Package ru.ewc.decita.conditions

Interface Condition

All Known Implementing Classes:

AlwaysTrueCondition, BinaryCondition, EqualsCondition, GreaterThanCondition, LessThanCondition, NotCondition, UnaryCondition

public interface Condition

I am an assertion made for two Coordinates. My main responsibility is to compute the result of such an assertion and answer it to the computation engine.

Since:

0.1

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(ComputationContext context)	Evaluates all the parts of the Condition and provides the result of that evaluation.
boolean	isEvaluated()	Checks if all the parts of the Condition are resolved and point to the constant values.
default boolean	isNotSatisfied()	Checks if this Condition resolves to false, meaning it is not satisfied.
boolean	isSatisfied()	Checks if this Condition resolves to true.

Method Details

evaluate

boolean evaluate(ComputationContext context)
          throws DecitaException

Evaluates all the parts of the Condition and provides the result of that evaluation.

Parameters:

context - The ComputationContext to evaluate Condition in.

Returns:

Whether the Condition stands true.

Throws:

DecitaException - If the evaluation cannot be performed.

isEvaluated

boolean isEvaluated()

Checks if all the parts of the Condition are resolved and point to the constant values.

Returns:

True, if both parts of the Condition are evaluated.

isSatisfied

boolean isSatisfied()

Checks if this Condition resolves to true.

Returns:

True, if it does.

isNotSatisfied

default boolean isNotSatisfied()

Checks if this Condition resolves to false, meaning it is not satisfied.

Returns:

True, if this Condition is already computed and resolves to false.