com.eteks.parser.node
Class LiteralNode

java.lang.Object
  |
  +--com.eteks.parser.node.LiteralNode

All Implemented Interfaces:

ExpressionNode, java.io.Serializable

public class LiteralNode

extends java.lang.Object

implements ExpressionNode

Node matching a literal value. This node stores the value of a literal.

Since:

Jeks 1.0

Version:

1.0

Author:

Emmanuel Puybaret

See Also:

Serialized Form

Constructor Summary

LiteralNode(java.lang.Object value)
Creates a node of a literal whose value is value.

Method Summary

double	computeExpression(double[] parametersValue) Returns the double value of this literal.
java.lang.Object	computeExpression(Interpreter interpreter, java.lang.Object[] parametersValue) Returns the value returned by the getLiteralValue () method of interpreter with the stored value of this literal as parameter.
java.lang.Object	getValue() Returns the stored value of this literal.

Methods inherited from class java.lang.Object

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

Constructor Detail

LiteralNode

public LiteralNode(java.lang.Object value)

Creates a node of a literal whose value is value.

Parameters:

value - the value of the literal.

Method Detail

getValue

public java.lang.Object getValue()

Returns the stored value of this literal.

Returns:

the value of this literal.

computeExpression

public java.lang.Object computeExpression(Interpreter interpreter,
                                          java.lang.Object[] parametersValue)

Returns the value returned by the getLiteralValue () method of interpreter with the stored value of this literal as parameter.

Specified by:

computeExpression in interface ExpressionNode

Parameters:

interpreter - runtime interpreter.

parametersValue - not used.

Returns:

the interpreted value of this literal. The type of the returned value depends on the implementation of the interpreter.

See Also:

Interpreter.getLiteralValue(java.lang.Object)

computeExpression

public double computeExpression(double[] parametersValue)

Returns the double value of this literal.

Specified by:

computeExpression in interface ExpressionNode

Parameters:

parametersValue - not used.

Returns:

the value of this literal.