uk.ac.bbk.dcs.automed.evolution2.schemaEvolution
Class SchemaEvolution

java.lang.Object
  uk.ac.bbk.dcs.automed.evolution2.schemaEvolution.SchemaEvolution

All Implemented Interfaces:

Evolution

Direct Known Subclasses:

ExtensionalSchemaEvolution, IntegratedSchemaEvolution

public abstract class SchemaEvolution
extends java.lang.Object
implements Evolution

Field Summary

protected int	evolutionType
protected boolean	isRepair
protected int	schemaEvolutionType
protected Schema	schemaToEvolve

Fields inherited from interface uk.ac.bbk.dcs.automed.evolution2.Evolution

EVOLVE_ADD, EVOLVE_CONTRACT, EVOLVE_DATA, EVOLVE_DELETE, EVOLVE_EXTEND, EVOLVE_EXTENTIONAL_SCHEMA, EVOLVE_INTEGRATED_SCHEMA, EVOLVE_MODEL, EVOLVE_RENAME, EVOLVE_SCHEMA

Constructor Summary

SchemaEvolution(int schemaEvolutionType, boolean isRepair)

Method Summary

abstract void	createNew()
abstract void	createNewOneStep()
static void	dropSchemas(Pathway p) Retracts schemas in the pathway from s1 to s2, WITHOUT retracting s2.
int	getEvolutionType()
boolean	getIsRepair()
int	getSchemaEvolutionType()
protected abstract Transformation	processAddTransformation(Transformation crntTransformation)
protected abstract Transformation	processContractTransformation(Transformation crntTransformation)
protected abstract Transformation	processDeleteTransformation(Transformation crntTransformation)
java.lang.Object	processEvolution(java.lang.Object inObject) Fasade method to transparently do Evolution work
protected abstract Transformation	processExtendTransformation(Transformation crntTransformation)
protected abstract Transformation	processRenameTransformation(Transformation crntTransformation)
abstract void	repairExisting()
abstract void	repairExistingOneStep()
boolean	repairPathway(Pathway pathway)
boolean	repairPathway(Transformation[] transformation)
void	setIsRepair(boolean isRepair)
Pathway	simplifyPathway(Pathway pathway) The current implementation of this method is null.
java.util.List	simplifyPathway(Schema fromSchema, Schema toSchema) This is over loaded method to simplify the pathway between two schemas.

Methods inherited from class java.lang.Object

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

Field Detail

schemaToEvolve

protected Schema schemaToEvolve

evolutionType

protected int evolutionType

isRepair

protected boolean isRepair

schemaEvolutionType

protected int schemaEvolutionType

Constructor Detail

SchemaEvolution

public SchemaEvolution(int schemaEvolutionType,
                       boolean isRepair)
                throws SchemaEvolutionException

Throws:

SchemaEvolutionException

Method Detail

createNew

public abstract void createNew()

createNewOneStep

public abstract void createNewOneStep()

repairExisting

public abstract void repairExisting()

repairExistingOneStep

public abstract void repairExistingOneStep()

setIsRepair

public void setIsRepair(boolean isRepair)

getEvolutionType

public int getEvolutionType()

Specified by:

getEvolutionType in interface Evolution

getIsRepair

public boolean getIsRepair()

processEvolution

public java.lang.Object processEvolution(java.lang.Object inObject)
                                  throws SchemaEvolutionException

Fasade method to transparently do Evolution work

Specified by:

processEvolution in interface Evolution

Throws:

SchemaEvolutionException

dropSchemas

public static void dropSchemas(Pathway p)
                        throws IntegrityException,
                               NotFoundException

Retracts schemas in the pathway from s1 to s2, WITHOUT retracting s2.

Throws:

IntegrityException

NotFoundException

simplifyPathway

public Pathway simplifyPathway(Pathway pathway)

The current implementation of this method is null. This method can be implemented to return the simplified version of the pathhway.

simplifyPathway

public java.util.List simplifyPathway(Schema fromSchema,
                                      Schema toSchema)
                               throws SchemaEvolutionException

This is over loaded method to simplify the pathway between two schemas. And returns the List of Pathways. The current implementation of this method is null. This method can be implemented to return the simplified version of the pathhway.

Throws:

SchemaEvolutionException

repairPathway

public boolean repairPathway(Pathway pathway)

Parameters:

pathway -

Returns:

true if the repair was successful.

repairPathway

public boolean repairPathway(Transformation[] transformation)

processRenameTransformation

protected abstract Transformation processRenameTransformation(Transformation crntTransformation)

processAddTransformation

protected abstract Transformation processAddTransformation(Transformation crntTransformation)

processDeleteTransformation

protected abstract Transformation processDeleteTransformation(Transformation crntTransformation)

processExtendTransformation

protected abstract Transformation processExtendTransformation(Transformation crntTransformation)

processContractTransformation

protected abstract Transformation processContractTransformation(Transformation crntTransformation)

getSchemaEvolutionType

public int getSchemaEvolutionType()