de.lmu.ifi.dbs.elki.utilities.optionhandling.constraints
Class EqualSizeGlobalConstraint

java.lang.Object
  de.lmu.ifi.dbs.elki.utilities.optionhandling.constraints.EqualSizeGlobalConstraint

All Implemented Interfaces:

GlobalParameterConstraint

public class EqualSizeGlobalConstraint
extends Object
implements GlobalParameterConstraint

Global parameter constraint defining that a number of list parameters ( ListParameter ) must have equal list sizes.

Field Summary

private List<ListParameter<?>>

parameters List parameters to be tested

Constructor Summary

EqualSizeGlobalConstraint(List<ListParameter<?>> params)
Creates a global parameter constraint for testing if a number of list parameters have equal list sizes.

Method Summary

String	getDescription() Returns a description of this global constraint.
void	test() Checks if the list parameters have equal list sizes.

Methods inherited from class java.lang.Object

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

Field Detail

parameters

private List<ListParameter<?>> parameters

List parameters to be tested

Constructor Detail

EqualSizeGlobalConstraint

public EqualSizeGlobalConstraint(List<ListParameter<?>> params)

Creates a global parameter constraint for testing if a number of list parameters have equal list sizes.

Parameters:

params - list parameters to be tested for equal list sizes

Method Detail

test

public void test()
          throws ParameterException

Checks if the list parameters have equal list sizes. If not, a parameter exception is thrown.

Specified by:

test in interface GlobalParameterConstraint

Throws:

ParameterException - if the parameters don't satisfy the parameter constraint.

getDescription

public String getDescription()

Description copied from interface: GlobalParameterConstraint

Returns a description of this global constraint.

Specified by:

getDescription in interface GlobalParameterConstraint

Returns:

a description of this global constraint