Package com.hp.hpl.jena.sparql.expr

Examples of com.hp.hpl.jena.sparql.expr.ExprAggregator

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                if ( e != null )    // Null means "no relevant expression" e.g. COUNT(*)
                    ExprTransformer.transform(exprTransform, e) ;
                if ( e != e2 )
                    changed = true ;
                Aggregator a2 = aggregator.copy(e2) ;
                aggs2.add(new ExprAggregator(eVar2.asVar(), a2)) ;
            }

            OpGroup opGroup2 = opGroup ;
            if ( changed )
                opGroup2 = new OpGroup(opGroup.getSubOp(), varExpr2, aggs2) ;
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                    BindingMap binding = BindingFactory.create() ;

                    for ( Iterator<ExprAggregator> aggIter = aggregators.iterator() ; aggIter.hasNext() ; )
                    {
                        ExprAggregator agg = aggIter.next();
                        Var v = agg.getVar() ;
                        Node value = agg.getAggregator().getValueEmpty() ;
                        if ( value != null )
                            binding.add(v, value) ;
                    }
                       
                    if ( binding == null )
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        String key = agg.key() ;
       
        Var v = aggregatorsAllocated.get(key);
        if ( v != null )
        {
            ExprAggregator eAgg = aggregatorsMap.get(v) ;
            if ( ! agg.equals(eAgg.getAggregator()) )
                Log.warn(Query.class, "Internal inconsistency: Aggregator: "+agg) ;
            return eAgg ;
        }
        // Allocate.
        v = allocInternVar() ;
        ExprAggregator aggExpr = new ExprAggregator(v, agg) ;
        aggregatorsAllocated.put(key, v) ;
        aggregatorsMap.put(v, aggExpr) ;
        aggregators.add(aggExpr) ;
        return aggExpr ;
    }
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                start() ;
                out.incIndent() ;
                boolean first = true ;
                for ( Iterator<ExprAggregator> iter = opGroup.getAggregators().iterator() ; iter.hasNext() ; )
                {
                    ExprAggregator agg = iter.next();
                    if ( ! first )
                        out.print(" ") ;
                    first = false ;
                    Var v = agg.getVar() ;
                    String str = agg.getAggregator().toPrefixString() ;
                    start() ;
                    out.print(v.toString()) ;
                    out.print(" ") ;
                    out.print(str) ;
                    finish() ;
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                start() ;
                out.incIndent() ;
                boolean first = true ;
                for ( Iterator<ExprAggregator> iter = opGroup.getAggregators().iterator() ; iter.hasNext() ; )
                {
                    ExprAggregator agg = iter.next();
                    if ( ! first )
                        out.print(" ") ;
                    first = false ;
                    Var v = agg.getVar() ;
                    String str = agg.getAggregator().toPrefixString() ;
                    start() ;
                    out.print(v.toString()) ;
                    out.print(" ") ;
                    out.print(str) ;
                    finish() ;
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        String key = agg.key() ;
       
        Var v = aggregatorsAllocated.get(key);
        if ( v != null )
        {
            ExprAggregator eAgg = aggregatorsMap.get(v) ;
            if ( ! agg.equals(eAgg.getAggregator()) )
                Log.warn(Query.class, "Internal inconsistency: Aggregator: "+agg) ;
            return eAgg ;
        }
        // Allocate.
        v = allocInternVar() ;
        ExprAggregator aggExpr = new ExprAggregator(v, agg) ;
        aggregatorsAllocated.put(key, v) ;
        aggregatorsMap.put(v, aggExpr) ;
        aggregators.add(aggExpr) ;
        return aggExpr ;
    }
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                start() ;
                out.incIndent() ;
                boolean first = true ;
                for ( Iterator<ExprAggregator> iter = opGroup.getAggregators().iterator() ; iter.hasNext() ; )
                {
                    ExprAggregator agg = iter.next();
                    if ( ! first )
                        out.print(" ") ;
                    first = false ;
                    Var v = agg.getVar() ;
                    String str = agg.getAggregator().toPrefixString() ;
                    start() ;
                    out.print(v) ;
                    out.print(" ") ;
                    out.print(str) ;
                    finish() ;
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                    Binding binding = null ;

                    for ( Iterator<ExprAggregator> aggIter = aggregators.iterator() ; aggIter.hasNext() ; )
                    {
                        ExprAggregator agg = aggIter.next();
                        Var v = agg.getVar() ;
                        Node value = agg.getAggregator().getValueEmpty() ;
                        if ( value != null )
                            binding = BindingFactory.binding(v, value) ;
                        else
                            binding = BindingFactory.binding() ;
                    }
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                if ( e != null )    // Null means "no relevant expression" e.g. COUNT(*)
                    ExprTransformer.transform(exprTransform, e) ;
                if ( e != e2 )
                    changed = true ;
                Aggregator a2 = aggregator.copy(e2) ;
                aggs2.add(new ExprAggregator(eVar2.asVar(), a2)) ;
            }

            OpGroup opGroup2 = opGroup ;
            if ( changed )
                opGroup2 = new OpGroup(opGroup.getSubOp(), varExpr2, aggs2) ;
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        String key = agg.key() ;
       
        Var v = aggregatorsAllocated.get(key);
        if ( v != null )
        {
            ExprAggregator eAgg = aggregatorsMap.get(v) ;
            if ( ! agg.equals(eAgg.getAggregator()) )
                Log.warn(Query.class, "Internal inconsistency: Aggregator: "+agg) ;
            return eAgg ;
        }
        // Allocate.
        v = allocInternVar() ;
        ExprAggregator aggExpr = new ExprAggregator(v, agg) ;
        aggregatorsAllocated.put(key, v) ;
        aggregatorsMap.put(v, aggExpr) ;
        aggregators.add(aggExpr) ;
        return aggExpr ;
    }
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Related Classes of com.hp.hpl.jena.sparql.expr.ExprAggregator

  • com.hp.hpl.jena.graph.Node
  • com.hp.hpl.jena.query.Query
  • com.hp.hpl.jena.sparql.algebra.Transformer$ApplyTransformVisitor
  • com.hp.hpl.jena.sparql.core.Var
  • com.hp.hpl.jena.sparql.engine.iterator.QueryIterGroup
  • com.hp.hpl.jena.sparql.expr.aggregate.Aggregator
  • com.hp.hpl.jena.sparql.sse.writers.WriterOp$OpWriterWorker
  • com.hp.hpl.jena.sparql.ARQInternalErrorException
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