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

Class JsonBasicOrJoinView

java.lang.Object

it.unibz.inf.ontop.dbschema.impl.json.JsonOpenObject

it.unibz.inf.ontop.dbschema.impl.json.JsonView

it.unibz.inf.ontop.dbschema.impl.json.JsonBasicOrJoinView

Direct Known Subclasses:

JsonBasicView, JsonJoinView

public abstract class JsonBasicOrJoinView
extends JsonView

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	JsonBasicOrJoinView.AddColumns
protected static class	JsonBasicOrJoinView.Columns
protected static class	JsonBasicOrJoinView.ParentDefinition

Nested classes/interfaces inherited from class it.unibz.inf.ontop.dbschema.impl.json.JsonView

JsonView.AddForeignKey, JsonView.AddFunctionalDependency, JsonView.AddUniqueConstraints, JsonView.ForeignKeyPart, JsonView.ForeignKeys, JsonView.JSONViewDeSerializer, JsonView.NonNullConstraints, JsonView.OtherFunctionalDependencies, JsonView.TemporaryViewPredicate, JsonView.UniqueConstraints

Field Summary

Fields

Modifier and Type	Field	Description
JsonBasicOrJoinView.Columns	columns
String	filterExpression
protected static org.slf4j.Logger	LOGGER

Fields inherited from class it.unibz.inf.ontop.dbschema.impl.json.JsonView

foreignKeys, name, nonNullConstraints, otherFunctionalDependencies, uniqueConstraints

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JsonBasicOrJoinView(List<String> name, JsonView.UniqueConstraints uniqueConstraints, JsonView.OtherFunctionalDependencies otherFunctionalDependencies, JsonView.ForeignKeys foreignKeys, JsonView.NonNullConstraints nonNullConstraints, JsonBasicOrJoinView.Columns columns, String filterExpression)

Method Summary

Modifier and Type	Method	Description
protected AtomPredicate	createTemporaryPredicate(RelationID relationId, int arity, CoreSingletons coreSingletons)
OntopViewDefinition	createViewDefinition(DBParameters dbParameters, MetadataLookup parentCacheMetadataLookup)
protected abstract it.unibz.inf.ontop.com.google.common.collect.ImmutableList<JsonBasicOrJoinView.ParentDefinition>	extractParentDefinitions(DBParameters dbParameters, MetadataLookup parentCacheMetadataLookup)
protected it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.com.google.common.collect.ImmutableList<Attribute>>	getDerivedFromParentAttributes(OntopViewDefinition ontopViewDefinition, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<Attribute> parentAttributes)	Parent attributes are expected to all come from the same parent
protected Variable	getVariable(String attributeName, QuotedIDFactory quotedIdFactory, TermFactory termFactory)
protected Stream<JsonView.AddForeignKey>	inferForeignKeys(OntopViewDefinition relation, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations)	TODO: add FKs towards the base relations
protected Stream<JsonView.AddForeignKey>	inferForeignKeysFromParent(OntopViewDefinition relation, NamedRelationDefinition baseRelation)
protected it.unibz.inf.ontop.com.google.common.collect.ImmutableList<JsonView.AddUniqueConstraints>	inferInheritedUniqueConstraints(OntopViewDefinition relation, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<QuotedID> addedConstraintsColumns, QuotedIDFactory idFactory, CoreSingletons coreSingletons)	Inferred from the tree
protected void	insertForeignKey(NamedRelationDefinition relation, MetadataLookup lookup, JsonView.AddForeignKey addForeignKey)
protected void	insertForeignKeys(OntopViewDefinition relation, MetadataLookup lookup, List<JsonView.AddForeignKey> addForeignKeys, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations)
void	insertIntegrityConstraints(OntopViewDefinition relation, it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations, MetadataLookup metadataLookupForFK, DBParameters dbParameters)

Methods inherited from class it.unibz.inf.ontop.dbschema.impl.json.JsonView

createAttributeBuilder, getAttributesIncludingParentOnes

Methods inherited from class it.unibz.inf.ontop.dbschema.impl.json.JsonOpenObject

getAdditionalProperties, setAdditionalProperty

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

columns

@Nonnull
public final JsonBasicOrJoinView.Columns columns

filterExpression

@Nonnull
public final String filterExpression

Constructor Detail

JsonBasicOrJoinView

protected JsonBasicOrJoinView(List<String> name,
                              @Nullable
                              JsonView.UniqueConstraints uniqueConstraints,
                              @Nullable
                              JsonView.OtherFunctionalDependencies otherFunctionalDependencies,
                              @Nullable
                              JsonView.ForeignKeys foreignKeys,
                              @Nullable
                              JsonView.NonNullConstraints nonNullConstraints,
                              @Nonnull
                              JsonBasicOrJoinView.Columns columns,
                              @Nonnull
                              String filterExpression)

Method Detail

createViewDefinition

public OntopViewDefinition createViewDefinition(DBParameters dbParameters,
                                                MetadataLookup parentCacheMetadataLookup)
                                         throws MetadataExtractionException

Specified by:

createViewDefinition in class JsonView

Throws:

MetadataExtractionException

insertIntegrityConstraints

public void insertIntegrityConstraints(OntopViewDefinition relation,
                                       it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations,
                                       MetadataLookup metadataLookupForFK,
                                       DBParameters dbParameters)
                                throws MetadataExtractionException

Specified by:

insertIntegrityConstraints in class JsonView

Throws:

MetadataExtractionException

extractParentDefinitions

protected abstract it.unibz.inf.ontop.com.google.common.collect.ImmutableList<JsonBasicOrJoinView.ParentDefinition> extractParentDefinitions(DBParameters dbParameters,
                                                                                                                                             MetadataLookup parentCacheMetadataLookup)
                                                                                                                                      throws MetadataExtractionException

Throws:

MetadataExtractionException

getVariable

protected Variable getVariable(String attributeName,
                               QuotedIDFactory quotedIdFactory,
                               TermFactory termFactory)

createTemporaryPredicate

protected AtomPredicate createTemporaryPredicate(RelationID relationId,
                                                 int arity,
                                                 CoreSingletons coreSingletons)

inferInheritedUniqueConstraints

protected it.unibz.inf.ontop.com.google.common.collect.ImmutableList<JsonView.AddUniqueConstraints> inferInheritedUniqueConstraints(OntopViewDefinition relation,
                                                                                                                                    it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations,
                                                                                                                                    it.unibz.inf.ontop.com.google.common.collect.ImmutableList<QuotedID> addedConstraintsColumns,
                                                                                                                                    QuotedIDFactory idFactory,
                                                                                                                                    CoreSingletons coreSingletons)

Inferred from the tree

insertForeignKeys

protected void insertForeignKeys(OntopViewDefinition relation,
                                 MetadataLookup lookup,
                                 List<JsonView.AddForeignKey> addForeignKeys,
                                 it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations)
                          throws MetadataExtractionException

Throws:

MetadataExtractionException

inferForeignKeys

protected Stream<JsonView.AddForeignKey> inferForeignKeys(OntopViewDefinition relation,
                                                          it.unibz.inf.ontop.com.google.common.collect.ImmutableList<NamedRelationDefinition> baseRelations)

TODO: add FKs towards the base relations

inferForeignKeysFromParent

protected Stream<JsonView.AddForeignKey> inferForeignKeysFromParent(OntopViewDefinition relation,
                                                                    NamedRelationDefinition baseRelation)

insertForeignKey

protected void insertForeignKey(NamedRelationDefinition relation,
                                MetadataLookup lookup,
                                JsonView.AddForeignKey addForeignKey)
                         throws MetadataExtractionException

Throws:

MetadataExtractionException

getDerivedFromParentAttributes

protected it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.com.google.common.collect.ImmutableList<Attribute>> getDerivedFromParentAttributes(OntopViewDefinition ontopViewDefinition,
                                                                                                                                                                           it.unibz.inf.ontop.com.google.common.collect.ImmutableList<Attribute> parentAttributes)

Parent attributes are expected to all come from the same parent