alluxio.master.block

Class BlockContainerIdGenerator

java.lang.Object

alluxio.master.block.BlockContainerIdGenerator

All Implemented Interfaces:

ContainerIdGenerable

@ThreadSafe
public final class BlockContainerIdGenerator
extends Object
implements ContainerIdGenerable

This class generates unique block container ids.

Constructor Summary

Constructors

Constructor and Description
BlockContainerIdGenerator() Creates a new instance of BlockContainerIdGenerator.

Method Summary

Modifier and Type	Method and Description
long	getNewContainerId()
long	getNextContainerId()
long	peekNewContainerId()
void	setNextContainerId(long id)

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockContainerIdGenerator

public BlockContainerIdGenerator()

Creates a new instance of BlockContainerIdGenerator.

Method Detail

getNewContainerId

public long getNewContainerId()

Specified by:

getNewContainerId in interface ContainerIdGenerable

Returns:

a unique block container id

getNextContainerId

public long getNextContainerId()

Returns:

a unique block container id, and is used

peekNewContainerId

public long peekNewContainerId()

Returns:

the next container id

setNextContainerId

public void setNextContainerId(long id)

Parameters:

id - the next container id to use