffer buf,
                      int pos,
                      int limit)
               throws java.io.IOException

抛出:

java.io.IOException

readAddress

public final int readAddress(long address,
                             int pos,
                             int limit)
                      throws java.io.IOException

抛出:

java.io.IOException

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object

equals

public boolean equals(java.lang.Object o)

覆盖:

equals 在类中 java.lang.Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object

from

public static FileDescriptor from(java.lang.String path)
                           throws java.io.IOException

Open a new FileDescriptor for the given path.

抛出:

java.io.IOException

from

public static FileDescriptor from(java.io.File file)
                           throws java.io.IOException

Open a new FileDescriptor for the given File.

抛出:

java.io.IOException

pipe

public static FileDescriptor[] pipe()
                             throws java.io.IOException

返回:

[0] = read end, [1] = write end

抛出:

java.io.IOException