org.terracotta.offheapstore.concurrent

Class ConcurrentOffHeapClockCache<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap<K,V>

org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapCache<K,V>

org.terracotta.offheapstore.concurrent.ConcurrentOffHeapClockCache<K,V>

Type Parameters:

K - the type of keys maintained by this cache

V - the type of mapped values

All Implemented Interfaces:

ConcurrentMap<K,V>, Map<K,V>, ConcurrentMapInternals, HashingMap<K,V>, MapInternals, PinnableCache<K,V>

public class ConcurrentOffHeapClockCache<K,V>
extends AbstractConcurrentOffHeapCache<K,V>

A striped concurrent-read/exclusive-write clock cache.

This implementation uses instances of ReadWriteLockedOffHeapClockCache for its segments.

Author:

Chris Dennis

See Also:

ReadWriteLockedOffHeapClockCache

Nested Class Summary

Nested classes/interfaces inherited from class org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap

AbstractConcurrentOffHeapMap.AggregateIterator<T>

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Field Summary

Fields inherited from class org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap

segments

Constructor Summary

Constructors

Constructor and Description
ConcurrentOffHeapClockCache(Factory<? extends AbstractOffHeapClockCache<K,V>> segmentFactory, int concurrency) Creates a cache using the given table buffer source and storage engine factory.
ConcurrentOffHeapClockCache(PageSource tableSource, Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory) Creates a cache using the given table buffer source and storage engine factory.
ConcurrentOffHeapClockCache(PageSource tableSource, Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory, EvictionListener<K,V> evictionListener) Creates a cache using the given table buffer source and storage engine factory.
ConcurrentOffHeapClockCache(PageSource tableSource, Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory, EvictionListener<K,V> evictionListener, long tableSize, int concurrency) Creates a cache using the given table buffer source, storage engine factory, initial table size, and concurrency.
ConcurrentOffHeapClockCache(PageSource tableSource, Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory, long tableSize, int concurrency) Creates a cache using the given table buffer source, storage engine factory, initial table size, and concurrency.

Method Summary

Methods inherited from class org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapCache

fill, getAndPin, isPinned, putPinned, segmentFor, setPinning, shrink, shrinkOthers

Methods inherited from class org.terracotta.offheapstore.concurrent.AbstractConcurrentOffHeapMap

clear, computeIfAbsentWithMetadata, computeIfPresentWithMetadata, computeWithMetadata, containsKey, containsValue, destroy, entrySet, fill, get, getAllocatedMemory, getAndSetMetadata, getConcurrency, getDataAllocatedMemory, getDataOccupiedMemory, getDataSize, getDataVitalMemory, getIndexFor, getMetadata, getOccupiedMemory, getRemovedSlotCount, getReprobeLength, getSegmentInternals, getSegments, getSize, getTableCapacity, getUsedSlotCount, getValueAndSetMetadata, getVitalMemory, handleOversizeMappingException, keySet, put, put, putIfAbsent, readLockAll, readUnlockAll, remove, remove, removeAllWithHash, removeNoReturn, replace, replace, segmentFor, size, values, writeLockAll, writeUnlockAll

Methods inherited from class java.util.AbstractMap

clone, equals, hashCode, isEmpty, putAll, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.concurrent.ConcurrentMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Methods inherited from interface java.util.Map

clear, containsKey, containsValue, entrySet, equals, get, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Constructor Detail

ConcurrentOffHeapClockCache

public ConcurrentOffHeapClockCache(Factory<? extends AbstractOffHeapClockCache<K,V>> segmentFactory,
                                   int concurrency)

Creates a cache using the given table buffer source and storage engine factory.

Parameters:

segmentFactory - the factory to use to build segments

concurrency - the number of segments to use

ConcurrentOffHeapClockCache

public ConcurrentOffHeapClockCache(PageSource tableSource,
                                   Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory)

Creates a cache using the given table buffer source and storage engine factory.

Parameters:

tableSource - buffer source from which hash tables are allocated

storageEngineFactory - factory for the segment storage engines

ConcurrentOffHeapClockCache

public ConcurrentOffHeapClockCache(PageSource tableSource,
                                   Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory,
                                   EvictionListener<K,V> evictionListener)

Creates a cache using the given table buffer source and storage engine factory.

Parameters:

tableSource - buffer source from which hash tables are allocated

storageEngineFactory - factory for the segment storage engines

evictionListener - listener notified on evictions

ConcurrentOffHeapClockCache

public ConcurrentOffHeapClockCache(PageSource tableSource,
                                   Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory,
                                   long tableSize,
                                   int concurrency)

Creates a cache using the given table buffer source, storage engine factory, initial table size, and concurrency.

Parameters:

tableSource - buffer source from which hash tables are allocated

storageEngineFactory - factory for the segment storage engines

tableSize - initial table size (summed across all segments)

concurrency - number of segments

ConcurrentOffHeapClockCache

public ConcurrentOffHeapClockCache(PageSource tableSource,
                                   Factory<? extends StorageEngine<? super K,? super V>> storageEngineFactory,
                                   EvictionListener<K,V> evictionListener,
                                   long tableSize,
                                   int concurrency)

Creates a cache using the given table buffer source, storage engine factory, initial table size, and concurrency.

Parameters:

tableSource - buffer source from which hash tables are allocated

storageEngineFactory - factory for the segment storage engines

evictionListener - listener notified on evictions

tableSize - initial table size (summed across all segments)

concurrency - number of segments