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 Object
implements BuiltinExpressionEvaluator

Builtin expression that evaluates to a constant value.

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
Object	evaluate(DatasetExpressionEvaluator evaluator)
Object	evaluateEstimated(DatasetExpressionEvaluator evaluator)
Object	evaluateOld(DatasetExpressionEvaluator evaluator)
void	init(Map<String,JRFillParameter> parametersMap, Map<String,JRFillField> fieldsMap, Map<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(Object value)

Creates an expression evaluator for a specified value.

Parameters:

value - the value

Method Detail

init

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

Specified by:

init in interface BuiltinExpressionEvaluator

Throws:

JRException

evaluate

public Object evaluate(DatasetExpressionEvaluator evaluator)
                throws JRExpressionEvalException

Specified by:

evaluate in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException

evaluateOld

public Object evaluateOld(DatasetExpressionEvaluator evaluator)
                   throws JRExpressionEvalException

Specified by:

evaluateOld in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException

evaluateEstimated

public Object evaluateEstimated(DatasetExpressionEvaluator evaluator)
                         throws JRExpressionEvalException

Specified by:

evaluateEstimated in interface BuiltinExpressionEvaluator

Throws:

JRExpressionEvalException