Package com.hp.hpl.jena.query

Examples of com.hp.hpl.jena.query.QueryExecException

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        push(opTable.getTable()) ;
    }

    @Override
    public void visit(OpExt opExt)
    { throw new QueryExecException("Encountered OpExt during execution of reference engine") ; }
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            // Check is already has a value; if so, must be sameValueAs
            if ( b.contains(v) )
            {
                // Optimization may linearize to push a stream through an (extend). 
                if ( false && mustBeNewVar )
                    throw new QueryExecException("Already set: "+v) ;
               
                Node n2 = b.get(v) ;
                if ( ! n2.sameValueAs(n) )
                    //throw new QueryExecException("Already set: "+v) ;
                    // Error in single assignment.
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            if ( paramsMap != null )
            {
                for (String param : paramsMap.keySet())
                {  
                    if ( HttpParams.pQuery.equals(param) )
                        throw new QueryExecException("ARQ serviceParams overrides the 'query' SPARQL protocol parameter") ;

                    List<String> values = paramsMap.get(param) ;
                    for (String value : values)
                        params.addParam(param, value) ;
                }
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        limit = numItems ;
        if ( limit == Query.NOLIMIT )
            limit = Long.MAX_VALUE ;

        if ( limit < 0 )
            throw new QueryExecException("Negative LIMIT: "+limit) ;
       
        if ( limit == 0 )
        {
            // Keep Java happy.
            Iterator<Binding> iter0 = Iter.nullIterator() ;
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{
    @Override
    public QueryIterator execEvaluated(Binding binding, Node subject, Node predicate, Node object, ExecutionContext execCxt)
    {
        if ( subject.isVariable() && object.isVariable() )
            throw new QueryExecException("Both subject and object are unbound variables: "+FmtUtils.stringForNode(predicate)) ;
        if ( subject.isVariable() )
            // Object not a variable or already bound
            return IterLib.oneResult(binding, Var.alloc(subject), object, execCxt) ;
        if ( object.isVariable() )
            // Subjects not a variable or already bound
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        limit = numItems ;
        if ( limit == Query.NOLIMIT )
            limit = Long.MAX_VALUE ;

        if ( limit < 0 )
            throw new QueryExecException("Negative LIMIT: "+limit) ;
        if ( offset < 0 )
            throw new QueryExecException("Negative OFFSET: "+offset) ;
       
        count = 0 ;
        // Offset counts from 0 (the no op).
        for ( int i = 0 ; i < offset ; i++ )
        {
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    {
        for ( Iterator<SortCondition> iter = conditions.iterator() ; iter.hasNext() ; )
        {
            SortCondition sc = iter.next() ;
            if ( sc.expression == null )
                throw new QueryExecException("Broken sort condition") ;

            NodeValue nv1 = null ;
            NodeValue nv2 = null ;
           
            try { nv1 = sc.expression.eval(bind1, env) ; }
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            // Length checked in build
            match = argSubject.getArg(0) ;
            score = argSubject.getArg(1) ;
           
            if ( ! score.isVariable() )
                throw new QueryExecException("Hit score is not a variable: "+argSubject) ;
        }
        else
        {
            match = argSubject.getArg() ;
            //score = null ;
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        push(opTable.getTable()) ;
    }

    @Override
    public void visit(OpExt opExt)
    { throw new QueryExecException("Encountered OpExt during execution of reference engine") ; }
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            QueryIterator qIter = opExt.eval(input, execCxt) ;
            if ( qIter != null )
                return qIter ;
        } catch (UnsupportedOperationException ex) { }
        // null or UnsupportedOperationException
        throw new QueryExecException("Encountered unsupported OpExt: "+opExt.getName()) ;
    }
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