org.apache.hadoop.hive.llap.io.metadata

Class MetadataCache.LlapMetadataBuffer<T>

java.lang.Object

org.apache.hadoop.hive.llap.cache.LlapCacheableBuffer

org.apache.hadoop.hive.llap.cache.LlapAllocatorBuffer

org.apache.hadoop.hive.llap.io.metadata.MetadataCache.LlapMetadataBuffer<T>

All Implemented Interfaces:

org.apache.hadoop.hive.common.io.encoded.MemoryBuffer, org.apache.hadoop.hive.common.io.encoded.MemoryBufferOrBuffers, MetadataCache.LlapBufferOrBuffers

Enclosing class:

MetadataCache

public static final class MetadataCache.LlapMetadataBuffer<T>
extends LlapAllocatorBuffer
implements MetadataCache.LlapBufferOrBuffers

Field Summary

Fields inherited from class org.apache.hadoop.hive.llap.cache.LlapAllocatorBuffer

allocSize, byteBuffer

Fields inherited from class org.apache.hadoop.hive.llap.cache.LlapCacheableBuffer

IN_LIST, indexInHeap, INVALIDATE_ALREADY_INVALID, INVALIDATE_FAILED, INVALIDATE_OK, lastUpdate, next, NOT_IN_CACHE, prev, priority

Constructor Summary

Constructors

Constructor and Description
LlapMetadataBuffer(T key, String tag)

Method Summary

Modifier and Type	Method and Description
T	getKey()
LlapAllocatorBuffer[]	getMultipleBuffers()
LlapAllocatorBuffer[]	getMultipleLlapBuffers()
LlapAllocatorBuffer	getSingleBuffer()
LlapAllocatorBuffer	getSingleLlapBuffer()
String	getTag()
void	notifyEvicted(EvictionDispatcher evictionDispatcher)

Methods inherited from class org.apache.hadoop.hive.llap.cache.LlapAllocatorBuffer

cancelDiscard, decRef, endDiscard, getByteBufferDup, getByteBufferRaw, getMemoryUsage, incRef, initialize, initializeWithExistingSlice, invalidate, invalidateAndRelease, isInvalid, isLocked, releaseInvalidated, setNewAllocLocation, startMoveOrDiscard, toDebugString, toString

Methods inherited from class org.apache.hadoop.hive.llap.cache.LlapCacheableBuffer

toStringForCache

Methods inherited from class java.lang.Object

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

Constructor Detail

LlapMetadataBuffer

public LlapMetadataBuffer(T key,
                          String tag)

Method Detail

notifyEvicted

public void notifyEvicted(EvictionDispatcher evictionDispatcher)

Specified by:

notifyEvicted in class LlapCacheableBuffer

getKey

public T getKey()

getSingleBuffer

public LlapAllocatorBuffer getSingleBuffer()

Specified by:

getSingleBuffer in interface org.apache.hadoop.hive.common.io.encoded.MemoryBufferOrBuffers

getMultipleBuffers

public LlapAllocatorBuffer[] getMultipleBuffers()

Specified by:

getMultipleBuffers in interface org.apache.hadoop.hive.common.io.encoded.MemoryBufferOrBuffers

getSingleLlapBuffer

public LlapAllocatorBuffer getSingleLlapBuffer()

Specified by:

getSingleLlapBuffer in interface MetadataCache.LlapBufferOrBuffers

getMultipleLlapBuffers

public LlapAllocatorBuffer[] getMultipleLlapBuffers()

Specified by:

getMultipleLlapBuffers in interface MetadataCache.LlapBufferOrBuffers

getTag

public String getTag()

Specified by:

getTag in class LlapCacheableBuffer