de.hybris.platform.btg.services.impl

Class DefaultExpressionService

java.lang.Object

de.hybris.platform.btg.services.impl.DefaultExpressionService

All Implemented Interfaces:

ExpressionService

public class DefaultExpressionService
extends java.lang.Object
implements ExpressionService

Constructor Summary

Constructors

Constructor and Description
DefaultExpressionService()

Method Summary

Modifier and Type	Method and Description
BTGConditionModel	createExpression(BTGOperandModel leftOperand, BTGOperatorModel operator, BTGOperandModel rightOperand, CatalogVersionModel catalogVersion) Creates a new BTG expression.
BTGOperatorModel	createOperator(java.lang.String operatorString, CatalogVersionModel catalogVersion) Creates an operator
java.util.Collection<java.lang.Class<? extends BTGOperandModel>>	getAvailableLeftOperandTypes(BTGRuleType ruleType) Provides information about possible types for the left operand than is used to create an expression for some existing rule.
java.util.Collection<java.lang.String>	getAvailableOperators(BTGOperandModel leftOperand) Provides information about possible types for the operator than is used to create an expression for some existing rule given left operand type.
java.util.Collection<java.lang.Class<? extends BTGOperandModel>>	getAvailableRightOperands(BTGOperandModel leftOperand, java.lang.String operatorType) Provides information about possible types for the right operand than is used to create an expression for some existing rule given left operand type and operator type.
void	setBtgConfigurationService(BTGConfigurationService btgConfigurationService)
void	setExpressionEvaluatorRegistry(ExpressionEvaluatorRegistry expressionEvaluatorRegistry)
void	setModelService(ModelService modelService)
void	setOperandValueProviderRegistry(OperandValueProviderRegistry operandValueProviderRegistry)
void	setRightOperandTypes(java.util.Collection<java.lang.Class<? extends BTGGenericOperandModel>> rightOperandTypes)
void	setTypeService(TypeService typeService)
BTGConditionModel	updateExpression(BTGExpressionModel existingExpression, BTGOperandModel updatedLeftOperand, java.lang.String updatedOperator, BTGOperandModel updatedRightOperand) Updates an existing BTG expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExpressionService

public DefaultExpressionService()

Method Detail

getAvailableLeftOperandTypes

public java.util.Collection<java.lang.Class<? extends BTGOperandModel>> getAvailableLeftOperandTypes(BTGRuleType ruleType)

Description copied from interface: ExpressionService

Provides information about possible types for the left operand than is used to create an expression for some existing rule.

Specified by:

getAvailableLeftOperandTypes in interface ExpressionService

Parameters:

ruleType - Target ruleType for an expression that will use a left operand of the type defined by the returned collection.

Returns:

a collection of types available to use for creating left operand of an expression for the given rule. These types are subtypes of BTGOperand.

getAvailableOperators

public java.util.Collection<java.lang.String> getAvailableOperators(BTGOperandModel leftOperand)
                                                             throws InvalidOperandException

Description copied from interface: ExpressionService

Provides information about possible types for the operator than is used to create an expression for some existing rule given left operand type.

Specified by:

getAvailableOperators in interface ExpressionService

Parameters:

leftOperand - the left operand of the expression.

Returns:

a collection of types available to use for creating operator of an expression for the given rule. These types are subtypes of BTGOperator.

Throws:

InvalidOperandException

getAvailableRightOperands

public java.util.Collection<java.lang.Class<? extends BTGOperandModel>> getAvailableRightOperands(BTGOperandModel leftOperand,
                                                                                                  java.lang.String operatorType)
                                                                                           throws InvalidOperandException

Description copied from interface: ExpressionService

Provides information about possible types for the right operand than is used to create an expression for some existing rule given left operand type and operator type.

Specified by:

getAvailableRightOperands in interface ExpressionService

Parameters:

leftOperand - the left operand of the expression.

operatorType - a type of the operator of the expression.

Returns:

a collection of types available to use for creating right operand of an expression for the given rule. These types are subtypes of BTGOperand.

Throws:

InvalidOperandException

setOperandValueProviderRegistry

public void setOperandValueProviderRegistry(OperandValueProviderRegistry operandValueProviderRegistry)

setRightOperandTypes

public void setRightOperandTypes(java.util.Collection<java.lang.Class<? extends BTGGenericOperandModel>> rightOperandTypes)

setTypeService

public void setTypeService(TypeService typeService)

setModelService

public void setModelService(ModelService modelService)

setExpressionEvaluatorRegistry

public void setExpressionEvaluatorRegistry(ExpressionEvaluatorRegistry expressionEvaluatorRegistry)

createExpression

public BTGConditionModel createExpression(BTGOperandModel leftOperand,
                                          BTGOperatorModel operator,
                                          BTGOperandModel rightOperand,
                                          CatalogVersionModel catalogVersion)

Description copied from interface: ExpressionService

Creates a new BTG expression. It does NOT save newly created expression to the database, so modelService.save(...) is required after using this method.

Specified by:

createExpression in interface ExpressionService

Parameters:

leftOperand - left operand of the expression

operator - operator of the expression

rightOperand - right operand of the expression

catalogVersion - CatalogVersion for the operator

Returns:

BTGExpressionModel. The model is not saved to the database.

updateExpression

public BTGConditionModel updateExpression(BTGExpressionModel existingExpression,
                                          BTGOperandModel updatedLeftOperand,
                                          java.lang.String updatedOperator,
                                          BTGOperandModel updatedRightOperand)

Description copied from interface: ExpressionService

Updates an existing BTG expression. It saves all changes to the database. Semantics of the "update" is following: If an updated operand represents different model instance than the operand in existingExpression, updated operand becomes a part of the existingExpression and then the old operand is removed from the database. If updated operand represents the same model instance as the operand in existingExpression (same PK), model data is just saved and no new instance is /stored to/removed from/ database. Operator is always updated "in place" i.e. no instance is created/removed.

Specified by:

updateExpression in interface ExpressionService

Parameters:

existingExpression - expression to be updated

updatedLeftOperand - left operand of the expression

updatedOperator - operator of the expression

updatedRightOperand - right operand of the expression

Returns:

BTGExpressionModel. The model is not saved to the database.

createOperator

public BTGOperatorModel createOperator(java.lang.String operatorString,
                                       CatalogVersionModel catalogVersion)

Description copied from interface: ExpressionService

Creates an operator

Specified by:

createOperator in interface ExpressionService

Parameters:

operatorString - defines the operator

catalogVersion - CatalogVersion for the operator

Returns:

BTGOperatorModel. The model is not saved to the database.

setBtgConfigurationService

public void setBtgConfigurationService(BTGConfigurationService btgConfigurationService)

Parameters:

btgConfigurationService - the btgConfigurationService to set