Package org.apache.bookkeeper.bookie

Class DefaultFileChannel

java.lang.Object

org.apache.bookkeeper.bookie.DefaultFileChannel

All Implemented Interfaces:

BookieFileChannel

public class DefaultFileChannel
extends Object
implements BookieFileChannel

Default FileChannel for bookie to read and write.

Constructor Summary

Constructors

Constructor	Description
DefaultFileChannel(File file, ServerConfiguration serverConfiguration)

Method Summary

Modifier and Type	Method	Description
void	close()	Close file channel and release all resources.
boolean	fileExists(File file)	Check the given file if exists.
FileDescriptor	getFD()	Get the file descriptor of the opened file.
FileChannel	getFileChannel()	An interface for get the FileChannel from the provider.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultFileChannel

DefaultFileChannel(File file,
 ServerConfiguration serverConfiguration)
            throws IOException

Throws:

IOException

Method Details

getFileChannel

public FileChannel getFileChannel()
                           throws FileNotFoundException

Description copied from interface: BookieFileChannel

An interface for get the FileChannel from the provider.

Specified by:

getFileChannel in interface BookieFileChannel

Returns:

Throws:

FileNotFoundException

fileExists

public boolean fileExists(File file)

Description copied from interface: BookieFileChannel

Check the given file if exists.

Specified by:

fileExists in interface BookieFileChannel

Returns:

getFD

public FileDescriptor getFD()
                     throws IOException

Description copied from interface: BookieFileChannel

Get the file descriptor of the opened file.

Specified by:

getFD in interface BookieFileChannel

Returns:

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: BookieFileChannel

Close file channel and release all resources.

Specified by:

close in interface BookieFileChannel

Throws:

IOException