org.janusgraph.diskstorage.keycolumnvalue.cache

Class CacheTransaction

java.lang.Object

org.janusgraph.diskstorage.keycolumnvalue.cache.CacheTransaction

All Implemented Interfaces:

BaseTransaction, BaseTransactionConfigurable, StoreTransaction, LoggableTransaction

public class CacheTransaction
extends Object
implements StoreTransaction, LoggableTransaction

Author:

Matthias Broecheler ([email protected])

Constructor Summary

Constructors

Constructor and Description
CacheTransaction(StoreTransaction tx, KeyColumnValueStoreManager manager, int persistChunkSize, java.time.Duration maxWriteTime, boolean batchLoading)
CacheTransaction(StoreTransaction tx, KeyColumnValueStoreManager manager, int persistChunkSize, java.time.Duration maxWriteTime, boolean batchLoading, int expectedNumStores)

Method Summary

Modifier and Type	Method and Description
void	commit() Commits the transaction and persists all modifications to the backend.
BaseTransactionConfig	getConfiguration() Get the configuration for this transaction
StoreTransaction	getWrappedTransaction()
void	logMutations(DataOutput out)
void	rollback() Aborts (or rolls back) the transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheTransaction

public CacheTransaction(StoreTransaction tx,
                        KeyColumnValueStoreManager manager,
                        int persistChunkSize,
                        java.time.Duration maxWriteTime,
                        boolean batchLoading)

CacheTransaction

public CacheTransaction(StoreTransaction tx,
                        KeyColumnValueStoreManager manager,
                        int persistChunkSize,
                        java.time.Duration maxWriteTime,
                        boolean batchLoading,
                        int expectedNumStores)

Method Detail

getWrappedTransaction

public StoreTransaction getWrappedTransaction()

logMutations

public void logMutations(DataOutput out)

Specified by:

logMutations in interface LoggableTransaction

commit

public void commit()
            throws BackendException

Description copied from interface: BaseTransaction

Commits the transaction and persists all modifications to the backend. Call either this method or BaseTransaction.rollback() at most once per instance.

Specified by:

commit in interface BaseTransaction

Throws:

BackendException

rollback

public void rollback()
              throws BackendException

Description copied from interface: BaseTransaction

Aborts (or rolls back) the transaction. Call either this method or BaseTransaction.commit() at most once per instance.

Specified by:

rollback in interface BaseTransaction

Throws:

BackendException

getConfiguration

public BaseTransactionConfig getConfiguration()

Description copied from interface: BaseTransactionConfigurable

Get the configuration for this transaction

Specified by:

getConfiguration in interface BaseTransactionConfigurable

Returns: