de.hybris.platform.btg.condition.impl

Class CompositeExpressionEvaluator

java.lang.Object

de.hybris.platform.btg.condition.impl.AbstractExpressionEvaluator

de.hybris.platform.btg.condition.impl.CompositeExpressionEvaluator

All Implemented Interfaces:

ExpressionEvaluator

public class CompositeExpressionEvaluator
extends AbstractExpressionEvaluator

"Masks" multiple ExpressionEvaluator instances with same left operand type and presents them all as one, single ExpressionEvaluator

Field Summary

Fields inherited from class de.hybris.platform.btg.condition.impl.AbstractExpressionEvaluator

allowLeftNull, LEFT_OP_MISSING, LEFT_OP_NOT_SUPPORTED, OPERATOR_MISSING, OPERATOR_NOT_SUPPORTED, RIGHT_OP_MISSING, RIGHT_OP_NOT_ALLOWED, RIGHT_OP_NOT_SUPPORTED

Constructor Summary

Constructors

Constructor and Description
CompositeExpressionEvaluator(java.lang.Class leftType) Creates a Composition with passed type as left operand type.

Method Summary

Modifier and Type	Method and Description
void	addExpressionEvaluator(ExpressionEvaluator evaluator) Adds a new ExpressionEvaluator to the composition of existing evaluators.
boolean	evaluateTerm(java.lang.Object leftOperand, java.lang.String operator, java.lang.Object rightOperand) Evaluates this expression without any error or validation checking.
java.util.Collection<java.lang.Class>	getExpressionEvalutorTypes()

Methods inherited from class de.hybris.platform.btg.condition.impl.AbstractExpressionEvaluator

addSupportedOperator, addSupportedOperator, addSupportedOperator, evaluate, getLeftType, getSupportedOperators, getSupportedRightTypes, isSupported, isSupported

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeExpressionEvaluator

public CompositeExpressionEvaluator(java.lang.Class leftType)

Creates a Composition with passed type as left operand type.

Parameters:

leftType - type for left operand

Method Detail

addExpressionEvaluator

public void addExpressionEvaluator(ExpressionEvaluator evaluator)

Adds a new ExpressionEvaluator to the composition of existing evaluators.

Parameters:

evaluator - ExpressionEvaluator to add

evaluateTerm

public boolean evaluateTerm(java.lang.Object leftOperand,
                            java.lang.String operator,
                            java.lang.Object rightOperand)

Description copied from class: AbstractExpressionEvaluator

Evaluates this expression without any error or validation checking.

Specified by:

evaluateTerm in class AbstractExpressionEvaluator

Parameters:

leftOperand - value for left operand

operator - operator symbol

rightOperand - value for right operand

Returns:

true when expression evaluates to true

getExpressionEvalutorTypes

public java.util.Collection<java.lang.Class> getExpressionEvalutorTypes()