Package net.ssehub.easy.varModel.cstEvaluation

Class ConstantValueResolver

java.lang.Object

net.ssehub.easy.varModel.cstEvaluation.ConstantValueResolver

All Implemented Interfaces:

IValueVisitor

class ConstantValueResolver
extends java.lang.Object
implements IValueVisitor

Implements a constant value resolution visitor. During resolution, individual values may be cloned, in particular if resolution may change individual parts, e.g., from an expression to a constant.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private EvaluationVisitor	evaluator
private Value	value

Constructor Summary

Constructors

Constructor	Description
ConstantValueResolver(EvaluationVisitor evaluator)	Creates a resolver instance.

Method Summary

Modifier and Type	Method	Description
(package private) Value	getValue()	Returns the resolved value and clears the internal state.
void	visitBooleanValue(BooleanValue value)	This method is used for visiting BooleanValue.
void	visitCompoundValue(CompoundValue value)	This method is used for visiting CompoundValue.
void	visitConstraintValue(ConstraintValue value)	This method is used for visiting ConstraintValue.
void	visitContainerValue(ContainerValue value)	This method is used for visiting ContainerValue.
void	visitEnumValue(EnumValue value)	This method is used for visiting EnumValue.
void	visitIntValue(IntValue value)	This method is used for visiting IntValue.
void	visitMetaTypeValue(MetaTypeValue value)	This method is used for visiting meta type value.
void	visitNullValue(NullValue value)	This method is used for visiting a null value.
void	visitRealValue(RealValue value)	This method is used for visiting RealValue.
void	visitReferenceValue(ReferenceValue referenceValue)	This method is used for visiting referenceValue.
void	visitStringValue(StringValue value)	This method is used for visiting StringValue.
void	visitVersionValue(VersionValue value)	This method is used for visiting a version value.

Methods inherited from class java.lang.Object

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

Field Detail

evaluator

private EvaluationVisitor evaluator

value

private Value value

Constructor Detail

ConstantValueResolver

ConstantValueResolver(EvaluationVisitor evaluator)

Creates a resolver instance.

Parameters:

evaluator - the evaluator used to evaluate nested expression

Method Detail

getValue

Value getValue()

Returns the resolved value and clears the internal state.

Returns:

the resolved value, may be null if resolution fails

visitConstraintValue

public void visitConstraintValue(ConstraintValue value)

Description copied from interface: IValueVisitor

This method is used for visiting ConstraintValue.

Specified by:

visitConstraintValue in interface IValueVisitor

Parameters:

value - One ConstraintValue which should be visited.

visitEnumValue

public void visitEnumValue(EnumValue value)

Description copied from interface: IValueVisitor

This method is used for visiting EnumValue.

Specified by:

visitEnumValue in interface IValueVisitor

Parameters:

value - One EnumValue which should be visited.

visitStringValue

public void visitStringValue(StringValue value)

Description copied from interface: IValueVisitor

This method is used for visiting StringValue.

Specified by:

visitStringValue in interface IValueVisitor

Parameters:

value - One StringValue which should be visited.

visitCompoundValue

public void visitCompoundValue(CompoundValue value)

Description copied from interface: IValueVisitor

This method is used for visiting CompoundValue.

Specified by:

visitCompoundValue in interface IValueVisitor

Parameters:

value - One CompoundValue which should be visited.

visitContainerValue

public void visitContainerValue(ContainerValue value)

Description copied from interface: IValueVisitor

This method is used for visiting ContainerValue.

Specified by:

visitContainerValue in interface IValueVisitor

Parameters:

value - One CompoundValue which should be visited.

visitIntValue

public void visitIntValue(IntValue value)

Description copied from interface: IValueVisitor

This method is used for visiting IntValue.

Specified by:

visitIntValue in interface IValueVisitor

Parameters:

value - One IntValue which should be visited.

visitRealValue

public void visitRealValue(RealValue value)

Description copied from interface: IValueVisitor

This method is used for visiting RealValue.

Specified by:

visitRealValue in interface IValueVisitor

Parameters:

value - One RealValue which should be visited.

visitBooleanValue

public void visitBooleanValue(BooleanValue value)

Description copied from interface: IValueVisitor

This method is used for visiting BooleanValue.

Specified by:

visitBooleanValue in interface IValueVisitor

Parameters:

value - One BooleanValue which should be visited.

visitReferenceValue

public void visitReferenceValue(ReferenceValue referenceValue)

Description copied from interface: IValueVisitor

This method is used for visiting referenceValue.

Specified by:

visitReferenceValue in interface IValueVisitor

Parameters:

referenceValue - One referenceValue which should be visited.

visitMetaTypeValue

public void visitMetaTypeValue(MetaTypeValue value)

Description copied from interface: IValueVisitor

This method is used for visiting meta type value.

Specified by:

visitMetaTypeValue in interface IValueVisitor

Parameters:

value - a value which should be visited.

visitNullValue

public void visitNullValue(NullValue value)

Description copied from interface: IValueVisitor

This method is used for visiting a null value.

Specified by:

visitNullValue in interface IValueVisitor

Parameters:

value - a value which should be visited (actually NullValue.INSTANCE).

visitVersionValue

public void visitVersionValue(VersionValue value)

Description copied from interface: IValueVisitor

This method is used for visiting a version value.

Specified by:

visitVersionValue in interface IValueVisitor

Parameters:

value - a value which should be visited.