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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`evaluateBooleanQuery(QueryLanguage queryLn, String queryString, QueryResultWriter writer)`	Evaluate a boolean SPARQL query
`protected void`	`evaluateGraphQuery(QueryLanguage queryLn, String queryString, RDFWriter writer, Collection<Namespace> namespaces)`	Evaluate SPARQL graph query
`protected void`	`evaluateTupleQuery(QueryLanguage queryLn, String queryString, QueryResultWriter writer)`	Evaluate SPARQL tuple query and send the output to a writer.
`protected void`	`executeUpdate(QueryLanguage queryLn, String queryString)`	Execute a SPARQL 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 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 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 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 update

Parameters:: queryLn - query language; queryString - query string
Throws:: RepositoryException; UpdateExecutionException; MalformedQueryException

Class TupleAndGraphQueryEvaluator