Package org.openrdf.query.algebra.evaluation

Examples of org.openrdf.query.algebra.evaluation.QueryBindingSet.retainAll()

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        // Find a binding for which the join condition holds
        while (rightBindings != null) {
          // Limit the bindings to the ones that are in scope for this
          // filter
          QueryBindingSet scopeBindings = new QueryBindingSet(rightBindings);
          scopeBindings.retainAll(scopeBindingNames);

          try {
            if (strategy.isTrue(leftJoin.getCondition(), scopeBindings)) {
              return rightBindings;
            }
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    throws StoreException
  {
    try {
      // Limit the bindings to the ones that are in scope for this filter
      QueryBindingSet scopeBindings = new QueryBindingSet(bindings);
      scopeBindings.retainAll(scopeBindingNames);

      return strategy.isTrue(condition, scopeBindings);
    }
    catch (ValueExprEvaluationException e) {
      // failed to evaluate condition
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    throws QueryEvaluationException
  {
    try {
      // Limit the bindings to the ones that are in scope for this filter
      QueryBindingSet scopeBindings = new QueryBindingSet(bindings);
      scopeBindings.retainAll(scopeBindingNames);

      return strategy.isTrue(filter.getCondition(), scopeBindings);
    }
    catch (ValueExprEvaluationException e) {
      // failed to evaluate condition
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          }
          else {
            // Limit the bindings to the ones that are in scope for this
            // filter
            QueryBindingSet scopeBindings = new QueryBindingSet(rightBindings);
            scopeBindings.retainAll(scopeBindingNames);

            if (strategy.isTrue(join.getCondition(), scopeBindings)) {
              return rightBindings;
            }
          }
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