metricapp.utility.stateTransitionUtils.metricTransition

Class MetricStateTransitionCommand

java.lang.Object

metricapp.utility.stateTransitionUtils.metricTransition.MetricStateTransitionCommand

All Implemented Interfaces:

StateTransitionCommand

Direct Known Subclasses:

ApprovedToOnUpdate, ApprovedToSuspendend, CreatedToOnUpdate, OnUpdateToPending, PendingToApproved, PendingToRejected, RejectedToOnUpdate, RejectedToSuspended

public abstract class MetricStateTransitionCommand
extends java.lang.Object
implements StateTransitionCommand

This abstract class is the prototype of a Command, configured to be used for Metric transitions. It has 2 attributes, that MUST be not null during execution.

Child classes MUST implement a 2 parameters constructor that calls the method in this class:

e.g. public CreatedToOnUpdate(Element before, Element after){

super(before, after);

}

Child should overrides execute method and call it like super class method:

e.g. public void execute(){

super.execute();

foo(things);

...

}

Field Summary

Fields

Modifier and Type	Field and Description
protected Metric	after
protected Metric	before

Constructor Summary

Constructors

Constructor and Description
MetricStateTransitionCommand(Element before, Element after) this method simply casts Element to Metric objects passed like parameters.

Method Summary

Methods

Modifier and Type	Method and Description
void	execute() This is a prototype of the real method that will be implemented by child classes.

Methods inherited from class java.lang.Object

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

Field Detail

before

protected Metric before

after

protected Metric after

Constructor Detail

MetricStateTransitionCommand

public MetricStateTransitionCommand(Element before,
                            Element after)

this method simply casts Element to Metric objects passed like parameters. It is not intended to be use directly, a factory can do it for you.

Parameters:

before - Metric before

after - Metric after

Method Detail

execute

public void execute()
             throws java.lang.Exception

This is a prototype of the real method that will be implemented by child classes. It just check if parameters are null.

Specified by:

execute in interface StateTransitionCommand

Throws:

java.lang.Exception