com.amazon.titan.diskstorage.dynamodb

Class DynamoDBStoreTransaction

java.lang.Object

com.thinkaurelius.titan.diskstorage.common.AbstractStoreTransaction

com.amazon.titan.diskstorage.dynamodb.DynamoDBStoreTransaction

All Implemented Interfaces:

com.thinkaurelius.titan.diskstorage.BaseTransaction, com.thinkaurelius.titan.diskstorage.BaseTransactionConfigurable, com.thinkaurelius.titan.diskstorage.keycolumnvalue.StoreTransaction

public final class DynamoDBStoreTransaction
extends com.thinkaurelius.titan.diskstorage.common.AbstractStoreTransaction

Transaction is used to store expected values of each column for each key in a transaction

Author:

Matthew Sowders, Michael Rodaitis, Alexander Patrikalakis

Constructor Summary

Constructors

Constructor and Description
DynamoDBStoreTransaction(com.thinkaurelius.titan.diskstorage.BaseTransactionConfig config)

Method Summary

Methods

Modifier and Type	Method and Description
void	commit()
boolean	contains(com.thinkaurelius.titan.diskstorage.StaticBuffer key, com.thinkaurelius.titan.diskstorage.StaticBuffer column)
boolean	equals(java.lang.Object obj)
com.thinkaurelius.titan.diskstorage.StaticBuffer	get(com.thinkaurelius.titan.diskstorage.StaticBuffer key, com.thinkaurelius.titan.diskstorage.StaticBuffer column)
static DynamoDBStoreTransaction	getTx(com.thinkaurelius.titan.diskstorage.keycolumnvalue.StoreTransaction txh)
int	hashCode()
void	put(com.thinkaurelius.titan.diskstorage.StaticBuffer key, com.thinkaurelius.titan.diskstorage.StaticBuffer column, com.thinkaurelius.titan.diskstorage.StaticBuffer expectedValue)
void	rollback()
java.lang.String	toString()

Methods inherited from class com.thinkaurelius.titan.diskstorage.common.AbstractStoreTransaction

getConfiguration

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamoDBStoreTransaction

public DynamoDBStoreTransaction(com.thinkaurelius.titan.diskstorage.BaseTransactionConfig config)

Method Detail

getTx

public static DynamoDBStoreTransaction getTx(com.thinkaurelius.titan.diskstorage.keycolumnvalue.StoreTransaction txh)

commit

public void commit()
            throws com.thinkaurelius.titan.diskstorage.BackendException

Specified by:

commit in interface com.thinkaurelius.titan.diskstorage.BaseTransaction

Overrides:

commit in class com.thinkaurelius.titan.diskstorage.common.AbstractStoreTransaction

Throws:

com.thinkaurelius.titan.diskstorage.BackendException

contains

public boolean contains(com.thinkaurelius.titan.diskstorage.StaticBuffer key,
               com.thinkaurelius.titan.diskstorage.StaticBuffer column)

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

get

public com.thinkaurelius.titan.diskstorage.StaticBuffer get(com.thinkaurelius.titan.diskstorage.StaticBuffer key,
                                                   com.thinkaurelius.titan.diskstorage.StaticBuffer column)

put

public void put(com.thinkaurelius.titan.diskstorage.StaticBuffer key,
       com.thinkaurelius.titan.diskstorage.StaticBuffer column,
       com.thinkaurelius.titan.diskstorage.StaticBuffer expectedValue)

rollback

public void rollback()
              throws com.thinkaurelius.titan.diskstorage.BackendException

Specified by:

rollback in interface com.thinkaurelius.titan.diskstorage.BaseTransaction

Overrides:

rollback in class com.thinkaurelius.titan.diskstorage.common.AbstractStoreTransaction

Throws:

com.thinkaurelius.titan.diskstorage.BackendException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object