net.sf.jasperreports.crosstabs.fill
Class JRCrosstabExpressionEvaluator

java.lang.Object
  net.sf.jasperreports.crosstabs.fill.JRCrosstabExpressionEvaluator

All Implemented Interfaces:

JRFillExpressionEvaluator

public class JRCrosstabExpressionEvaluator
extends java.lang.Object
implements JRFillExpressionEvaluator

Expression evaluator used for crosstabs at fill time.

Version:

$Id: JRCrosstabExpressionEvaluator.java 5180 2012-03-29 13:23:12Z teodord $

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Constructor Summary

JRCrosstabExpressionEvaluator(JREvaluator evaluator)

Method Summary

java.lang.Object	evaluate(JRExpression expression, byte evaluationType) Evaluates an expression.
JRFillDataset	getFillDataset() Returns the dataset used by the expression evaluator.
void	init(java.util.Map<java.lang.String,JRFillParameter> parametersMap, java.util.Map<java.lang.String,JRFillVariable> variablesMap, WhenResourceMissingTypeEnum whenResourceMissingType)
void	setFillDataset(JRFillDataset dataset)

Methods inherited from class java.lang.Object

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

Constructor Detail

JRCrosstabExpressionEvaluator

public JRCrosstabExpressionEvaluator(JREvaluator evaluator)

Method Detail

evaluate

public java.lang.Object evaluate(JRExpression expression,
                                 byte evaluationType)
                          throws JRException

Description copied from interface: JRFillExpressionEvaluator

Evaluates an expression.

Specified by:

evaluate in interface JRFillExpressionEvaluator

Parameters:

expression - the expression to evaluate

evaluationType - one of JRExpression.EVALUATION_DEFAULT, JRExpression.EVALUATION_OLD, JRExpression.EVALUATION_ESTIMATED

Returns:

the result

Throws:

JRException

init

public void init(java.util.Map<java.lang.String,JRFillParameter> parametersMap,
                 java.util.Map<java.lang.String,JRFillVariable> variablesMap,
                 WhenResourceMissingTypeEnum whenResourceMissingType)
          throws JRException

Throws:

JRException

setFillDataset

public void setFillDataset(JRFillDataset dataset)

getFillDataset

public JRFillDataset getFillDataset()

Description copied from interface: JRFillExpressionEvaluator

Returns the dataset used by the expression evaluator.

Specified by:

getFillDataset in interface JRFillExpressionEvaluator