org.ujac.util.table
Class SumFunctionExecutor

java.lang.Object
  org.ujac.util.table.SumFunctionExecutor

All Implemented Interfaces:

Serializable, FunctionExecutor

public class SumFunctionExecutor
extends Object
implements FunctionExecutor

Name: SumReportFunctionExecutor
Description: A function executor adding values.

Author:

lauerc

See Also:

Serialized Form

Constructor Summary

SumFunctionExecutor()

Method Summary

double	execute(double currentValue, Object operand) Adds the numeric value of the given object to the current value.
boolean	integersGuaranteed() Tells whether the function executor serves integers under guarantee (f.e.

Methods inherited from class java.lang.Object

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

Constructor Detail

SumFunctionExecutor

public SumFunctionExecutor()

Method Detail

execute

public double execute(double currentValue,
                      Object operand)
               throws TypeMismatchException

Adds the numeric value of the given object to the current value.

Specified by:

execute in interface FunctionExecutor

Parameters:

currentValue - The current value to apply the operand to.

operand - The operand to apply.

Returns:

The calculated result.

Throws:

TypeMismatchException - In case the given operand type was invalid.

integersGuaranteed

public boolean integersGuaranteed()

Tells whether the function executor serves integers under guarantee (f.e. count function).

Specified by:

integersGuaranteed in interface FunctionExecutor

Returns:

always returns false.