org.araneaframework.backend.list.memorybased.expression.constant
Class ValueExpression

java.lang.Object
  org.araneaframework.backend.list.memorybased.expression.constant.ValueExpression

All Implemented Interfaces:

Expression, Serializable, Value

public class ValueExpression

extends Object

implements Expression, Value

See Also:

Serialized Form

Constructor Summary

ValueExpression(Object value)

ValueExpression(String name, Object value)

Method Summary

Object	evaluate(VariableResolver resolver) Evaluates this Expression by returning its value.
String	getName() Returns the name of the Value.
Object	getValue() Returns the Value as an Object.

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueExpression

public ValueExpression(String name,
                       Object value)

ValueExpression

public ValueExpression(Object value)

Method Detail

getName

public String getName()

Description copied from interface: Value

Returns the name of the Value.

Specified by:

getName in interface Value

Returns:

the name of the Value.

getValue

public Object getValue()

Description copied from interface: Value

Returns the Value as an Object.

Specified by:

getValue in interface Value

Returns:

the Value as an Object.

evaluate

public Object evaluate(VariableResolver resolver)

Description copied from interface: Expression

Evaluates this Expression by returning its value. The returned value may also be null.

Specified by:

evaluate in interface Expression

Parameters:

resolver - Resolver that is used to evalute Variables.

Returns:

the value of this Expression.