Package org.openrdf.query.algebra

Examples of org.openrdf.query.algebra.SingletonSet

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   */
  public TupleExpr buildTupleExpr() {
    TupleExpr result;

    if (requiredTEs.isEmpty()) {
      result = new SingletonSet();
    }
    else if (requiredTEs.size() == 1) {
      result = requiredTEs.get(0);
    }
    else {
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    if (queryBodyNode != null) {
      // Build tuple expression for query body
      tupleExpr = (TupleExpr)queryBodyNode.jjtAccept(this, null);
    }
    else {
      tupleExpr = new SingletonSet();
    }

    // Apply projection
    tupleExpr = (TupleExpr)node.getSelectClause().jjtAccept(this, tupleExpr);
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    if (node.hasQueryBody()) {
      // Build tuple expression for query body
      tupleExpr = (TupleExpr)node.getQueryBody().jjtAccept(this, null);
    }
    else {
      tupleExpr = new SingletonSet();
    }

    // Create constructor
    ConstructorBuilder cb = new ConstructorBuilder();
    ASTConstruct constructNode = node.getConstructClause();
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   */
  public TupleExpr buildTupleExpr() {
    TupleExpr result;

    if (requiredTEs.isEmpty()) {
      result = new SingletonSet();
    }
    else if (requiredTEs.size() == 1) {
      result = requiredTEs.get(0);
    }
    else {
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        for (TupleExpr arg : union.getArgs()) {
          if (!(arg instanceof SingletonSet)) {
            return;
          }
        }
        union.replaceWith(new SingletonSet());
      }
    }
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   */
  public TupleExpr buildTupleExpr() {
    TupleExpr result;

    if (requiredTEs.isEmpty()) {
      result = new SingletonSet();
    }
    else {
      result = requiredTEs.get(0);

      for (int i = 1; i < requiredTEs.size(); i++) {
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    if (queryBodyNode != null) {
      // Build tuple expression for query body
      tupleExpr = (TupleExpr)queryBodyNode.jjtAccept(this, null);
    }
    else {
      tupleExpr = new SingletonSet();
    }

    // Apply projection
    tupleExpr = (TupleExpr)node.getSelectClause().jjtAccept(this, tupleExpr);
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    if (node.hasQueryBody()) {
      // Build tuple expression for query body
      tupleExpr = (TupleExpr)node.getQueryBody().jjtAccept(this, null);
    }
    else {
      tupleExpr = new SingletonSet();
    }

    // Create constructor
    ConstructorBuilder cb = new ConstructorBuilder();
    ASTConstruct constructNode = node.getConstructClause();
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   */
  public TupleExpr buildTupleExpr() {
    TupleExpr result;

    if (requiredTEs.isEmpty()) {
      result = new SingletonSet();
    }
    else {
      result = requiredTEs.get(0);

      for (int i = 1; i < requiredTEs.size(); i++) {
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Related Classes of org.openrdf.query.algebra.SingletonSet

  • org.openrdf.query.algebra.evaluation.impl.QueryModelPruner$TreeSanitizer
  • org.openrdf.query.parser.serql.GraphPattern
  • org.openrdf.query.parser.serql.QueryModelBuilder
  • org.openrdf.query.parser.sparql.GraphPattern
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