org.pentaho.reporting.libraries.formula

Class Formula

java.lang.Object

org.pentaho.reporting.libraries.formula.Formula

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class Formula
extends java.lang.Object
implements java.io.Serializable, java.lang.Cloneable

Creation-Date: 31.10.2006, 14:43:05

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Formula(LValue rootReference)
Formula(java.lang.String formulaText)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone()
java.lang.Object	evaluate()
TypeValuePair	evaluateTyped()
LValue	getRootReference() Returns the root reference for this formula.
void	initialize(FormulaContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

Formula

public Formula(java.lang.String formulaText)
        throws ParseException

Throws:

ParseException

Formula

public Formula(LValue rootReference)

Method Detail

initialize

public void initialize(FormulaContext context)
                throws EvaluationException

Throws:

EvaluationException

getRootReference

public LValue getRootReference()

Returns the root reference for this formula. This allows external programms to modify the formula directly.

Returns:

evaluateTyped

public TypeValuePair evaluateTyped()

evaluate

public java.lang.Object evaluate()

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException