org.eclipse.rdf4j.console.command

Class TupleAndGraphQueryEvaluator

java.lang.Object

org.eclipse.rdf4j.console.command.TupleAndGraphQueryEvaluator

public class TupleAndGraphQueryEvaluator
extends Object

Evaluator tuple and graph queries

Author:

dale

Constructor Summary

Constructors

Constructor and Description
TupleAndGraphQueryEvaluator(ConsoleIO consoleIO, ConsoleState state, Map<String,ConsoleSetting> settings) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	evaluateBooleanQuery(QueryLanguage queryLn, String queryString, QueryResultWriter writer) Evaluate a boolean SPARQL or SERQL query
protected void	evaluateGraphQuery(QueryLanguage queryLn, String queryString, RDFWriter writer, Collection<Namespace> namespaces) Evaluate SPARQL or SERQL graph query
protected void	evaluateTupleQuery(QueryLanguage queryLn, String queryString, QueryResultWriter writer) Evaluate SPARQL or SERQL tuple query and send the output to a writer.
protected void	executeUpdate(QueryLanguage queryLn, String queryString) Execute a SPARQL or SERQL update
protected ConsoleIO	getConsoleIO() Get console IO
protected Map<String,ConsoleSetting>	getConsoleSettings() Get console settings
protected ConsoleState	getConsoleState() Get console State

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleAndGraphQueryEvaluator

public TupleAndGraphQueryEvaluator(ConsoleIO consoleIO,
                                   ConsoleState state,
                                   Map<String,ConsoleSetting> settings)

Constructor

Parameters:

consoleIO -

state -

settings -

Method Detail

getConsoleIO

protected ConsoleIO getConsoleIO()

Get console IO

Returns:

console IO

getConsoleState

protected ConsoleState getConsoleState()

Get console State

Returns:

console state

getConsoleSettings

protected Map<String,ConsoleSetting> getConsoleSettings()

Get console settings

Returns:

console settings

evaluateTupleQuery

protected void evaluateTupleQuery(QueryLanguage queryLn,
                                  String queryString,
                                  QueryResultWriter writer)
                           throws UnsupportedQueryLanguageException,
                                  MalformedQueryException,
                                  QueryEvaluationException,
                                  RepositoryException

Evaluate SPARQL or SERQL tuple query and send the output to a writer. If writer is null, the console will be used for output.

Parameters:

queryLn - query language

queryString - query string

writer - result writer or null

Throws:

UnsupportedQueryLanguageException

MalformedQueryException

QueryEvaluationException

RepositoryException

evaluateGraphQuery

protected void evaluateGraphQuery(QueryLanguage queryLn,
                                  String queryString,
                                  RDFWriter writer,
                                  Collection<Namespace> namespaces)
                           throws UnsupportedQueryLanguageException,
                                  MalformedQueryException,
                                  QueryEvaluationException,
                                  RepositoryException

Evaluate SPARQL or SERQL graph query

Parameters:

queryLn - query language

queryString - query string

writer - RDFWriter to write the results to

namespaces - namespaces to write to the RDFWriter

Throws:

UnsupportedQueryLanguageException

MalformedQueryException

QueryEvaluationException

RepositoryException

evaluateBooleanQuery

protected void evaluateBooleanQuery(QueryLanguage queryLn,
                                    String queryString,
                                    QueryResultWriter writer)
                             throws UnsupportedQueryLanguageException,
                                    MalformedQueryException,
                                    QueryEvaluationException,
                                    RepositoryException

Evaluate a boolean SPARQL or SERQL query

Parameters:

queryLn - query language

queryString - query string

writer -

Throws:

UnsupportedQueryLanguageException

MalformedQueryException

QueryEvaluationException

RepositoryException

executeUpdate

protected void executeUpdate(QueryLanguage queryLn,
                             String queryString)
                      throws RepositoryException,
                             UpdateExecutionException,
                             MalformedQueryException

Execute a SPARQL or SERQL update

Parameters:

queryLn - query language

queryString - query string

Throws:

RepositoryException

UpdateExecutionException

MalformedQueryException