net.sf.jasperreports.compilers
Class JRBshEvaluator

java.lang.Object
  net.sf.jasperreports.engine.fill.JREvaluator
      net.sf.jasperreports.compilers.JRBshEvaluator

All Implemented Interfaces:

DatasetExpressionEvaluator

public class JRBshEvaluator
extends JREvaluator

Version:

$Id: JRBshEvaluator.java 3939 2010-08-20 09:52:00Z teodord $

Author:

Teodor Danciu (teodord@users.sourceforge.net)

Constructor Summary

JRBshEvaluator(java.lang.String bshScript)

Method Summary

protected void	customizedInit(java.util.Map pars, java.util.Map fldsm, java.util.Map varsm) Initializes the parameters, fields and variables of the evaluator.
protected java.lang.Object	evaluate(int id) Evaluates an expression using current fields and variables values.
protected java.lang.Object	evaluateEstimated(int id) Evaluates an expression using estimated variables values.
protected java.lang.Object	evaluateOld(int id) Evaluates an expression using old fields and variables values.
void	verify(java.util.Collection expressions)

Methods inherited from class net.sf.jasperreports.engine.fill.JREvaluator

evaluate, evaluateEstimated, evaluateOld, handleMissingResource, init, msg, msg, msg, msg, str

Methods inherited from class java.lang.Object

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

Constructor Detail

JRBshEvaluator

public JRBshEvaluator(java.lang.String bshScript)
               throws JRException

Throws:

JRException

Method Detail

verify

public void verify(java.util.Collection expressions)
            throws JRException

Throws:

JRException

customizedInit

protected void customizedInit(java.util.Map pars,
                              java.util.Map fldsm,
                              java.util.Map varsm)
                       throws JRException

Description copied from class: JREvaluator

Initializes the parameters, fields and variables of the evaluator.

Specified by:

customizedInit in class JREvaluator

Parameters:

pars - the parameters indexed by name

fldsm - the fields indexed by name

varsm - the variables indexed by name

Throws:

JRException

evaluateOld

protected java.lang.Object evaluateOld(int id)
                                throws java.lang.Throwable

Description copied from class: JREvaluator

Evaluates an expression using old fields and variables values.

Specified by:

evaluateOld in class JREvaluator

Parameters:

id - the expression id

Returns:

the result of the evaluation

Throws:

java.lang.Throwable

See Also:

JRExpression.EVALUATION_OLD, JRFillVariable.getOldValue(), JRFillField.getOldValue()

evaluateEstimated

protected java.lang.Object evaluateEstimated(int id)
                                      throws java.lang.Throwable

Description copied from class: JREvaluator

Evaluates an expression using estimated variables values.

Specified by:

evaluateEstimated in class JREvaluator

Parameters:

id - the expression id

Returns:

the result of the evaluation

Throws:

java.lang.Throwable

See Also:

JRExpression.EVALUATION_ESTIMATED, JRFillVariable.getEstimatedValue()

evaluate

protected java.lang.Object evaluate(int id)
                             throws java.lang.Throwable

Description copied from class: JREvaluator

Evaluates an expression using current fields and variables values.

Specified by:

evaluate in class JREvaluator

Parameters:

id - the expression id

Returns:

the result of the evaluation

Throws:

java.lang.Throwable

See Also:

JRExpression.EVALUATION_DEFAULT, JRFillVariable.getValue(), JRFillField.getValue()