cern.entwined

Class TransactionAdapter<T>

java.lang.Object

cern.entwined.TransactionAdapter<T>

Type Parameters:

T - The client Snapshot type.

All Implemented Interfaces:

Transaction<T>

Direct Known Subclasses:

TransactionClosure

public class TransactionAdapter<T>
extends Object
implements Transaction<T>

Empty implementation of Transaction interface.

Author:

Ivan Koblik

Constructor Summary

Constructors

Constructor and Description
TransactionAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
void	committed(T data) Implementation of this method must contain all the I/O and post transactional processing.
boolean	run(T data) Implements the Transaction.run(Object) method by always returning true, to guarantee consequent invocation of Transaction.committed(Object).

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionAdapter

public TransactionAdapter()

Method Detail

committed

public void committed(T data)
               throws Exception

Description copied from interface: Transaction

Implementation of this method must contain all the I/O and post transactional processing. Exceptions thrown by this method will not cancel the transaction.

Specified by:

committed in interface Transaction<T>

Parameters:

data - Shared memory data after commit.

Throws:

Exception - Runtime exception will be propagated unchanged while checked exception will be wrapped into InvocationException.

run

public boolean run(T data)
            throws Exception

Implements the Transaction.run(Object) method by always returning true, to guarantee consequent invocation of Transaction.committed(Object).

Implementation of this method must include in-transactional code and manipulations with shared memory. Any exception thrown by this method will cancel the transaction.

Specified by:

run in interface Transaction<T>

Parameters:

data - The shared memory data.

Returns:

the commit request true to commit, false to rollback.

Throws:

Exception - Runtime exception will be propagated unchanged while checked exception will be wrapped into InvocationException.