Package lupos.engine.operators.singleinput

Examples of lupos.engine.operators.singleinput.Projection.addProjectionElement()

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  }

  private BasicOperator zeroPath(final Node node, final Item graphConstraint, final Variable subject, final Variable object, final Node subjectNode, final Node objectNode) {
    if (!getItem(subjectNode).isVariable() && !getItem(objectNode).isVariable()){
      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      // TODO consider graphConstraint!
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  private BasicOperator zeroPath(final Node node, final Item graphConstraint, final Variable subject, final Variable object, final Node subjectNode, final Node objectNode) {
    if (!getItem(subjectNode).isVariable() && !getItem(objectNode).isVariable()){
      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      // TODO consider graphConstraint!
      this.indexScanCreator.createEmptyIndexScanSubmittingQueryResultWithOneEmptyBindingsAndConnectWithRoot(new OperatorIDTuple(projection,0), graphConstraint);
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    if (!getItem(subjectNode).isVariable() && !getItem(objectNode).isVariable()){
      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      // TODO consider graphConstraint!
      this.indexScanCreator.createEmptyIndexScanSubmittingQueryResultWithOneEmptyBindingsAndConnectWithRoot(new OperatorIDTuple(projection,0), graphConstraint);
      return projection;
    } else if (!getItem(subjectNode).isVariable()){
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      tp = new TriplePattern(items.clone());
      temp.add(tp);
      this.indexScanCreator.createIndexScanAndConnectWithRoot(new OperatorIDTuple(union,1), temp, graphConstraint);

      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      final ASTVar n = new ASTVar(100);
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      temp.add(tp);
      this.indexScanCreator.createIndexScanAndConnectWithRoot(new OperatorIDTuple(union,1), temp, graphConstraint);

      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      final ASTVar n = new ASTVar(100);
      n.setName(subject.toString().substring(1));
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      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
      final ASTVar n = new ASTVar(100);
      n.setName(subject.toString().substring(1));
      final Bind bind = new Bind(subject);
      bind.addProjectionElement(object,n);
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      final ReplaceVar replaceVar = new ReplaceVar();
      final ReplaceVar replaceVari = new ReplaceVar();
      final BasicOperator startingOperator = node.jjtGetChild(0).accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);

      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }
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      final ReplaceVar replaceVari = new ReplaceVar();
      final BasicOperator startingOperator = node.jjtGetChild(0).accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);

      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }

      final InMemoryDistinct memoryDistinct = new InMemoryDistinct();
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      final Projection projection = new Projection();
      projection.addProjectionElement(subject);
      projection.addProjectionElement(object);
      if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
        projection.addProjectionElement((Variable)graphConstraint);
      }

      final InMemoryDistinct memoryDistinct = new InMemoryDistinct();
      try {
        final Filter filter = new Filter("(" + subject + " != " + object + ")");
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    }

    union.addSucceedingOperator(new OperatorIDTuple(minus,1));

    final Projection projection = new Projection();
    projection.addProjectionElement(subject);
    projection.addProjectionElement(object);
    if(graphConstraint!=null && graphConstraint.isVariable() && !graphConstraint.equals(getItem(subjectNode)) && !graphConstraint.equals(getItem(objectNode))) {
      projection.addProjectionElement((Variable)graphConstraint);
    }
    minus.addSucceedingOperator(new OperatorIDTuple(projection,0));
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