edu.udo.cs.miningmart.m4.utils
Class InterM4ConceptColumnset

java.lang.Object
  edu.udo.cs.miningmart.m4.utils.InterM4Communicator
      edu.udo.cs.miningmart.m4.utils.InterM4ConceptColumnset

public class InterM4ConceptColumnset
extends InterM4Communicator

Helper class for standard communication between Concept (container) and Columnset.

Version:

$Id: InterM4ConceptColumnset.java,v 1.4 2006/09/27 14:59:55 euler Exp $

Author:

Martin Scholz

Constructor Summary

InterM4ConceptColumnset()

Method Summary

java.util.Collection	getCollection(java.lang.Object concept) 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 columnset) The M4Object different from the container object needs to have a reference to the container class.
void	setSingleRefPrimitive(M4Object columnset, java.lang.Object concept) 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

InterM4ConceptColumnset

public InterM4ConceptColumnset()

Method Detail

getSingleRef

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

Description copied from class: InterM4Communicator

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

Parameters:

columnset - a Columnset

Returns:

the Columnset's Concept

Throws:

M4Exception

See Also:

InterM4Communicator.getSingleRef(M4Object)

getCollection

public java.util.Collection getCollection(java.lang.Object concept)
                                   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:

concept - a Concept

Returns:

the Concept's Collection

Throws:

M4Exception

See Also:

InterM4Communicator#getCollection(M4Object)

setSingleRefPrimitive

public void setSingleRefPrimitive(M4Object columnset,
                                  java.lang.Object concept)
                           throws M4Exception

Description copied from class: InterM4Communicator

The M4Object different from the container object needs to have a reference to the container class. This method is a primitive setter for this field. It should consist of a single assignment.

Parameters:

columnset - a Columnset

concept - a Concept

Throws:

M4Exception

See Also:

InterM4Communicator#setSingleRefPrimitive(M4Object, M4Object)