edu.udo.cs.miningmart.m4.utils
Class InterM4ColumnColumnStatist2

java.lang.Object
  edu.udo.cs.miningmart.m4.utils.InterM4Communicator
      edu.udo.cs.miningmart.m4.utils.InterM4ColumnColumnStatist2

public class InterM4ColumnColumnStatist2
extends InterM4Communicator

Helper class for standard communication between Column (container) and ColumnStatistics2.

Version:

$Id: InterM4ColumnColumnStatist2.java,v 1.4 2006/09/27 14:59:54 euler Exp $

Author:

Martin Scholz

Constructor Summary

InterM4ColumnColumnStatist2()

Method Summary

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

InterM4ColumnColumnStatist2

public InterM4ColumnColumnStatist2()

Method Detail

getSingleRef

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

Description copied from class: InterM4Communicator

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

Parameters:

colstat - a ColumnStatistics2

Returns:

the ColumnStatistics2's Column

Throws:

M4Exception

See Also:

InterM4Communicator.getSingleRef(M4Object)

getCollection

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

column - a Column

Returns:

the Column's Collection

Throws:

M4Exception

See Also:

InterM4Communicator#getCollection(M4Object)

setSingleRefPrimitive

public void setSingleRefPrimitive(M4Object colstat,
                                  java.lang.Object column)
                           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:

colstat - a ColumnStatistics2

column - a Column

Throws:

M4Exception

See Also:

InterM4Communicator#setSingleRefPrimitive(M4Object, M4Object)