org.eclipse.equinox.internal.p2.metadata.expression

Class EvaluationContext.SingleVariableContext

java.lang.Object

org.eclipse.equinox.internal.p2.metadata.expression.EvaluationContext

org.eclipse.equinox.internal.p2.metadata.expression.EvaluationContext.SingleVariableContext

All Implemented Interfaces:

IEvaluationContext

Enclosing class:

EvaluationContext

public static class EvaluationContext.SingleVariableContext
extends EvaluationContext

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.equinox.internal.p2.metadata.expression.EvaluationContext

EvaluationContext.MultiVariableContext, EvaluationContext.SingleVariableContext

Constructor Summary

Constructors

Constructor and Description
SingleVariableContext(EvaluationContext parentContext, IExpression variable, java.lang.Object[] parameters)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getValue(IExpression var) Retrieve the value of the given variable from this context
void	setValue(IExpression var, java.lang.Object val) Set the current value for the given variable to value

Methods inherited from class org.eclipse.equinox.internal.p2.metadata.expression.EvaluationContext

create, create, create, create, create, create, create, create, create, getIndexProvider, getParameter, setIndexProvider

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleVariableContext

public SingleVariableContext(EvaluationContext parentContext,
                             IExpression variable,
                             java.lang.Object[] parameters)

Method Detail

getValue

public java.lang.Object getValue(IExpression var)

Description copied from interface: IEvaluationContext

Retrieve the value of the given variable from this context

Specified by:

getValue in interface IEvaluationContext

Overrides:

getValue in class EvaluationContext

Parameters:

var - The variable who's value should be retrieved

Returns:

The current value for the variable

setValue

public void setValue(IExpression var,
                     java.lang.Object val)

Description copied from interface: IEvaluationContext

Set the current value for the given variable to value

Specified by:

setValue in interface IEvaluationContext

Overrides:

setValue in class EvaluationContext

Parameters:

var - The variable who's value should be set

val - The new value for the variable.