edu.udo.cs.miningmart.m4.utils
Class InterM4BaseattributeColumn

java.lang.Object
  edu.udo.cs.miningmart.m4.utils.InterM4Communicator
      edu.udo.cs.miningmart.m4.utils.InterM4BaseattributeColumn

public class InterM4BaseattributeColumn
extends InterM4Communicator

Helper class for standard communication between BaseAttribute (container) and Column.

Version:

$Id: InterM4BaseattributeColumn.java,v 1.4 2006/09/27 14:59:55 euler Exp $

Author:

Martin Scholz

Constructor Summary

InterM4BaseattributeColumn()

Method Summary

java.util.Collection	getCollection(java.lang.Object baseattribute) 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 column) 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

InterM4BaseattributeColumn

public InterM4BaseattributeColumn()

Method Detail

getSingleRef

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

Description copied from class: InterM4Communicator

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

Parameters:

column - a Column

Returns:

the Column's BaseAttribute

Throws:

M4Exception

See Also:

InterM4Communicator.getSingleRef(M4Object)

getCollection

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

baseattribute - a BaseAttribute

Returns:

the BaseAttribute's Collection of Columns

Throws:

M4Exception

See Also:

InterM4Communicator#getCollection(M4Object)