uk.ac.bbk.dcs.automed.xml
Class XMLTransformer

java.lang.Object
  uk.ac.bbk.dcs.automed.xml.XMLTransformer

public class XMLTransformer
extends java.lang.Object

Class that automatically integrates two fully conformed AutoMed XML DataSource Schemas.

Author:

Lucas Zamboulis

Constructor Summary

XMLTransformer(Schema source, org.w3c.dom.Document sourceSchemaUIDDoc, Schema target, org.w3c.dom.Document targetSchemaUIDDoc)

Method Summary

org.w3c.dom.Document	getFinalDoc()
Schema	getFinalSchema()
java.lang.String	getFinalSchemaName()
void	listTransformationPathway()
void	transform(boolean validateSource, boolean validateTarget, boolean materialisedIntegration) Creates the transformation pathway from the source to the target schema.

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLTransformer

public XMLTransformer(Schema source,
                      org.w3c.dom.Document sourceSchemaUIDDoc,
                      Schema target,
                      org.w3c.dom.Document targetSchemaUIDDoc)

Parameters:

source - the source AutoMed XMLDSS

sourceDSDoc - the source DOM XMLDSS - WITH UIDs

target - the target AutoMed XMLDSS

targetDSDoc - the target DOM XMLDSS - WITH UIDs

Method Detail

transform

public void transform(boolean validateSource,
                      boolean validateTarget,
                      boolean materialisedIntegration)

Creates the transformation pathway from the source to the target schema. The whole process can be divided into four steps:

• Growing phase: insert schema objects to the source schema
  
• Shrinking phase: remove schema objects from the source schema.
• Renaming phase: rename edge labels so that the ordering they represent is correct.
• Synthetic data phase: is the user requests so, create synthetic data to create a lossless integration.
• Schema rename phase: rename the final schema of the transformation to <sourceSchemaName>:<targetSchemaName>:<counter>, where <counter> is used to avoid an IntegrityException being thrown.
• Check transformation: check that the transformation result is correct.

Parameters:

validateSource - if true, validate source DOM XMLDSS against any referenced DTD/XML Schema

validateTarget - if true, validate target DOM XMLDSS against any referenced DTD/XML Schema

materialisedIntegration - true if the algorithm is to create synthetic structure to resolve structural incompatibilities between the schemas that are to be integrated

getFinalDoc

public org.w3c.dom.Document getFinalDoc()

Returns:

the DOM representation of the transformed XMLDSS.

getFinalSchemaName

public java.lang.String getFinalSchemaName()

Returns:

the name of the transformed XMLDSS.

getFinalSchema

public Schema getFinalSchema()

Returns:

the transformed AutoMed XMLDSS schema.

listTransformationPathway

public void listTransformationPathway()