Package net.sf.jasperreports.engine.fill

Class ConstantBuiltinExpression

java.lang.Object

net.sf.jasperreports.engine.fill.ConstantBuiltinExpression

All Implemented Interfaces:

BuiltinExpressionEvaluator

public class ConstantBuiltinExpression
extends java.lang.Object
implements BuiltinExpressionEvaluator

Builtin expression that evaluates to a constant value.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Constructor Summary

Constructors

Constructor	Description
ConstantBuiltinExpression(java.lang.Object value)	Creates an expression evaluator for a specified value.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	evaluate(DatasetExpressionEvaluator evaluator)
java.lang.Object	evaluateEstimated(DatasetExpressionEvaluator evaluator)
java.lang.Object	evaluateOld(DatasetExpressionEvaluator evaluator)
void	init(java.util.Map<java.lang.String,JRFillParameter> parametersMap, java.util.Map<java.lang.String,JRFillField> fieldsMap, java.util.Map<java.lang.String,JRFillVariable> variablesMap, WhenResourceMissingTypeEnum resourceMissingType)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantBuiltinExpression

public ConstantBuiltinExpression(java.lang.Object value)

Creates an expression evaluator for a specified value.

Parameters:

value - the value

Method Detail

init

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

Specified by:

init in interface BuiltinExpressionEvaluator

Throws:

JRException

evaluate

public java.lang.Object evaluate(DatasetExpressionEvaluator evaluator)
                          throws JRExpressionEvalException

Specified by:

evaluate in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException

evaluateOld

public java.lang.Object evaluateOld(DatasetExpressionEvaluator evaluator)
                             throws JRExpressionEvalException

Specified by:

evaluateOld in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException

evaluateEstimated

public java.lang.Object evaluateEstimated(DatasetExpressionEvaluator evaluator)
                                   throws JRExpressionEvalException

Specified by:

evaluateEstimated in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException