Package com.aquima.interactions.rule

Interface ICondition

All Superinterfaces:

IExpression, Serializable

All Known Implementing Classes:

BooleanCondition, Condition

public interface ICondition
extends IExpression

The condition interface is used for expression objects that evaluate to a boolean value, and hence can be used as a condition.

Since:

5.0

Author:

O. Kerpershoek

Field Summary

Fields

Modifier and Type	Field	Description
static final ICondition	FALSE	An inline field for a FALSE condition.
static final ICondition	TRUE	An inline field for a TRUE condition.

Method Summary

Modifier and Type	Method	Description
BooleanValue	evaluateConditionWith(InferenceContext context, BooleanValue unknownValue)	Evaluate method that will ensure the result is a boolean value, and use the default value passed if the expression did not yield any result.

Methods inherited from interface com.aquima.interactions.rule.IExpression

evaluateWith, getDataType, getExpression, getScopeObjects, isMultivalue

Field Details

TRUE

static final ICondition TRUE

An inline field for a TRUE condition.

FALSE

static final ICondition FALSE

An inline field for a FALSE condition.

Method Details

evaluateConditionWith

BooleanValue evaluateConditionWith(InferenceContext context,
 BooleanValue unknownValue)

Evaluate method that will ensure the result is a boolean value, and use the default value passed if the expression did not yield any result.

Parameters:

context - The context that should be used to evaluate the expression with.

unknownValue - The default value that should be returned when the expression does not yield a result.

Returns:

Boolean value containing the result of the expression evaluation, or the default value.

Throws:

RuleEngineException - This exception is thrown when the expression could not be evaluated.