Package org.apache.pulsar.sql.presto.util

Class NullCacheSizeAllocator

java.lang.Object

org.apache.pulsar.sql.presto.util.NullCacheSizeAllocator

All Implemented Interfaces:

CacheSizeAllocator

public class NullCacheSizeAllocator
extends java.lang.Object
implements CacheSizeAllocator

Null cache size allocator.

Constructor Summary

Constructors

Constructor	Description
NullCacheSizeAllocator()

Method Summary

Modifier and Type	Method	Description
void	allocate(long size)	Cost available cache.
long	getAvailableCacheSize()	Get available cache size.
void	release(long size)	Release allocated cache size.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullCacheSizeAllocator

public NullCacheSizeAllocator()

Method Detail

getAvailableCacheSize

public long getAvailableCacheSize()

Description copied from interface: CacheSizeAllocator

Get available cache size.

Specified by:

getAvailableCacheSize in interface CacheSizeAllocator

Returns:

available cache size

allocate

public void allocate(long size)

Description copied from interface: CacheSizeAllocator

Cost available cache.

Specified by:

allocate in interface CacheSizeAllocator

Parameters:

size - allocate size

release

public void release(long size)

Description copied from interface: CacheSizeAllocator

Release allocated cache size.

Specified by:

release in interface CacheSizeAllocator

Parameters:

size - release size