bt.data.range

Class SynchronizedBlockSet

java.lang.Object

bt.data.range.SynchronizedBlockSet

All Implemented Interfaces:

BlockSet

public class SynchronizedBlockSet
extends Object
implements BlockSet

Since:

1.2

Constructor Summary

Constructors

Constructor and Description
SynchronizedBlockSet(BlockSet delegate)
SynchronizedBlockSet(BlockSet delegate, SynchronizedRange<?> parentRange)

Method Summary

Modifier and Type	Method and Description
int	blockCount() Get the total number of blocks in this block set.
long	blockSize() Get the size of a block in this set.
void	clear() Reset block presence information (may not perform actual deletion of data)
boolean	isComplete() Shortcut method to determine if all blocks are present
boolean	isEmpty() Shortcut method to determine if no blocks are present
boolean	isPresent(int blockIndex) Check if block is present.
long	lastBlockSize() Get the size of the last block in this set
long	length() Get the total length of this block set

Methods inherited from class java.lang.Object

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

Constructor Detail

SynchronizedBlockSet

public SynchronizedBlockSet(BlockSet delegate)

Since:

1.2

SynchronizedBlockSet

public SynchronizedBlockSet(BlockSet delegate,
                            SynchronizedRange<?> parentRange)

Since:

1.9

Method Detail

blockCount

public int blockCount()

Description copied from interface: BlockSet

Get the total number of blocks in this block set.

Specified by:

blockCount in interface BlockSet

Returns:

Total number of blocks in this block set.

length

public long length()

Description copied from interface: BlockSet

Get the total length of this block set

Specified by:

length in interface BlockSet

Returns:

Total length of this block set

blockSize

public long blockSize()

Description copied from interface: BlockSet

Get the size of a block in this set.

Note that the last block might be smaller due to truncation (i.e. when the chunk's size is not a factor of the size of a block).

Specified by:

blockSize in interface BlockSet

Returns:

Block size

See Also:

BlockSet.lastBlockSize()

lastBlockSize

public long lastBlockSize()

Description copied from interface: BlockSet

Get the size of the last block in this set

Specified by:

lastBlockSize in interface BlockSet

Returns:

Size of the last block

See Also:

BlockSet.blockSize()

isPresent

public boolean isPresent(int blockIndex)

Description copied from interface: BlockSet

Check if block is present.

Specified by:

isPresent in interface BlockSet

Parameters:

blockIndex - Index of a block in this set (0-based, maximum value is BlockSet.blockCount() - 1)

Returns:

true if block is present

isComplete

public boolean isComplete()

Description copied from interface: BlockSet

Shortcut method to determine if all blocks are present

Specified by:

isComplete in interface BlockSet

Returns:

true if all blocks are present

isEmpty

public boolean isEmpty()

Description copied from interface: BlockSet

Shortcut method to determine if no blocks are present

Specified by:

isEmpty in interface BlockSet

Returns:

true if no blocks are present

clear

public void clear()

Description copied from interface: BlockSet

Reset block presence information (may not perform actual deletion of data)

Specified by:

clear in interface BlockSet