org.jfree.report.expressions
Class ColumnAggregationExpression

java.lang.Object
  org.jfree.report.expressions.AbstractExpression
      org.jfree.report.expressions.ColumnAggregationExpression

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Expression

Direct Known Subclasses:

SurveyScaleExpression

public abstract class ColumnAggregationExpression
extends AbstractExpression

Creation-Date: 04.01.2006, 17:23:01

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

protected

ColumnAggregationExpression()

Method Summary

protected abstract int	getFieldListParameterPosition()
protected java.lang.Object[]	getFieldValues()
protected java.lang.Object[]	getFieldValues(java.lang.Class type)

Methods inherited from class org.jfree.report.expressions.AbstractExpression

clone, getDataRow, getInstance, getName, getParentLocale, getReportConfiguration, getResourceBundleFactory, getRuntime, isDeepTraversing, isPrecompute, isPreserve, setDeepTraversing, setName, setPrecompute, setPreserve, setRuntime

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jfree.report.expressions.Expression

computeValue

Constructor Detail

ColumnAggregationExpression

protected ColumnAggregationExpression()

Method Detail

getFieldListParameterPosition

protected abstract int getFieldListParameterPosition()

getFieldValues

protected java.lang.Object[] getFieldValues()
                                     throws DataSourceException

Throws:

DataSourceException

getFieldValues

protected java.lang.Object[] getFieldValues(java.lang.Class type)
                                     throws DataSourceException

Throws:

DataSourceException