Examples with InternalErrorException org.apache.jena.atlas.lib.InternalErrorException used on opensource projects

Example 11 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class LibSDB method findTriples.

/** Find triples, in the default graph or a named graph. */
public static Iterator<Triple> findTriples(DatasetGraph dsg, Node g, Node s, Node p, Node o) {
    if (Var.isVar(g))
        throw new InternalErrorException("Graph node is a variable : " + g);
    final Node vs = varOrConst(s, "s");
    final Node vp = varOrConst(p, "p");
    final Node vo = varOrConst(o, "o");
    // Evaluate as an algebra expression
    Triple triple = new Triple(vs, vp, vo);
    BasicPattern pattern = new BasicPattern();
    pattern.add(triple);
    Op op = (g != null) ? new OpQuadPattern(g, pattern) : new OpBGP(pattern);
    Plan plan = QueryEngineSDB.getFactory().create(op, dsg, BindingRoot.create(), null);
    QueryIterator qIter = plan.iterator();
    Iterator<Binding> iter;
    if (SDB.getContext().isTrue(SDB.streamGraphAPI)) {
        // Assumes iterator closed properly.
        iter = qIter;
    } else {
        // ---- Safe version: 
        List<Binding> x = Iter.toList(qIter);
        Iterator<Binding> qIter2 = x.iterator();
        qIter.close();
        iter = qIter2;
    }
    return Iter.map(iter, (b) -> bindingToTriple(vs, vp, vo, b));
}

Example 12 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class TupleLib method triple.

private static Triple triple(NodeTable nodeTable, NodeId s, NodeId p, NodeId o) {
    if (!NodeId.isConcrete(s))
        throw new InternalErrorException("Invalid id for subject: " + fmt(s, p, o));
    if (!NodeId.isConcrete(p))
        throw new InternalErrorException("Invalid id for predicate: " + fmt(s, p, o));
    if (!NodeId.isConcrete(o))
        throw new InternalErrorException("Invalid id for object: " + fmt(s, p, o));
    Node sNode = nodeTable.getNodeForNodeId(s);
    if (sNode == null)
        throw new InternalErrorException("Invalid id node for subject (null node): " + fmt(s, p, o));
    Node pNode = nodeTable.getNodeForNodeId(p);
    if (pNode == null) {
        nodeTable.getNodeForNodeId(p);
        throw new InternalErrorException("Invalid id node for predicate (null node): " + fmt(s, p, o));
    }
    Node oNode = nodeTable.getNodeForNodeId(o);
    if (oNode == null)
        throw new InternalErrorException("Invalid id node for object (null node): " + fmt(s, p, o));
    return new Triple(sNode, pNode, oNode);
}

Example 13 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class DatasetGraphInMemory method _commit.

private void _commit() {
    withLock(systemLock, () -> {
        quadsIndex().commit();
        defaultGraph().commit();
        quadsIndex().end();
        defaultGraph().end();
        if (transactionType().equals(WRITE)) {
            if (version.get() != generation.get())
                throw new InternalErrorException(String.format("Version=%d, Generation=%d", version.get(), generation.get()));
            generation.incrementAndGet();
        }
    });
}

Example 14 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class NodeTransformExpr method transform.

/** Transform node then create a {@link ExprVar} or {@link NodeValue}. */
private Expr transform(Node input) {
    Node n = transform.apply(input);
    if (n == null)
        throw new InternalErrorException("NodeTransform creates a null");
    if (!Var.isVar(n))
        return NodeValue.makeNode(n);
    String name = Var.alloc(n).getVarName();
    return new ExprVar(n.getName());
}

Example 15 with InternalErrorException

use of org.apache.jena.atlas.lib.InternalErrorException in project jena by apache.

the class SPARQL_QueryGeneral method datasetFromDescription.

/**
     * Construct a Dataset based on a dataset description.
     */
protected static Dataset datasetFromDescription(HttpAction action, DatasetDescription datasetDesc) {
    try {
        if (datasetDesc == null)
            return null;
        if (datasetDesc.isEmpty())
            return null;
        List<String> graphURLs = datasetDesc.getDefaultGraphURIs();
        List<String> namedGraphs = datasetDesc.getNamedGraphURIs();
        if (graphURLs.size() == 0 && namedGraphs.size() == 0)
            return null;
        Dataset dataset = DatasetFactory.createGeneral();
        // ---- Default graph
        {
            Model model = ModelFactory.createDefaultModel();
            for (String uri : graphURLs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Default graph URI is null or the empty string");
                try {
                    //TODO Clearup - RIOT integration.
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    log.info(format("[%d] Load (default graph) %s", action.id, uri));
                } catch (RiotException ex) {
                    log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    log.info(format("[%d] Failed to load (default) %s: %s", action.id, uri, ex.getMessage()));
                    errorBadRequest("Failed to load URL " + uri);
                }
            }
            dataset.setDefaultModel(model);
        }
        // ---- Named graphs
        if (namedGraphs != null) {
            for (String uri : namedGraphs) {
                if (uri == null || uri.equals(""))
                    throw new InternalErrorException("Named graph URI is null or the empty string");
                try {
                    Model model = ModelFactory.createDefaultModel();
                    GraphLoadUtils.loadModel(model, uri, MaxTriples);
                    log.info(format("[%d] Load (named graph) %s", action.id, uri));
                    dataset.addNamedModel(uri, model);
                } catch (RiotException ex) {
                    log.info(format("[%d] Parsing error loading %s: %s", action.id, uri, ex.getMessage()));
                    errorBadRequest("Failed to load URL (parse error) " + uri + " : " + ex.getMessage());
                } catch (Exception ex) {
                    log.info(format("[%d] Failed to load (named graph) %s: %s", action.id, uri, ex.getMessage()));
                    errorBadRequest("Failed to load URL " + uri);
                }
            }
        }
        return dataset;
    } catch (ActionErrorException ex) {
        throw ex;
    } catch (Exception ex) {
        log.info(format("[%d] SPARQL parameter error: " + ex.getMessage(), action.id, ex));
        errorBadRequest("Parameter error: " + ex.getMessage());
        return null;
    }
}