net.sf.dynamicreports.report.builder.expression
Class DataSourceExpression

java.lang.Object
  extended by net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression<net.sf.jasperreports.engine.JRDataSource>
      extended by net.sf.dynamicreports.report.builder.expression.DataSourceExpression
All Implemented Interfaces:
Serializable, DRIValue<net.sf.jasperreports.engine.JRDataSource>, DRIExpression<net.sf.jasperreports.engine.JRDataSource>, DRISimpleExpression<net.sf.jasperreports.engine.JRDataSource>

public class DataSourceExpression
extends AbstractSimpleExpression<net.sf.jasperreports.engine.JRDataSource>

Author:
Ricardo Mariaca (r.mariaca@dynamicreports.org)
See Also:
Serialized Form

Constructor Summary
DataSourceExpression(net.sf.jasperreports.engine.JRDataSource dataSource)
           
 
Method Summary
 net.sf.jasperreports.engine.JRDataSource evaluate(ReportParameters reportParameters)
          Evaluates the expression.
 Class<net.sf.jasperreports.engine.JRDataSource> getValueClass()
           
 
Methods inherited from class net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression
getName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DataSourceExpression

public DataSourceExpression(net.sf.jasperreports.engine.JRDataSource dataSource)
Method Detail

evaluate

public net.sf.jasperreports.engine.JRDataSource evaluate(ReportParameters reportParameters)
Description copied from interface: DRISimpleExpression
Evaluates the expression.

Parameters:
reportParameters - access to report fields, variables, parameters, expressions, and other report values
Returns:
the result of the expression evaluation

getValueClass

public Class<net.sf.jasperreports.engine.JRDataSource> getValueClass()
Specified by:
getValueClass in interface DRIExpression<net.sf.jasperreports.engine.JRDataSource>
Overrides:
getValueClass in class AbstractSimpleExpression<net.sf.jasperreports.engine.JRDataSource>


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