Package org.pentaho.reporting.engine.classic.core.function

Class ColumnDifferenceExpression

java.lang.Object

org.pentaho.reporting.engine.classic.core.function.AbstractExpression

org.pentaho.reporting.engine.classic.core.function.ColumnAggregationExpression

org.pentaho.reporting.engine.classic.core.function.ColumnDifferenceExpression

All Implemented Interfaces:

Serializable, Cloneable, Expression

public class ColumnDifferenceExpression
extends ColumnAggregationExpression

Deprecated.

This can be done easier with a formula.

Computes the difference between the given column values. This is almost the same as the formula [field1] - [field2] - field[3] - .. - [fieldn]. Values that are non-numeric or null are ignored.

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ColumnDifferenceExpression()	Deprecated. Default Constructor.

Method Summary

Modifier and Type	Method	Description
Object	getValue()	Deprecated. Return the current expression value.

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.ColumnAggregationExpression

getField, getField, getFieldCount, getFieldValues, getInstance, setField, setField

Methods inherited from class org.pentaho.reporting.engine.classic.core.function.AbstractExpression

clone, getDataRow, getDependencyLevel, getName, getReportConfiguration, getResourceBundleFactory, getRuntime, isActive, isDeepTraversing, isPreserve, setActive, setDependencyLevel, setName, setPreserve, setRuntime

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnDifferenceExpression

public ColumnDifferenceExpression()

Deprecated.

Default Constructor.

Method Detail

getValue

public Object getValue()

Deprecated.

Return the current expression value.

Returns:

the value of the function.