_algebraicexpressionvariablenode.java

来自「基于java的3d开发库。对坐java3d的朋友有很大的帮助。」· Java 代码 · 共 42 行

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//=-------------------------------------------------------------------------=
//= Module history:                                                         =
//= - October 14 2007 - Oscar Chavarro: Original base version               =
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package vsdk.toolkit.common;

public class _AlgebraicExpressionVariableNode extends _AlgebraicExpressionNode
{
    /// Check the general attribute description in superclass Entity.
    public static final long serialVersionUID = 20071014L;

    private AlgebraicExpression parent;
    private String name;

    public _AlgebraicExpressionVariableNode(AlgebraicExpression parent, String name)
    {
        this.parent = parent;
        this.name = new String(name);
    }

    public double eval() throws AlgebraicExpressionException
    {
        double val = parent.getVariableValue(name);
        return val;
    }

    public String toString()
    {
        String msg;

        msg = name;
        return msg;
    }

}

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//= EOF                                                                     =
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