v0.2.48..v0.2.49 changeset RemoveRef2VisitorMultipleCriterion.h

diff --git a/hoot-core/src/main/cpp/hoot/core/visitors/RemoveRef2VisitorMultipleCriterion.h b/hoot-core/src/main/cpp/hoot/core/visitors/RemoveRef2VisitorMultipleCriterion.h
new file mode 100644
index 0000000..99433a0
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/visitors/RemoveRef2VisitorMultipleCriterion.h
@@ -0,0 +1,72 @@
+/*
+ * This file is part of Hootenanny.
+ *
+ * Hootenanny is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * --------------------------------------------------------------------
+ *
+ * The following copyright notices are generated automatically. If you
+ * have a new notice to add, please use the format:
+ * " * @copyright Copyright ..."
+ * This will properly maintain the copyright information. DigitalGlobe
+ * copyrights will be updated automatically.
+ *
+ * @copyright Copyright (C) 2016, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#ifndef REMOVEREF2VISITORMULTIPLECRITERION_H
+#define REMOVEREF2VISITORMULTIPLECRITERION_H
+
+// Hoot
+#include <hoot/core/visitors/RemoveRef2Visitor.h>
+
+namespace hoot
+{
+
+/**
+ * If one specified criterion meets for REF1 and another also for REF2 elements, then the REF2 tag is
+ * removed.
+ *
+ * This class is re-entrant, but not thread safe.
+ */
+class RemoveRef2VisitorMultipleCriterion : public RemoveRef2Visitor
+{
+
+public:
+
+  static std::string className() { return "hoot::RemoveRef2VisitorMultipleCriterion"; }
+
+  RemoveRef2VisitorMultipleCriterion();
+  virtual ~RemoveRef2VisitorMultipleCriterion() {}
+
+  virtual void addCriterion(const ElementCriterionPtr& e) override;
+
+  virtual void visit(const ElementPtr& e) override;
+
+  virtual bool ref1CriterionSatisfied(const ConstElementPtr& e) const override;
+  virtual bool ref2CriterionSatisfied(const ConstElementPtr& e) const override;
+
+  virtual QString getDescription() const override
+  { return "Removes REF2 tags when multiple criteria are met for both REF1 and REF2 elements"; }
+
+private:
+
+  ElementCriterionPtr _ref1Criterion;
+  ElementCriterionPtr _ref2Criterion;
+
+};
+
+}
+
+#endif // REMOVEREF2VISITORMULTIPLECRITERION_H