org.gridgain.grid.kernal.processors.cache.local

Class GridLocalCacheEntry<K,V>

java.lang.Object

org.gridgain.grid.kernal.processors.cache.GridCacheMapEntry<K,V>

org.gridgain.grid.kernal.processors.cache.local.GridLocalCacheEntry<K,V>

All Implemented Interfaces:

Serializable, GridMetadataAware, GridCacheEntryEx<K,V>

public class GridLocalCacheEntry<K,V>
extends GridCacheMapEntry<K,V>

Cache entry for local caches.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMapEntry

cctx, flags, key, log, logRef, startVer, val, valBytes, ver

Constructor Summary

Constructors

Constructor and Description
GridLocalCacheEntry(GridCacheContext<K,V> ctx, K key, int hash, V val, GridCacheMapEntry<K,V> next, long ttl, int hdrId)

Method Summary

Methods

Modifier and Type	Method and Description
GridCacheMvccCandidate<K>	addLocal(long threadId, GridCacheVersion ver, long timeout, boolean reenter, boolean tx, boolean implicitSingle) Add local candidate.
boolean	isLocal()
GridCacheMvccCandidate<K>	readyLocal(GridCacheMvccCandidate<K> cand)
GridCacheMvccCandidate<K>	readyLocal(GridCacheVersion ver)
GridCacheMvccCandidate<K>	recheck() Rechecks if lock should be reassigned.
boolean	removeLock(GridCacheVersion ver)
boolean	tmLock(GridCacheTxEx<K,V> tx, long timeout) This locks is called by transaction manager during prepare step for optimistic transactions.
void	txUnlock(GridCacheTxEx<K,V> tx) Unlocks lock if it is currently owned.

Methods inherited from class org.gridgain.grid.kernal.processors.cache.GridCacheMapEntry

addMeta, addMetaIfAbsent, addMetaIfAbsent, allMeta, candidate, candidate, checkObsolete, clear, clearIndex, clearReaders, compact, context, copyMeta, copyMeta, createValueBytes, deleted, deletedUnlocked, deletedUnlocked, detached, drEntry, equals, evictInBatchInternal, evictInternal, evictWrap, expireTime, expireTimeExtras, expireTimeUnlocked, getOrMarshalKeyBytes, hashCode, hasLockCandidate, hasLockCandidate, hasLockCandidateUnsafe, hasMeta, hasMeta, hasReaders, hasValue, hasValueUnlocked, info, initialValue, initialValue, innerGet, innerReload, innerRemove, innerSet, innerUpdate, innerUpdateLocal, invalidate, invalidate, isDht, isInternal, isNear, isNew, isNewLocked, isOffHeapValuesOnly, isReplicated, isStartVersion, isStoreValueBytes, key, keyBytes, keyBytes, localCandidate, localCandidates, localOwner, lockedBy, lockedByAny, lockedByThread, lockedByThread, lockedByThread, lockedByThreadUnsafe, lockedByUnsafe, lockedLocally, lockedLocallyByIdOrThread, lockedLocallyUnsafe, markObsolete, markObsolete0, markObsoleteIfEmpty, markObsoleteVersion, memorySize, meta, mvccExtras, mvccExtras, obsolete, obsolete, obsoleteOrDeleted, obsoleteVersion, obsoleteVersionExtras, obsoleteVersionExtras, onInvalidate, onMarkedObsolete, onTtlExpired, partition, partitionValid, peek, peek, peek0, peekFailFast, poke, putMetaIfAbsent, putMetaIfAbsent, rawExpireTime, rawGet, rawGetOrUnmarshal, rawGetOrUnmarshalUnlocked, rawPut, rawTtl, readExternalMeta, readThrough, recordNodeId, refreshAhead, refreshingLocked, refreshingUnlocked, releaseSwap, remoteMvccSnapshot, removeMeta, removeMeta, replaceMeta, saveValueForIndexUnlocked, startVersion, toExpireTime, toString, ttl, ttlAndExpireTimeExtras, ttlExtras, unswap, unswap, update, updateIndex, valid, value, valueBytes, valueBytes, valueBytesUnlocked, version, versionedValue, visitable, wrap, wrapFilterLocked, writeExternalMeta

Methods inherited from class java.lang.Object

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

Constructor Detail

GridLocalCacheEntry

public GridLocalCacheEntry(GridCacheContext<K,V> ctx,
                   K key,
                   int hash,
                   V val,
                   GridCacheMapEntry<K,V> next,
                   long ttl,
                   int hdrId)

Parameters:

ctx - Cache registry.

key - Cache key.

hash - Key hash value.

val - Entry value.

next - Next entry in the linked list.

ttl - Time to live.

hdrId - Header id.

Method Detail

isLocal

public boolean isLocal()

Specified by:

isLocal in interface GridCacheEntryEx<K,V>

Overrides:

isLocal in class GridCacheMapEntry<K,V>

Returns:

True if local.

addLocal

@Nullable
public GridCacheMvccCandidate<K> addLocal(long threadId,
                                          GridCacheVersion ver,
                                          long timeout,
                                          boolean reenter,
                                          boolean tx,
                                          boolean implicitSingle)
                                   throws GridCacheEntryRemovedException

Add local candidate.

Parameters:

threadId - Owning thread ID.

ver - Lock version.

timeout - Timeout to acquire lock.

reenter - Reentry flag.

tx - Transaction flag.

implicitSingle - Implicit transaction flag.

Returns:

New candidate.

Throws:

GridCacheEntryRemovedException - If entry has been removed.

readyLocal

@Nullable
public GridCacheMvccCandidate<K> readyLocal(GridCacheMvccCandidate<K> cand)

Parameters:

cand - Candidate.

Returns:

Current owner.

readyLocal

@Nullable
public GridCacheMvccCandidate<K> readyLocal(GridCacheVersion ver)

Parameters:

ver - Candidate version.

Returns:

Current owner.

tmLock

public boolean tmLock(GridCacheTxEx<K,V> tx,
             long timeout)
               throws GridCacheEntryRemovedException

This locks is called by transaction manager during prepare step for optimistic transactions.

Parameters:

tx - Cache transaction.

timeout - Timeout for lock acquisition.

Returns:

True if lock was acquired, false otherwise.

Throws:

GridCacheEntryRemovedException - If this entry is obsolete.

recheck

@Nullable
public GridCacheMvccCandidate<K> recheck()

Rechecks if lock should be reassigned.

Returns:

Current owner.

txUnlock

public void txUnlock(GridCacheTxEx<K,V> tx)
              throws GridCacheEntryRemovedException

Unlocks lock if it is currently owned.

Parameters:

tx - Transaction to unlock.

Throws:

GridCacheEntryRemovedException - If this entry has been removed from cache.

removeLock

public boolean removeLock(GridCacheVersion ver)
                   throws GridCacheEntryRemovedException

Parameters:

ver - Removes lock.

Returns:

True If lock has been removed.

Throws:

GridCacheEntryRemovedException - If this entry has been removed from cache.