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 and Description
private long	accessCounter
private Cacheable	data
private boolean	inMemory
private BlockCacheKey	key

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	access(long accessCounter)
private BucketCache.BucketEntry	getBucketEntry(IOEngine ioEngine, long offset, int len)
Cacheable	getData()
BlockCacheKey	getKey()
BucketCache.BucketEntry	writeToCache(IOEngine ioEngine, BucketAllocator bucketAllocator, UniqueIndexMap<Integer> deserialiserMap, LongAdder realCacheSize)

Methods inherited from class java.lang.Object

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

Field Detail

key

private BlockCacheKey key

data

private Cacheable data

accessCounter

private long accessCounter

inMemory

private boolean inMemory

Constructor Detail

RAMQueueEntry

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

Method Detail

getData

public Cacheable getData()

getKey

public BlockCacheKey getKey()

access

public void access(long accessCounter)

getBucketEntry

private BucketCache.BucketEntry getBucketEntry(IOEngine ioEngine,
                                               long offset,
                                               int len)

writeToCache

public BucketCache.BucketEntry writeToCache(IOEngine ioEngine,
                                            BucketAllocator bucketAllocator,
                                            UniqueIndexMap<Integer> deserialiserMap,
                                            LongAdder realCacheSize)
                                     throws IOException

Throws:

IOException