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

Class JsonSerializedMetadataProvider

java.lang.Object

it.unibz.inf.ontop.dbschema.impl.JsonSerializedMetadataProvider

All Implemented Interfaces:

MetadataLookup, MetadataProvider, SerializedMetadataProvider

public class JsonSerializedMetadataProvider
extends Object
implements SerializedMetadataProvider

Nested Class Summary

Nested classes/interfaces inherited from interface it.unibz.inf.ontop.dbschema.SerializedMetadataProvider

SerializedMetadataProvider.Factory, SerializedMetadataProvider.MetadataLookupSupplier

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JsonSerializedMetadataProvider(Reader dbMetadataReader, SerializedMetadataProvider.MetadataLookupSupplier parentProviderSupplier, CoreSingletons coreSingletons)
protected	JsonSerializedMetadataProvider(Reader dbMetadataReader, CoreSingletons coreSingletons)

Method Summary

Modifier and Type	Method	Description
RelationDefinition	getBlackBoxView(String query)
DBParameters	getDBParameters()
protected Optional<MetadataLookup>	getParentProvider()
QuotedIDFactory	getQuotedIDFactory()
NamedRelationDefinition	getRelation(RelationID id)
it.unibz.inf.ontop.com.google.common.collect.ImmutableList<RelationID>	getRelationIDs()
void	insertIntegrityConstraints(NamedRelationDefinition relation, MetadataLookup metadataLookupForFk)
protected static JsonMetadata	loadAndDeserialize(Reader dbMetadataReader)	Deserializes a JSON file into a POJO.
void	normalizeAndOptimizeRelations(List<NamedRelationDefinition> relationDefinitions)

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonSerializedMetadataProvider

protected JsonSerializedMetadataProvider(Reader dbMetadataReader,
                                         CoreSingletons coreSingletons)
                                  throws MetadataExtractionException,
                                         IOException

Throws:

MetadataExtractionException

IOException

JsonSerializedMetadataProvider

protected JsonSerializedMetadataProvider(Reader dbMetadataReader,
                                         @Nullable
                                         SerializedMetadataProvider.MetadataLookupSupplier parentProviderSupplier,
                                         CoreSingletons coreSingletons)
                                  throws MetadataExtractionException,
                                         IOException

Throws:

MetadataExtractionException

IOException

Method Detail

loadAndDeserialize

protected static JsonMetadata loadAndDeserialize(Reader dbMetadataReader)
                                          throws MetadataExtractionException,
                                                 IOException

Deserializes a JSON file into a POJO.

Parameters:

dbMetadataReader - JSON file reader

Returns:

JSON metadata

Throws:

MetadataExtractionException

IOException

getRelation

public NamedRelationDefinition getRelation(RelationID id)
                                    throws MetadataExtractionException

Specified by:

getRelation in interface MetadataLookup

Throws:

MetadataExtractionException

getBlackBoxView

public RelationDefinition getBlackBoxView(String query)
                                   throws MetadataExtractionException,
                                          InvalidQueryException

Specified by:

getBlackBoxView in interface MetadataLookup

Throws:

MetadataExtractionException

InvalidQueryException

getQuotedIDFactory

public QuotedIDFactory getQuotedIDFactory()

Specified by:

getQuotedIDFactory in interface MetadataLookup

getRelationIDs

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

Specified by:

getRelationIDs in interface MetadataProvider

Throws:

MetadataExtractionException

insertIntegrityConstraints

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

Specified by:

insertIntegrityConstraints in interface MetadataProvider

Throws:

MetadataExtractionException

getDBParameters

public DBParameters getDBParameters()

Specified by:

getDBParameters in interface MetadataProvider

normalizeAndOptimizeRelations

public void normalizeAndOptimizeRelations(List<NamedRelationDefinition> relationDefinitions)

Specified by:

normalizeAndOptimizeRelations in interface MetadataProvider

getParentProvider

protected Optional<MetadataLookup> getParentProvider()
                                              throws MetadataExtractionException

Throws:

MetadataExtractionException