Examples with RepositoryException org.eclipse.rdf4j.repository.RepositoryException used on opensource projects

Example 56 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method getStatementsQuadMode.

private RepositoryResult<Statement> getStatementsQuadMode(Resource subj, IRI pred, Value obj, boolean includeInferred, Resource... contexts) throws MalformedQueryException, RepositoryException, QueryEvaluationException {
    TupleQueryResult qRes = null;
    RepositoryResult<Statement> result = null;
    boolean allGood = false;
    try {
        TupleQuery tupleQuery = prepareTupleQuery(SPARQL, EVERYTHING_WITH_GRAPH);
        setBindings(tupleQuery, subj, pred, obj, contexts);
        tupleQuery.setIncludeInferred(includeInferred);
        qRes = tupleQuery.evaluate();
        result = new RepositoryResult<Statement>(new ExceptionConvertingIteration<Statement, RepositoryException>(toStatementIteration(qRes, subj, pred, obj)) {

            @Override
            protected RepositoryException convert(Exception e) {
                return new RepositoryException(e);
            }
        });
        allGood = true;
        return result;
    } finally {
        if (!allGood) {
            try {
                if (result != null) {
                    result.close();
                }
            } finally {
                if (qRes != null) {
                    qRes.close();
                }
            }
        }
    }
}

Example 57 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method getStatementsSingleTriple.

private RepositoryResult<Statement> getStatementsSingleTriple(Resource subj, IRI pred, Value obj, boolean includeInferred, Resource... contexts) throws RepositoryException {
    if (hasStatement(subj, pred, obj, includeInferred, contexts)) {
        Statement st = getValueFactory().createStatement(subj, pred, obj);
        CloseableIteration<Statement, RepositoryException> cursor;
        cursor = new SingletonIteration<Statement, RepositoryException>(st);
        return new RepositoryResult<Statement>(cursor);
    } else {
        return new RepositoryResult<Statement>(new EmptyIteration<Statement, RepositoryException>());
    }
}

Example 58 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class SPARQLConnection method commit.

public void commit() throws RepositoryException {
    synchronized (transactionLock) {
        if (isActive()) {
            synchronized (transactionLock) {
                SPARQLUpdate transaction = new SPARQLUpdate(client, null, sparqlTransaction.toString());
                try {
                    transaction.execute();
                } catch (UpdateExecutionException e) {
                    throw new RepositoryException("error executing transaction", e);
                }
                sparqlTransaction = null;
            }
        } else {
            throw new RepositoryException("no transaction active.");
        }
    }
}

Example 59 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class HTTPTupleQuery method evaluate.

public void evaluate(TupleQueryResultHandler handler) throws QueryEvaluationException, TupleQueryResultHandlerException {
    SPARQLProtocolSession client = getHttpClient();
    try {
        conn.flushTransactionState(Protocol.Action.QUERY);
        client.sendTupleQuery(queryLanguage, queryString, baseURI, dataset, includeInferred, getMaxExecutionTime(), handler, getBindingsArray());
    } catch (IOException e) {
        throw new HTTPQueryEvaluationException(e.getMessage(), e);
    } catch (RepositoryException e) {
        throw new HTTPQueryEvaluationException(e.getMessage(), e);
    } catch (MalformedQueryException e) {
        throw new HTTPQueryEvaluationException(e.getMessage(), e);
    }
}

Example 60 with RepositoryException

use of org.eclipse.rdf4j.repository.RepositoryException in project rdf4j by eclipse.

the class HTTPRepositoryConnection method begin.

public void begin() throws RepositoryException {
    verifyIsOpen();
    verifyNotTxnActive("Connection already has an active transaction");
    if (this.getRepository().useCompatibleMode()) {
        active = true;
        return;
    }
    try {
        client.beginTransaction(this.getIsolationLevel());
        active = true;
    } catch (RepositoryException e) {
        throw e;
    } catch (RDF4JException e) {
        throw new RepositoryException(e);
    } catch (IllegalStateException e) {
        throw new RepositoryException(e);
    } catch (IOException e) {
        throw new RepositoryException(e);
    }
}