Package 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.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	EXCEPTION_MESSAGE_KEY_EVALUATION_TYPE_NOT_SUPPORTED

Constructor Summary

Constructors

Constructor	Description
JRCrosstabExpressionEvaluator(JREvaluator evaluator)

Method Summary

Modifier and Type	Method	Description
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, boolean ignoreNPE)
void	setFillDataset(JRFillDataset dataset)

Methods inherited from class java.lang.Object

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

Field Detail

EXCEPTION_MESSAGE_KEY_EVALUATION_TYPE_NOT_SUPPORTED

public static final java.lang.String EXCEPTION_MESSAGE_KEY_EVALUATION_TYPE_NOT_SUPPORTED

See Also:

Constant Field Values

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,
                 boolean ignoreNPE)
          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