org.jfree.report.expressions
Class ColumnAggregationExpression

java.lang.Object
  extended by org.jfree.report.expressions.AbstractExpression
      extended by 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