uk.ac.ic.doc.automed.reps
Class HDMTransformations

java.lang.Object
  uk.ac.ic.doc.automed.reps.HDMTransformations

public class HDMTransformations
extends java.lang.Object

Author:

Andrew Smith - acs203 This class provides methods to do some transformations within the HDM model

Constructor Summary

HDMTransformations(Schema sourceSchema)
Creates a new instance of HDMTransformations

Method Summary

Schema	idNodeExpand(SchemaObject expandNode) The reverse of an id node merge.
Schema	idNodeMerge(SchemaObject edgeObject) ID node merge.
Schema	inclusionExpand(SchemaObject nodeB, SchemaObject edgeObject) Inclusion expand transformation
Schema	inclusionMerge(SchemaObject nodeB, SchemaObject edgeObject) Inclusion merge transformation
Schema	moveInclusion(SchemaObject sourceNode, SchemaObject targetNode) Move an inclusion constraint between 2 identical nodes
Schema	nodeReidentify(SchemaObject nodeObject, SchemaObject mapObject) Node reidentify
Schema	removeRecursion(SchemaObject parentObject, SchemaObject nodeObject, java.lang.String nodeName, java.lang.String containerName) Remove recursion
void	setSchema(Schema schema) Set the schema for this object
Schema	uMRedirection(SchemaObject edgeObject, SchemaObject mapObject) Unique Mandatory redirection
static UserActionResult	userActionNodeReidentify(Gui g, java.lang.Object[] o) The user action to do a node reidentify
static UserActionResult	userActionRemoveRecursion(Gui g, java.lang.Object[] o) The user action to do a node reidentify

Methods inherited from class java.lang.Object

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

Constructor Detail

HDMTransformations

public HDMTransformations(Schema sourceSchema)
                   throws NotFoundException

Creates a new instance of HDMTransformations

Throws:

NotFoundException

Method Detail

setSchema

public void setSchema(Schema schema)

Set the schema for this object

moveInclusion

public Schema moveInclusion(SchemaObject sourceNode,
                            SchemaObject targetNode)
                     throws AutoMedException

Move an inclusion constraint between 2 identical nodes

Parameters:

sourceNode - - The source node

targetNode - - The target node

Returns:

The transformed schema

Throws:

AutoMedException

idNodeMerge

public Schema idNodeMerge(SchemaObject edgeObject)
                   throws AutoMedException

ID node merge. This transformation merges two nodes whose extents have a 1-1 correspondence.

Parameters:

edgeObject - The edge linking the two nodes we're going to merge

Returns:

The transformed schema

Throws:

AutoMedException

idNodeExpand

public Schema idNodeExpand(SchemaObject expandNode)
                    throws AutoMedException

The reverse of an id node merge. This creates a new node with the same extent as @param expandNode and an edge linking them

Parameters:

expandNode - is the node we want to expand

Returns:

The transformed schema

Throws:

AutoMedException

inclusionMerge

public Schema inclusionMerge(SchemaObject nodeB,
                             SchemaObject edgeObject)
                      throws AutoMedException

Inclusion merge transformation

Throws:

AutoMedException

inclusionExpand

public Schema inclusionExpand(SchemaObject nodeB,
                              SchemaObject edgeObject)
                       throws AutoMedException

Inclusion expand transformation

Throws:

AutoMedException

uMRedirection

public Schema uMRedirection(SchemaObject edgeObject,
                            SchemaObject mapObject)
                     throws AutoMedException

Unique Mandatory redirection

Throws:

AutoMedException

nodeReidentify

public Schema nodeReidentify(SchemaObject nodeObject,
                             SchemaObject mapObject)
                      throws AutoMedException

Node reidentify

Parameters:

nodeObject - is the node we wish to reidentify. This means change it's extent

mapObject - is the object we will use to get the new extent of nodeObject. In this case it's the edge linking nodeObject to the node that holds the new extent of nodeObject. The type of nodeObject will become that of the linked node

Throws:

AutoMedException

removeRecursion

public Schema removeRecursion(SchemaObject parentObject,
                              SchemaObject nodeObject,
                              java.lang.String nodeName,
                              java.lang.String containerName)
                       throws AutoMedException

Remove recursion

Parameters:

nodeObject - is the recursive node

mapObject - is the parent of the recursive node The type of nodeObject will become that of the linked node Expand a structure with more than one parent We need to create a new node that will serve as a parent to the multi parent node The extent of this node will be the union of the parent nodes. We also add an edge from the multiparent node to the new parent node We also need to remove the edges to all the original parents and replace them with inclusion constraints.

Throws:

AutoMedException

userActionNodeReidentify

public static UserActionResult userActionNodeReidentify(Gui g,
                                                        java.lang.Object[] o)

The user action to do a node reidentify

userActionRemoveRecursion

public static UserActionResult userActionRemoveRecursion(Gui g,
                                                         java.lang.Object[] o)

The user action to do a node reidentify