org.apache.solr.store.blockcache
Class BlockLocks

java.lang.Object
  org.apache.solr.store.blockcache.BlockLocks

public class BlockLocks
extends Object

Constructor Summary

BlockLocks(long numBits)

Method Summary

void	clear(int index)
int	nextClearBit(int index) Find the next clear bit in the bit set.
boolean	set(int index) Thread safe set operation that will set the bit if and only if the bit was not previously set.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockLocks

public BlockLocks(long numBits)

Method Detail

nextClearBit

public int nextClearBit(int index)

Find the next clear bit in the bit set.

Parameters:

index - index

Returns:

next next bit

set

public boolean set(int index)

Thread safe set operation that will set the bit if and only if the bit was not previously set.

Parameters:

index - the index position to set.

Returns:

returns true if the bit was set and false if it was already set.

clear

public void clear(int index)