edu.udo.cs.miningmart.m4.utils
Class InterM4OperatorCondition

java.lang.Object
  edu.udo.cs.miningmart.m4.utils.InterM4Communicator
      edu.udo.cs.miningmart.m4.utils.InterM4OperatorCondition

public class InterM4OperatorCondition
extends InterM4Communicator

Helper class for standard communication between Operator (container) and Condition.

Version:

$Id: InterM4OperatorCondition.java,v 1.4 2006/09/27 14:59:55 euler Exp $

Author:

Martin Scholz

Constructor Summary

InterM4OperatorCondition()

Method Summary

java.util.Collection	getCollection(java.lang.Object operator) Each container object contains a collection, which has to be backed, so an "add" or "remove" to the collection results in a corresponding "add" or "remove" to the underlying container data structure.
java.lang.Object	getSingleRef(M4Object condition) The M4Object different from the container object needs to have a reference to the container class.

Methods inherited from class edu.udo.cs.miningmart.m4.utils.InterM4Communicator

add, checkNameExists, remove, setCollectionTo, updateReferenceTo

Methods inherited from class java.lang.Object

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

Constructor Detail

InterM4OperatorCondition

public InterM4OperatorCondition()

Method Detail

getSingleRef

public java.lang.Object getSingleRef(M4Object condition)
                              throws M4Exception

Description copied from class: InterM4Communicator

The M4Object different from the container object needs to have a reference to the container class.

Parameters:

condition - an Condition

Returns:

the Condition's Operator

Throws:

M4Exception

See Also:

InterM4Communicator.getSingleRef(M4Object)

getCollection

public java.util.Collection getCollection(java.lang.Object operator)
                                   throws M4Exception

Description copied from class: InterM4Communicator

Each container object contains a collection, which has to be backed, so an "add" or "remove" to the collection results in a corresponding "add" or "remove" to the underlying container data structure. This method must never return null, but a backed empty Collection instead!

Parameters:

operator - an Operator

Returns:

the Operator's Collection of Conditions

Throws:

M4Exception

See Also:

InterM4Communicator#getCollection(M4Object)