Package org.vedantatree.expressionoasis.expressions.property

Class PropertyExpression

java.lang.Object

org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression

org.vedantatree.expressionoasis.expressions.property.PropertyExpression

All Implemented Interfaces:

Expression

public class PropertyExpression
extends BinaryOperatorExpression

This is the property expression to access the property of any java object.

Nested Class Summary

Nested classes/interfaces inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression

BinaryOperatorExpression.TypePair

Field Summary

Fields inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression

leftOperandExpression, rightOperandExpression

Constructor Summary

Constructors

Constructor	Description
PropertyExpression()

Method Summary

Modifier and Type	Method	Description
Type	getReturnType()	Gets the return type of the expression.
ValueObject	getValue()	Executes and returns the value of this expression.
void	setValue(Object value)	Sets the value
protected void	validate(ExpressionContext expressionContext)	Default validation is not required.

Methods inherited from class org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression

accept, addTypePair, createTypePair, getLeftOperandExpression, getRightOperandExpression, initialize, toString, uninitialize

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyExpression

public PropertyExpression()

Method Detail

getValue

public ValueObject getValue()
                     throws ExpressionEngineException

Description copied from interface: Expression

Executes and returns the value of this expression. If expression is not at node level, it will further evaluate its related expression which may represents operands or operators and return the final outcome.

Specified by:

getValue in interface Expression

Overrides:

getValue in class BinaryOperatorExpression

Returns:

the value of expression (after expression evaluation)

Throws:

ExpressionEngineException - if there is any problem during execution

See Also:

Expression.getValue()

setValue

public void setValue(Object value)
              throws ExpressionEngineException

Sets the value

Parameters:

value -

Throws:

ExpressionEngineException

validate

protected void validate(ExpressionContext expressionContext)
                 throws ExpressionEngineException

Default validation is not required.

Overrides:

validate in class BinaryOperatorExpression

Throws:

ExpressionEngineException

See Also:

org.vedantatree.expressionoasis.expressions.BinaryOperatorExpression#validate()

getReturnType

public Type getReturnType()
                   throws ExpressionEngineException

Description copied from interface: Expression

Gets the return type of the expression.

Specified by:

getReturnType in interface Expression

Overrides:

getReturnType in class BinaryOperatorExpression

Returns:

the type of expression

Throws:

ExpressionEngineException - If there is any problem during execution

See Also:

Expression.getReturnType()