it.unibz.inf.ontop.spec.dbschema.impl

Class ImplicitDBConstraintsProvider

java.lang.Object

it.unibz.inf.ontop.dbschema.impl.DelegatingMetadataProvider

it.unibz.inf.ontop.spec.dbschema.impl.ImplicitDBConstraintsProvider

All Implemented Interfaces:

it.unibz.inf.ontop.dbschema.MetadataLookup, it.unibz.inf.ontop.dbschema.MetadataProvider

public class ImplicitDBConstraintsProvider
extends it.unibz.inf.ontop.dbschema.impl.DelegatingMetadataProvider

Used for reading user-supplied information about unique constraints and foreign keys Needed for better performance in cases where views and materialized views are present. Associated JUnit Tests @TestImplicitDBConstraints, @TestQuestImplicitDBConstraints

Author:

Dag Hovland (first version)

Field Summary

Fields inherited from class it.unibz.inf.ontop.dbschema.impl.DelegatingMetadataProvider

provider

Method Summary

Modifier and Type	Method and Description
void	insertIntegrityConstraints(it.unibz.inf.ontop.dbschema.NamedRelationDefinition relation, it.unibz.inf.ontop.dbschema.MetadataLookup metadataLookup) Inserts the user-supplied primary keys / unique constraints columns into the metadata object

Methods inherited from class it.unibz.inf.ontop.dbschema.impl.DelegatingMetadataProvider

getDBParameters, getQuotedIDFactory, getRelation, getRelationIDs

Methods inherited from class java.lang.Object

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

Method Detail

insertIntegrityConstraints

public void insertIntegrityConstraints(it.unibz.inf.ontop.dbschema.NamedRelationDefinition relation,
                                       it.unibz.inf.ontop.dbschema.MetadataLookup metadataLookup)
                                throws MetadataExtractionException

Inserts the user-supplied primary keys / unique constraints columns into the metadata object

Specified by:

insertIntegrityConstraints in interface it.unibz.inf.ontop.dbschema.MetadataProvider

Overrides:

insertIntegrityConstraints in class it.unibz.inf.ontop.dbschema.impl.DelegatingMetadataProvider

Throws:

MetadataExtractionException