Package it.unibz.inf.ontop.dbschema.impl

Class AbstractDBMetadataProvider

java.lang.Object

it.unibz.inf.ontop.dbschema.impl.AbstractDBMetadataProvider

All Implemented Interfaces:

DBMetadataProvider, MetadataLookup, MetadataProvider

Direct Known Subclasses:

DefaultDBMetadataProvider, DefaultSchemaCatalogDBMetadataProvider, DefaultSchemaDBMetadataProvider, DremioDBMetadataProvider, TeiidDBMetadataProvider

public abstract class AbstractDBMetadataProvider
extends Object
implements DBMetadataProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static interface	AbstractDBMetadataProvider.DefaultRelationIdComponentsFactory
protected static interface	AbstractDBMetadataProvider.QuotedIDFactoryFactory

Field Summary

Fields

Modifier and Type	Field	Description
protected Connection	connection
protected DBParameters	dbParameters
protected String	escape
protected static org.slf4j.Logger	LOGGER
protected DatabaseMetaData	metadata
protected QuotedIDFactory	rawIdFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractDBMetadataProvider(Connection connection, AbstractDBMetadataProvider.QuotedIDFactoryFactory idFactoryProvider, CoreSingletons coreSingletons)

Method Summary

Modifier and Type	Method	Description
protected void	checkSameRelationID(RelationID extractedId, RelationID givenId)
protected String	escapeRelationIdComponentPattern(String s)
protected RelationDefinition	extractBlackBoxViewByConnectingToDB(String query)
protected RelationDefinition	extractBlackBoxViewWithoutConnectingToDB(String query)
protected String	extractSQLTypeName(String typeName, int jdbcType, int columnSize, it.unibz.inf.ontop.dbschema.impl.AbstractDBMetadataProvider.PrecisionSupplier precisionSupplier)
protected abstract it.unibz.inf.ontop.com.google.common.collect.ImmutableList<RelationID>	getAllIDs(RelationID id)
RelationDefinition	getBlackBoxView(String query)
protected abstract RelationID	getCanonicalRelationId(RelationID id)
DBParameters	getDBParameters()
QuotedIDFactory	getQuotedIDFactory()
NamedRelationDefinition	getRelation(RelationID id0)
protected abstract String	getRelationCatalog(RelationID id)
protected abstract RelationID	getRelationID(ResultSet rs, String catalogNameColumn, String schemaNameColumn, String tableNameColum)
it.unibz.inf.ontop.com.google.common.collect.ImmutableList<RelationID>	getRelationIDs()
protected ResultSet	getRelationIDsResultSet()
protected abstract String	getRelationName(RelationID id)
protected abstract String	getRelationSchema(RelationID id)
void	insertIntegrityConstraints(NamedRelationDefinition relation, MetadataLookup metadataLookup)
protected boolean	isRelationExcluded(RelationID id)
protected String	makeQueryMinimizeResultSet(String query)	Can be overridden
void	normalizeAndOptimizeRelations(List<NamedRelationDefinition> relationDefinitions)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

connection

protected final Connection connection

dbParameters

protected final DBParameters dbParameters

metadata

protected final DatabaseMetaData metadata

escape

protected final String escape

rawIdFactory

protected final QuotedIDFactory rawIdFactory

Constructor Detail

AbstractDBMetadataProvider

protected AbstractDBMetadataProvider(Connection connection,
                                     AbstractDBMetadataProvider.QuotedIDFactoryFactory idFactoryProvider,
                                     CoreSingletons coreSingletons)
                              throws MetadataExtractionException

Throws:

MetadataExtractionException

Method Detail

getQuotedIDFactory

public QuotedIDFactory getQuotedIDFactory()

Specified by:

getQuotedIDFactory in interface MetadataLookup

getDBParameters

public DBParameters getDBParameters()

Specified by:

getDBParameters in interface MetadataProvider

normalizeAndOptimizeRelations

public void normalizeAndOptimizeRelations(List<NamedRelationDefinition> relationDefinitions)

Specified by:

normalizeAndOptimizeRelations in interface MetadataProvider

isRelationExcluded

protected boolean isRelationExcluded(RelationID id)

getRelationIDsResultSet

protected ResultSet getRelationIDsResultSet()
                                     throws SQLException

Throws:

SQLException

getRelationIDs

public it.unibz.inf.ontop.com.google.common.collect.ImmutableList<RelationID> getRelationIDs()
                                                                                      throws MetadataExtractionException

Specified by:

getRelationIDs in interface MetadataProvider

Throws:

MetadataExtractionException

getRelationID

protected abstract RelationID getRelationID(ResultSet rs,
                                            String catalogNameColumn,
                                            String schemaNameColumn,
                                            String tableNameColum)
                                     throws SQLException

Throws:

SQLException

checkSameRelationID

protected void checkSameRelationID(RelationID extractedId,
                                   RelationID givenId)
                            throws MetadataExtractionException

Throws:

MetadataExtractionException

escapeRelationIdComponentPattern

@Nullable
protected String escapeRelationIdComponentPattern(@Nullable
                                                  String s)

getRelation

public NamedRelationDefinition getRelation(RelationID id0)
                                    throws MetadataExtractionException

Specified by:

getRelation in interface MetadataLookup

Throws:

MetadataExtractionException

extractSQLTypeName

protected String extractSQLTypeName(String typeName,
                                    int jdbcType,
                                    int columnSize,
                                    it.unibz.inf.ontop.dbschema.impl.AbstractDBMetadataProvider.PrecisionSupplier precisionSupplier)
                             throws SQLException

Throws:

SQLException

insertIntegrityConstraints

public void insertIntegrityConstraints(NamedRelationDefinition relation,
                                       MetadataLookup metadataLookup)
                                throws MetadataExtractionException

Specified by:

insertIntegrityConstraints in interface MetadataProvider

Throws:

MetadataExtractionException

getBlackBoxView

public RelationDefinition getBlackBoxView(String query)
                                   throws MetadataExtractionException,
                                          InvalidQueryException

Specified by:

getBlackBoxView in interface MetadataLookup

Throws:

MetadataExtractionException

InvalidQueryException

extractBlackBoxViewByConnectingToDB

protected RelationDefinition extractBlackBoxViewByConnectingToDB(String query)
                                                          throws MetadataExtractionException

Throws:

MetadataExtractionException

makeQueryMinimizeResultSet

protected String makeQueryMinimizeResultSet(String query)

Can be overridden

extractBlackBoxViewWithoutConnectingToDB

protected RelationDefinition extractBlackBoxViewWithoutConnectingToDB(String query)
                                                               throws InvalidQueryException

Throws:

InvalidQueryException

getCanonicalRelationId

protected abstract RelationID getCanonicalRelationId(RelationID id)

getAllIDs

protected abstract it.unibz.inf.ontop.com.google.common.collect.ImmutableList<RelationID> getAllIDs(RelationID id)

getRelationCatalog

protected abstract String getRelationCatalog(RelationID id)

getRelationSchema

protected abstract String getRelationSchema(RelationID id)

getRelationName

protected abstract String getRelationName(RelationID id)