Package org.apache.hadoop.hbase.io.hfile.bucket

Class BucketCache.RAMQueueEntry

java.lang.Object

org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.RAMQueueEntry

Enclosing class:

BucketCache

static class BucketCache.RAMQueueEntry
extends Object

Block Entry stored in the memory with key,data and so on

Field Summary

Fields

Modifier and Type	Field	Description
private long	accessCounter
private final Cacheable	data
private boolean	inMemory
private boolean	isCachePersistent
private final BlockCacheKey	key

Constructor Summary

Constructors

Constructor	Description
RAMQueueEntry(BlockCacheKey bck, Cacheable data, long accessCounter, boolean inMemory, boolean isCachePersistent)

Method Summary

Modifier and Type	Method	Description
void	access(long accessCounter)
private ByteBuffAllocator	getByteBuffAllocator()
Cacheable	getData()
BlockCacheKey	getKey()
BucketEntry	writeToCache(IOEngine ioEngine, BucketAllocator alloc, LongAdder realCacheSize, Function<BucketEntry,ByteBuffAllocator.Recycler> createRecycler, ByteBuffer metaBuff)

Methods inherited from class java.lang.Object

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

Field Details

key

private final BlockCacheKey key

data

private final Cacheable data

accessCounter

private long accessCounter

inMemory

private boolean inMemory

isCachePersistent

private boolean isCachePersistent

Constructor Details

RAMQueueEntry

RAMQueueEntry(BlockCacheKey bck,
 Cacheable data,
 long accessCounter,
 boolean inMemory,
 boolean isCachePersistent)

Method Details

getData

public Cacheable getData()

getKey

public BlockCacheKey getKey()

access

public void access(long accessCounter)

getByteBuffAllocator

private ByteBuffAllocator getByteBuffAllocator()

writeToCache

public BucketEntry writeToCache(IOEngine ioEngine,
 BucketAllocator alloc,
 LongAdder realCacheSize,
 Function<BucketEntry,ByteBuffAllocator.Recycler> createRecycler,
 ByteBuffer metaBuff)
                         throws IOException

Throws:

IOException