org.aksw.sparqlify.util

Class SparqlifyUtils

java.lang.Object

org.aksw.sparqlify.util.SparqlifyUtils

public class SparqlifyUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
SparqlifyUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static Config	createConfig(String str, org.slf4j.Logger logger)
static DataSource	createDefaultDatabase(String name)
static DataSource	createDefaultDatabase(String name, InputStream in)
static DataSource	createDefaultDatabase(String name, String sqlStr)
static MappingOps	createDefaultMappingOps(ExprRewriteSystem ers)
static OpMappingRewriter	createDefaultOpMappingRewriter(ExprRewriteSystem ers)
static QueryExecutionFactoryEx	createDefaultSparqlifyEngine(DataSource dataSource, Config config, Long maxResultSetSize, Integer maxQueryExecutionTimeInSeconds)
static SparqlSqlStringRewriterImpl	createDefaultSparqlSqlStringRewriter(DataSource dataSource, Config config, Long maxResultSetSize, Integer maxQueryExecutionTime) This method creates all required intermediary objects
static ViewDefinitionFactory	createDummyViewDefinitionFactory(Map<String,String> typeAlias)
static ExprRewriteSystem	createExprRewriteSystem()
static QueryExecutionFactoryExImpl	createQueryExecutionFactoryEx(DataSource dataSource, SparqlSqlOpRewriter sparqlSqlOpRewriter, SqlOpSerializer sqlOpSerializer)
static SqlExprSerializerSystem	createSerializerSystem(TypeSystem typeSystem) Deprecated.
static SparqlSqlStringRewriter	createSparqlSqlStringRewriter(SparqlSqlOpRewriter ssoRewriter, TypeSystem typeSystem)
static SparqlSqlOpRewriter	createSqlOpRewriter(CandidateViewSelector<ViewDefinition> candidateViewSelector, OpMappingRewriter opMappingRewriter, TypeSystem datatypeSystem, org.aksw.commons.util.jdbc.Schema databaseSchema)
static SqlTranslator	createSqlRewriter()
static SqlTranslator	createSqlRewriter(TypeSystem datatypeSystem, RdfTermEliminator rdfTermEliminator, ExprEvaluator exprTransformer)
static SqlTranslator	createSqlTranslator(ExprRewriteSystem rewriteSystem)
static DataSource	createTestDatabase()
static SparqlSqlStringRewriter	createTestRewriter(CandidateViewSelector<ViewDefinition> candidateViewSelector, OpMappingRewriter opMappingRewriter, TypeSystem datatypeSystem, org.aksw.commons.util.jdbc.Schema databaseSchema) Deprecated.
static ViewDefinitionFactory	createViewDefinitionFactory(Connection conn, Map<String,String> typeAlias)
static ViewDefinitionFactory	createViewDefinitionFactory(Connection conn, TypeSystem datatypeSystem, Map<String,String> typeAlias)
static com.hp.hpl.jena.graph.Node	getNode(com.hp.hpl.jena.sparql.engine.binding.Binding binding, com.hp.hpl.jena.sparql.core.Var var, com.hp.hpl.jena.graph.Node fallbackNode)
static void	initTestDatabase(Connection conn)
static void	initTestDatabase(DataSource ds)
static List<String>	listTables(Connection conn)
static Config	parseSmlConfig(InputStream in, org.slf4j.Logger logger)
static Config	parseSmlConfig(String str, org.slf4j.Logger logger)
static Config	readConfig(File file)
static Config	readConfig(InputStream in)
static Config	readConfig(InputStream in, org.slf4j.Logger logger)
static void	shutdownH2(DataSource dataSource)
static String	toUtf8String(ByteArrayOutputStream baos)
static CandidateViewSelectorImpl	unwrapCandidateViewSelector(SparqlSqlOpRewriterImpl opRewriter)
static SparqlSqlOpRewriterImpl	unwrapOpRewriter(org.aksw.jena_sparql_api.core.QueryExecutionFactory qef)
static SqlTranslator	unwrapSqlTransformer(SparqlSqlOpRewriterImpl opRewriter)

Methods inherited from class java.lang.Object

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

Constructor Detail

SparqlifyUtils

public SparqlifyUtils()

Method Detail

toUtf8String

public static String toUtf8String(ByteArrayOutputStream baos)

initTestDatabase

public static void initTestDatabase(DataSource ds)
                             throws SQLException

Throws:

SQLException

initTestDatabase

public static void initTestDatabase(Connection conn)
                             throws SQLException

Throws:

SQLException

createTestDatabase

public static DataSource createTestDatabase()
                                     throws SQLException

Throws:

SQLException

createDefaultDatabase

public static DataSource createDefaultDatabase(String name)

shutdownH2

public static void shutdownH2(DataSource dataSource)
                       throws SQLException

Throws:

SQLException

createDefaultDatabase

public static DataSource createDefaultDatabase(String name,
                               InputStream in)
                                        throws SQLException,
                                               IOException

Throws:

SQLException

IOException

createDefaultDatabase

public static DataSource createDefaultDatabase(String name,
                               String sqlStr)
                                        throws SQLException

Throws:

SQLException

createViewDefinitionFactory

public static ViewDefinitionFactory createViewDefinitionFactory(Connection conn,
                                                Map<String,String> typeAlias)
                                                         throws IOException

Throws:

IOException

createViewDefinitionFactory

public static ViewDefinitionFactory createViewDefinitionFactory(Connection conn,
                                                TypeSystem datatypeSystem,
                                                Map<String,String> typeAlias)
                                                         throws IOException

Throws:

IOException

createDummyViewDefinitionFactory

public static ViewDefinitionFactory createDummyViewDefinitionFactory(Map<String,String> typeAlias)

createSerializerSystem

@Deprecated
public static SqlExprSerializerSystem createSerializerSystem(TypeSystem typeSystem)

Deprecated.

createSqlRewriter

public static SqlTranslator createSqlRewriter()

createSqlTranslator

public static SqlTranslator createSqlTranslator(ExprRewriteSystem rewriteSystem)

createSqlRewriter

public static SqlTranslator createSqlRewriter(TypeSystem datatypeSystem,
                              RdfTermEliminator rdfTermEliminator,
                              ExprEvaluator exprTransformer)

readConfig

public static Config readConfig(File file)
                         throws IOException,
                                org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

readConfig

public static Config readConfig(InputStream in)
                         throws IOException,
                                org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

readConfig

public static Config readConfig(InputStream in,
                org.slf4j.Logger logger)
                         throws IOException,
                                org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

createConfig

public static Config createConfig(String str,
                  org.slf4j.Logger logger)
                           throws IOException,
                                  org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

listTables

public static List<String> listTables(Connection conn)
                               throws SQLException

Throws:

SQLException

createDefaultMappingOps

public static MappingOps createDefaultMappingOps(ExprRewriteSystem ers)

createDefaultOpMappingRewriter

public static OpMappingRewriter createDefaultOpMappingRewriter(ExprRewriteSystem ers)

createDefaultSparqlifyEngine

public static QueryExecutionFactoryEx createDefaultSparqlifyEngine(DataSource dataSource,
                                                   Config config,
                                                   Long maxResultSetSize,
                                                   Integer maxQueryExecutionTimeInSeconds)
                                                            throws SQLException,
                                                                   IOException

Throws:

SQLException

IOException

createDefaultSparqlSqlStringRewriter

public static SparqlSqlStringRewriterImpl createDefaultSparqlSqlStringRewriter(DataSource dataSource,
                                                               Config config,
                                                               Long maxResultSetSize,
                                                               Integer maxQueryExecutionTime)
                                                                        throws SQLException,
                                                                               IOException

This method creates all required intermediary objects

Parameters:

dataSource -

config -

maxResultSetSize -

maxQueryExecutionTime -

Returns:

Throws:

SQLException

IOException

createSparqlSqlStringRewriter

public static SparqlSqlStringRewriter createSparqlSqlStringRewriter(SparqlSqlOpRewriter ssoRewriter,
                                                    TypeSystem typeSystem)

createSqlOpRewriter

public static SparqlSqlOpRewriter createSqlOpRewriter(CandidateViewSelector<ViewDefinition> candidateViewSelector,
                                      OpMappingRewriter opMappingRewriter,
                                      TypeSystem datatypeSystem,
                                      org.aksw.commons.util.jdbc.Schema databaseSchema)
                                               throws SQLException,
                                                      IOException

Throws:

SQLException

IOException

createTestRewriter

@Deprecated
public static SparqlSqlStringRewriter createTestRewriter(CandidateViewSelector<ViewDefinition> candidateViewSelector,
                                                    OpMappingRewriter opMappingRewriter,
                                                    TypeSystem datatypeSystem,
                                                    org.aksw.commons.util.jdbc.Schema databaseSchema)
                                                  throws SQLException,
                                                         IOException

Deprecated.

Creates a full blown SPARQL SQL rewriter object, comprised of: - a candidate view selector (TODO rename: actually this object actually returnes a transformed algebra expression; rather than just selecting candidates. - a op

Returns:

Throws:

SQLException

IOException

parseSmlConfig

public static Config parseSmlConfig(String str,
                    org.slf4j.Logger logger)
                             throws IOException,
                                    org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

parseSmlConfig

public static Config parseSmlConfig(InputStream in,
                    org.slf4j.Logger logger)
                             throws IOException,
                                    org.antlr.runtime.RecognitionException

Throws:

IOException

org.antlr.runtime.RecognitionException

getNode

public static com.hp.hpl.jena.graph.Node getNode(com.hp.hpl.jena.sparql.engine.binding.Binding binding,
                                 com.hp.hpl.jena.sparql.core.Var var,
                                 com.hp.hpl.jena.graph.Node fallbackNode)

createQueryExecutionFactoryEx

public static QueryExecutionFactoryExImpl createQueryExecutionFactoryEx(DataSource dataSource,
                                                        SparqlSqlOpRewriter sparqlSqlOpRewriter,
                                                        SqlOpSerializer sqlOpSerializer)

createExprRewriteSystem

public static ExprRewriteSystem createExprRewriteSystem()

unwrapOpRewriter

public static SparqlSqlOpRewriterImpl unwrapOpRewriter(org.aksw.jena_sparql_api.core.QueryExecutionFactory qef)

unwrapSqlTransformer

public static SqlTranslator unwrapSqlTransformer(SparqlSqlOpRewriterImpl opRewriter)

unwrapCandidateViewSelector

public static CandidateViewSelectorImpl unwrapCandidateViewSelector(SparqlSqlOpRewriterImpl opRewriter)