Examples with ARQInternalErrorException org.apache.jena.sparql.ARQInternalErrorException used on opensource projects

Example 21 with ARQInternalErrorException

use of org.apache.jena.sparql.ARQInternalErrorException in project jena by apache.

the class QueryIterProcessBinding method hasNextBinding.

/**
     * Are there any more acceptable objects.
     * 
     * @return true if there is another acceptable object.
     */
@Override
protected boolean hasNextBinding() {
    // Needs to be idempotent.?
    if (isFinished())
        return false;
    if (nextBinding != null)
        return true;
    // Null iterator.
    if (getInput() == null)
        throw new ARQInternalErrorException(Lib.className(this) + ": Null iterator");
    while (getInput().hasNext()) {
        // Skip forward until a binding to return is found.
        Binding input = getInput().nextBinding();
        Binding output = accept(input);
        if (output != null) {
            nextBinding = output;
            return true;
        }
    }
    nextBinding = null;
    return false;
}

Example 22 with ARQInternalErrorException

use of org.apache.jena.sparql.ARQInternalErrorException in project jena by apache.

the class QueryIterPeek method moveToNextBinding.

@Override
protected Binding moveToNextBinding() {
    if (!hasNextBinding())
        throw new ARQInternalErrorException("No next binding");
    Binding b = binding;
    binding = null;
    return b;
}

Example 23 with ARQInternalErrorException

use of org.apache.jena.sparql.ARQInternalErrorException in project jena by apache.

the class NodeUtils method compareLiteralsBySyntax.

/** Compare literals by kind - not by value.
     *  Gives a determinitics, stable, arbitrary ordering between unrelated literals.
     * 
     * Ordering:
     *  <ol> 
     *  <li>By lexical form</li>
     *  <li> For same lexical form:
     *       <ul> 
     *       <li>  RDF 1.0 : simple literal < literal by lang < literal with type
     *       <li>  RDF 1.1 : xsd:string < rdf:langString < other dataypes.<br/>
     *             This is the closest to SPARQL 1.1: treat xsd:string as a simple literal</ul></li>
     *  <li> Lang by sorting on language tag (first case insensistive then case sensitive)
     *  <li> Datatypes by URI
     *  </ol>
     */
private static int compareLiteralsBySyntax(Node node1, Node node2) {
    if (node1 == null || !node1.isLiteral() || node2 == null || !node2.isLiteral())
        throw new ARQInternalErrorException("compareLiteralsBySyntax called with non-literal: (" + node1 + "," + node2 + ")");
    if (node1.equals(node2))
        return Expr.CMP_EQUAL;
    String lex1 = node1.getLiteralLexicalForm();
    String lex2 = node2.getLiteralLexicalForm();
    int x = StrUtils.strCompare(lex1, lex2);
    if (x != Expr.CMP_EQUAL)
        return x;
    // Same lexical form. Not .equals()
    if (// node2 not a simple string because they
    isSimpleString(node1))
        // would be .equals
        return Expr.CMP_LESS;
    if (isSimpleString(node2))
        return Expr.CMP_GREATER;
    // Both language strings?
    if (isLangString(node1) && isLangString(node2)) {
        String lang1 = node1.getLiteralLanguage();
        String lang2 = node2.getLiteralLanguage();
        x = StrUtils.strCompareIgnoreCase(lang1, lang2);
        if (x != Expr.CMP_EQUAL)
            return x;
        x = StrUtils.strCompare(lang1, lang2);
        if (x != Expr.CMP_EQUAL)
            return x;
        throw new ARQInternalErrorException("compareLiteralsBySyntax: lexical form and languages tags identical on non.equals literals");
    }
    // One a language string?
    if (isLangString(node1))
        return Expr.CMP_LESS;
    if (isLangString(node2))
        return Expr.CMP_GREATER;
    // Both have other datatypes. Neither simple nor language tagged.
    String dt1 = node1.getLiteralDatatypeURI();
    String dt2 = node2.getLiteralDatatypeURI();
    // Two datatypes.
    return StrUtils.strCompare(dt1, dt2);
}

Example 24 with ARQInternalErrorException

use of org.apache.jena.sparql.ARQInternalErrorException in project jena by apache.

the class ModelUtils method tripleToStatement.

public static Statement tripleToStatement(Model model, Triple t) {
    if (model == null)
        throw new ARQInternalErrorException("Attempt to create statement with null model");
    Node sNode = t.getSubject();
    Node pNode = t.getPredicate();
    Node oNode = t.getObject();
    if (!isValidAsStatement(sNode, pNode, oNode))
        return null;
    return model.asStatement(t);
}

Example 25 with ARQInternalErrorException

use of org.apache.jena.sparql.ARQInternalErrorException in project jena by apache.

the class qparse method exec.

@Override
protected void exec() {
    try {
        Query query = modQuery.getQuery();
        try {
            LogCtl.disable(ParserBase.ParserLoggerName);
            QueryUtils.checkQuery(query, true);
        } catch (QueryCheckException ex) {
            System.err.println();
            System.err.println("**** Check failure: " + ex.getMessage());
            if (ex.getCause() != null)
                ex.getCause().printStackTrace(System.err);
        } finally {
            LogCtl.setLevel(ParserBase.ParserLoggerName, "INFO");
        }
        // Print the query out in some syntax
        if (printQuery) {
            divider();
            modOutput.output(query);
        }
        // Print internal forms.
        if (printOp) {
            divider();
            modOutput.outputOp(query, false);
        }
        if (printQuad) {
            divider();
            modOutput.outputQuad(query, false);
        }
        if (printOpt) {
            divider();
            modOutput.outputOp(query, true);
        }
        if (printQuadOpt) {
            divider();
            modOutput.outputQuad(query, true);
        }
        if (printPlan) {
            divider();
            // This forces internal query initialization - must be after QueryUtils.checkQuery
            QueryExecution qExec = QueryExecutionFactory.create(query, DatasetFactory.createGeneral());
            QueryOutputUtils.printPlan(query, qExec);
        }
    } catch (ARQInternalErrorException intEx) {
        System.err.println(intEx.getMessage());
        if (intEx.getCause() != null) {
            System.err.println("Cause:");
            intEx.getCause().printStackTrace(System.err);
            System.err.println();
        }
        intEx.printStackTrace(System.err);
    } catch (ResultSetException ex) {
        System.err.println(ex.getMessage());
        ex.printStackTrace(System.err);
    } catch (QueryException qEx) {
        //System.err.println(qEx.getMessage()) ;
        throw new CmdException("Query Exeception", qEx);
    } catch (JenaException ex) {
        ex.printStackTrace();
        throw ex;
    } catch (CmdException ex) {
        throw ex;
    } catch (Exception ex) {
        throw new CmdException("Exception", ex);
    }
}