com.bigbross.bossa
Class BossaTransaction

java.lang.Object
  com.bigbross.bossa.BossaTransaction

All Implemented Interfaces:

Serializable, org.prevayler.TransactionWithQuery

public abstract class BossaTransaction

extends Object

implements org.prevayler.TransactionWithQuery

This class represents all transactions applied to a Bossa engine.

Author:

BigBross Team

See Also:

Serialized Form

Constructor Summary

BossaTransaction()

Method Summary

abstract Object	execute(Bossa bossa) Executes a transaction in a Bossa engine.
Object	executeAndQuery(Object system, Date time) Executes a transaction in a prevalent system.

Methods inherited from class java.lang.Object

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

Constructor Detail

BossaTransaction

public BossaTransaction()

Method Detail

executeAndQuery

public Object executeAndQuery(Object system,
                              Date time)
                       throws Exception

Executes a transaction in a prevalent system.

This method sets the engine time source to the time provided. It should only be called by the prevayler instance providing persistence to the engine.

Specified by:

executeAndQuery in interface org.prevayler.TransactionWithQuery

Throws:

Exception

See Also:

TransactionWithQuery.executeAndQuery(Object, Date)

execute

public abstract Object execute(Bossa bossa)
                        throws BossaException

Executes a transaction in a Bossa engine.

This method uses the time currently set in the engine time source.

Parameters:

bossa - the Bossa engine.

Returns:

the value returned by the transaction.

Throws:

BossaException - if a Bossa error occurs.