org.ujac.util.table
Class CountFunctionExecutor

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

All Implemented Interfaces:

Serializable, FunctionExecutor

public class CountFunctionExecutor
extends Object
implements FunctionExecutor

Name: CountFunctionExecutor
Description: A function executor counting values.

Author:

lauerc

See Also:

Serialized Form

Constructor Summary

CountFunctionExecutor()

Method Summary

double	execute(double currentValue, Object operand) Increases the current value by one.
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

CountFunctionExecutor

public CountFunctionExecutor()

Method Detail

execute

public double execute(double currentValue,
                      Object operand)

Increases the current value by one.

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.

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 true.