org.apache.hadoop.hbase.io.hfile

Class TestLruBlockCache.CachedItem

java.lang.Object

org.apache.hadoop.hbase.io.hfile.TestLruBlockCache.CachedItem

All Implemented Interfaces:

org.apache.hadoop.hbase.io.HeapSize, org.apache.hadoop.hbase.io.hfile.Cacheable, org.apache.hadoop.hbase.nio.HBaseReferenceCounted, org.apache.hbase.thirdparty.io.netty.util.ReferenceCounted

Enclosing class:

TestLruBlockCache

private static class TestLruBlockCache.CachedItem
extends Object
implements org.apache.hadoop.hbase.io.hfile.Cacheable

Field Summary

Fields

Modifier and Type	Field and Description
(package private) org.apache.hadoop.hbase.io.hfile.BlockCacheKey	cacheKey
(package private) int	size

Constructor Summary

Constructors

Constructor and Description
CachedItem(String blockName, int size)
CachedItem(String blockName, int size, int offset)

Method Summary

Modifier and Type	Method and Description
long	cacheBlockHeapSize() Size of the cache block holding this item.
org.apache.hadoop.hbase.io.hfile.BlockType	getBlockType()
org.apache.hadoop.hbase.io.hfile.CacheableDeserializer<org.apache.hadoop.hbase.io.hfile.Cacheable>	getDeserializer()
int	getSerializedLength()
long	heapSize() The size of this item reported to the block cache layer
void	serialize(ByteBuffer destination, boolean includeNextBlockMetadata)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.io.hfile.Cacheable

refCnt, release, retain

Methods inherited from interface org.apache.hadoop.hbase.nio.HBaseReferenceCounted

release, retain, touch, touch

Field Detail

cacheKey

org.apache.hadoop.hbase.io.hfile.BlockCacheKey cacheKey

size

int size

Constructor Detail

CachedItem

CachedItem(String blockName,
           int size,
           int offset)

CachedItem

CachedItem(String blockName,
           int size)

Method Detail

heapSize

public long heapSize()

The size of this item reported to the block cache layer

Specified by:

heapSize in interface org.apache.hadoop.hbase.io.HeapSize

cacheBlockHeapSize

public long cacheBlockHeapSize()

Size of the cache block holding this item. Used for verification.

getSerializedLength

public int getSerializedLength()

Specified by:

getSerializedLength in interface org.apache.hadoop.hbase.io.hfile.Cacheable

getDeserializer

public org.apache.hadoop.hbase.io.hfile.CacheableDeserializer<org.apache.hadoop.hbase.io.hfile.Cacheable> getDeserializer()

Specified by:

getDeserializer in interface org.apache.hadoop.hbase.io.hfile.Cacheable

serialize

public void serialize(ByteBuffer destination,
                      boolean includeNextBlockMetadata)

Specified by:

serialize in interface org.apache.hadoop.hbase.io.hfile.Cacheable

getBlockType

public org.apache.hadoop.hbase.io.hfile.BlockType getBlockType()

Specified by:

getBlockType in interface org.apache.hadoop.hbase.io.hfile.Cacheable