v0.2.54..v0.2.55 changeset RelationMemberNodeCounter.h

diff --git a/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.h b/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.h
new file mode 100644
index 0000000..52392b7
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/elements/RelationMemberNodeCounter.h
@@ -0,0 +1,67 @@
+/*
+ * 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) 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+
+#ifndef RELATION_MEMBER_NODE_COUNTER_H
+#define RELATION_MEMBER_NODE_COUNTER_H
+
+// Hoot
+#include <hoot/core/elements/OsmMap.h>
+#include <hoot/core/elements/ConstOsmMapConsumer.h>
+
+namespace hoot
+{
+
+/**
+ * Counts total nodes contained by all members in a relation
+ */
+class RelationMemberNodeCounter : public ConstOsmMapConsumer
+{
+public:
+
+  RelationMemberNodeCounter();
+
+  /**
+   * Returns the total recursive count of all nodes contained in a relation
+   *
+   * @param relation relation to count nodes in
+   * @return a count
+   */
+  int numNodes(const ConstRelationPtr& relation) const;
+
+  /**
+   * @see ConstOsmMapConsumer
+   */
+  virtual void setOsmMap(const OsmMap* map) { _map = map->shared_from_this(); }
+
+private:
+
+  ConstOsmMapPtr _map;
+};
+
+}
+
+#endif // RELATION_MEMBER_NODE_COUNTER_H