com.gc.iotools.stream.store
Class OnOffStore

java.lang.Object
  com.gc.iotools.stream.store.OnOffStore

All Implemented Interfaces:

SeekableStore, Store

public class OnOffStore
extends Object
implements SeekableStore

OnOffStore class.

Version:

$Id: OnOffStore.java 463 2011-01-21 23:54:17Z dvd.smnt@gmail.com $

Author:

gcontini

Constructor Summary

OnOffStore(SeekableStore store)
Constructor for OnOffStore.

Method Summary

void	cleanup() Cleans up the Store.
void	enable(boolean enable) enable
int	get(byte[] bytes, int offset, int length) gets length bytes from the store.
void	put(byte[] bytes, int offset, int length) put
void	seek(long position) Reposition this Store on a previously read position.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnOffStore

public OnOffStore(SeekableStore store)

Constructor for OnOffStore.

Parameters:

store - a SeekableStore object.

Method Detail

cleanup

public void cleanup()

Cleans up the Store. Forget all the data previously stored.

Specified by:

cleanup in interface Store

enable

public void enable(boolean enable)

enable

Parameters:

enable - a boolean.

get

public int get(byte[] bytes,
               int offset,
               int length)
        throws IOException

gets length bytes from the store.

Specified by:

get in interface Store

Parameters:

bytes - array where to put the data in.

offset - offset in the array to start put the data.

length - length of the bytes got from the store.

Returns:

number of bytes effectively put in the array or -1 if the Store was empty.

Throws:

IOException - when an error occurs in the store, and data can't be retrieved.

put

public void put(byte[] bytes,
                int offset,
                int length)
         throws IOException

put

Specified by:

put in interface Store

Parameters:

bytes - an array of byte.

offset - a int.

length - a int.

Throws:

IOException - if any.

seek

public void seek(long position)
          throws IOException

Reposition this Store on a previously read position.

Specified by:

seek in interface SeekableStore

Parameters:

position - position to read the data from.

Throws:

IOException - If some error in the internal store happens.

EOFException - If a position is greater than the actual Store size.