Package org.apache.ignite.internal.processors.cache.transactions

Interface IgniteTxState

All Known Subinterfaces:

IgniteTxLocalState, IgniteTxRemoteState

All Known Implementing Classes:

IgniteTxImplicitSingleStateImpl, IgniteTxLocalStateAdapter, IgniteTxRemoteSingleStateImpl, IgniteTxRemoteStateAdapter, IgniteTxRemoteStateImpl, IgniteTxStateImpl

public interface IgniteTxState

Method Summary

Modifier and Type	Method	Description
void	addActiveCache(GridCacheContext cacheCtx, boolean recovery, IgniteTxAdapter tx)
Collection<IgniteTxEntry>	allEntries()
@Nullable GridIntList	cacheIds()	Gets caches ids affected with current tx.
boolean	empty()
@Nullable IgniteTxEntry	entry(IgniteTxKey key)
@Nullable Integer	firstCacheId()
boolean	hasInterceptor(GridCacheSharedContext cctx)
boolean	hasWriteKey(IgniteTxKey key)
boolean	implicitSingle()
void	onTxEnd(GridCacheSharedContext cctx, IgniteInternalTx tx, boolean commit)
Collection<IgniteTxEntry>	readEntries()
Map<IgniteTxKey,IgniteTxEntry>	readMap()
Set<IgniteTxKey>	readSet()
@Nullable IgniteTxEntry	singleWrite()
Collection<CacheStoreManager>	stores(GridCacheSharedContext cctx)
boolean	storeWriteThrough(GridCacheSharedContext cctx)
CacheWriteSynchronizationMode	syncMode(GridCacheSharedContext cctx)
GridDhtTopologyFuture	topologyReadLock(GridCacheSharedContext cctx, GridFutureAdapter<?> fut)
void	topologyReadUnlock(GridCacheSharedContext cctx)
void	unwindEvicts(GridCacheSharedContext cctx)	Unwind evicts for caches involved in this transaction.
IgniteCheckedException	validateTopology(GridCacheSharedContext cctx, boolean read, GridDhtTopologyFuture topFut)
Collection<IgniteTxEntry>	writeEntries()
Map<IgniteTxKey,IgniteTxEntry>	writeMap()
Set<IgniteTxKey>	writeSet()

Method Detail

implicitSingle

boolean implicitSingle()

Returns:

Flag indicating whether transaction is implicit with only one key.

firstCacheId

@Nullable
@Nullable Integer firstCacheId()

Returns:

First tx cache id.

cacheIds

@Nullable
@Nullable GridIntList cacheIds()

Gets caches ids affected with current tx.

Returns:

tx cache ids.

unwindEvicts

void unwindEvicts(GridCacheSharedContext cctx)

Unwind evicts for caches involved in this transaction.

Parameters:

cctx - Grid cache shared context.

validateTopology

IgniteCheckedException validateTopology(GridCacheSharedContext cctx,
                                        boolean read,
                                        GridDhtTopologyFuture topFut)

Parameters:

cctx - Context.

read - True if validating for a read operation, false for write.

topFut - Topology future.

Returns:

Error if validation failed.

syncMode

CacheWriteSynchronizationMode syncMode(GridCacheSharedContext cctx)

Parameters:

cctx - Context.

Returns:

Write synchronization mode.

addActiveCache

void addActiveCache(GridCacheContext cacheCtx,
                    boolean recovery,
                    IgniteTxAdapter tx)
             throws IgniteCheckedException

Parameters:

cacheCtx - Context.

tx - Transaction.

Throws:

IgniteCheckedException - If cache check failed.

topologyReadLock

GridDhtTopologyFuture topologyReadLock(GridCacheSharedContext cctx,
                                       GridFutureAdapter<?> fut)

Parameters:

cctx - Context.

fut - Future to finish with error if some cache is stopping.

Returns:

Topology future.

topologyReadUnlock

void topologyReadUnlock(GridCacheSharedContext cctx)

Parameters:

cctx - Context.

storeWriteThrough

boolean storeWriteThrough(GridCacheSharedContext cctx)

Parameters:

cctx - Context.

Returns:

True if transaction is allowed to use store and transactions spans one or more caches with store enabled.

hasInterceptor

boolean hasInterceptor(GridCacheSharedContext cctx)

Parameters:

cctx - Context.

Returns:

True if transaction spans one or more caches with configured interceptor.

stores

Collection<CacheStoreManager> stores(GridCacheSharedContext cctx)

Parameters:

cctx - Context.

Returns:

Configured stores for active caches.

onTxEnd

void onTxEnd(GridCacheSharedContext cctx,
             IgniteInternalTx tx,
             boolean commit)

Parameters:

cctx - Context.

tx - Transaction.

commit - Commit flag.

entry

@Nullable
@Nullable IgniteTxEntry entry(IgniteTxKey key)

Parameters:

key - Key.

Returns:

Entry.

hasWriteKey

boolean hasWriteKey(IgniteTxKey key)

Parameters:

key - Key.

Returns:

True if tx has write key.

readSet

Set<IgniteTxKey> readSet()

Returns:

Read entries keys.

writeSet

Set<IgniteTxKey> writeSet()

Returns:

Write entries keys.

writeEntries

Collection<IgniteTxEntry> writeEntries()

Returns:

Write entries.

readEntries

Collection<IgniteTxEntry> readEntries()

Returns:

Read entries.

writeMap

Map<IgniteTxKey,IgniteTxEntry> writeMap()

Returns:

Write entries map.

readMap

Map<IgniteTxKey,IgniteTxEntry> readMap()

Returns:

Read entries map.

allEntries

Collection<IgniteTxEntry> allEntries()

Returns:

All entries.

singleWrite

@Nullable
@Nullable IgniteTxEntry singleWrite()

Returns:

Non-null entry if tx has only one write entry.

empty

boolean empty()

Returns:

True if transaction is empty.