org.shapelogic.logic
Class ContextCalculation

java.lang.Object
  org.shapelogic.logic.ContextCalculation

public abstract class ContextCalculation
extends java.lang.Object

A calculation that lives in a context. If the calculation has already finished then just take the value In order to create a context calculation override this class

Author:

Sami Badawi

Field Summary

java.lang.String	name
java.lang.Object	value

Constructor Summary

ContextCalculation()

ContextCalculation(java.lang.String nameIn)

ContextCalculation(java.lang.String nameIn, Task task)

Method Summary

abstract java.lang.Object	calculation(Task context) This should overridden with the calculation that should be done.
java.lang.Object	getValue(Task task) I think that this should first try to find the value in the context.

Methods inherited from class java.lang.Object

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

Field Detail

name

public java.lang.String name

value

public java.lang.Object value

Constructor Detail

ContextCalculation

public ContextCalculation(java.lang.String nameIn,
                          Task task)

ContextCalculation

public ContextCalculation(java.lang.String nameIn)

ContextCalculation

public ContextCalculation()

Method Detail

getValue

public java.lang.Object getValue(Task task)

I think that this should first try to find the value in the context.

calculation

public abstract java.lang.Object calculation(Task context)
                                      throws java.lang.Exception

This should overridden with the calculation that should be done. This should just return the cached value if the dirty flag is false

Parameters:

context -

Returns:

result of calculation

Throws:

java.lang.Exception