Exemplo n.º 1
0
  public PathIteration(
      StrictEvaluationStrategy evaluationStrategyImpl,
      Scope scope,
      Var startVar,
      TupleExpr pathExpression,
      Var endVar,
      Var contextVar,
      long minLength,
      BindingSet bindings)
      throws QueryEvaluationException {
    this.evaluationStrategyImpl = evaluationStrategyImpl;
    this.scope = scope;
    this.startVar = startVar;
    this.endVar = endVar;

    this.startVarFixed = startVar.hasValue() || bindings.hasBinding(startVar.getName());
    this.endVarFixed = endVar.hasValue() || bindings.hasBinding(endVar.getName());

    this.pathExpression = pathExpression;
    this.contextVar = contextVar;

    this.currentLength = minLength;
    this.bindings = bindings;

    this.reportedValues = makeSet();
    this.unreportedValues = makeSet();
    this.valueQueue = makeQueue();

    createIteration();
  }
Exemplo n.º 2
0
 @Override
 public void meet(Var var) {
   if (toBeReplaced.equals(var)
       || (toBeReplaced.isAnonymous()
           && var.isAnonymous()
           && (toBeReplaced.hasValue() && toBeReplaced.getValue().equals(var.getValue())))) {
     QueryModelNode parent = var.getParentNode();
     parent.replaceChildNode(var, replacement);
     replacement.setParentNode(parent);
   } else if (replaceAnons && var.isAnonymous() && !var.hasValue()) {
     Var replacementVar = createAnonVar("anon-replace-" + var.getName() + index);
     QueryModelNode parent = var.getParentNode();
     parent.replaceChildNode(var, replacementVar);
     replacementVar.setParentNode(parent);
   }
 }