org.prevayler.demos.memento.commands
Class AccountDeletion

java.lang.Object
  org.prevayler.util.memento.MementoTransaction
      org.prevayler.demos.memento.commands.AccountDeletion

All Implemented Interfaces:

Serializable

public class AccountDeletion
extends MementoTransaction

See Also:

Serialized Form

Field Summary

protected Bank

bank Set by findObjects(...)

Constructor Summary

AccountDeletion(Account account)

Method Summary

protected void	checkPrecondition() Check the precondition.
protected void	createMementos(MementoCollector collector) Create mementos for all objects which (possibly) get modified.
protected Account	execute(MementoCollector collector) Execute the actual command.
protected void	findObjects(Bank prevalentSystem) Find the objects this command modifies.

Methods inherited from class org.prevayler.util.memento.MementoTransaction

execute

Methods inherited from class java.lang.Object

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

Field Detail

bank

protected transient Bank bank

Set by findObjects(...)

Constructor Detail

AccountDeletion

public AccountDeletion(Account account)

Method Detail

findObjects

protected void findObjects(Bank prevalentSystem)

Description copied from class: MementoTransaction

Find the objects this command modifies.

Specified by:

findObjects in class MementoTransaction

Parameters:

prevalentSystem - The prevalent system in which to find the objects.

checkPrecondition

protected void checkPrecondition()

Description copied from class: MementoTransaction

Check the precondition.

Specified by:

checkPrecondition in class MementoTransaction

createMementos

protected void createMementos(MementoCollector collector)

Description copied from class: MementoTransaction

Create mementos for all objects which (possibly) get modified.

Specified by:

createMementos in class MementoTransaction

Parameters:

collector - The memento collector to which to add the mementos.

execute

protected Account execute(MementoCollector collector)
                   throws Bank.AccountNotFound

Description copied from class: MementoTransaction

Execute the actual command.

Specified by:

execute in class MementoTransaction

Parameters:

collector - The memento collector which can be used to execute subcommands.

Returns:

The object returned by the execution of this command. Most commands simply return null.

Throws:

Bank.AccountNotFound