v0.2.49..v0.2.50 changeset ReuseNodeIdsOnWayOp.h

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/ReuseNodeIdsOnWayOp.h b/hoot-core/src/main/cpp/hoot/core/ops/ReuseNodeIdsOnWayOp.h
new file mode 100644
index 0000000..f14fbdc
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/ReuseNodeIdsOnWayOp.h
@@ -0,0 +1,68 @@
+/*
+ * 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) 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#ifndef REUSE_NODE_IDS_ON_WAY_OP_H
+#define REUSE_NODE_IDS_ON_WAY_OP_H
+
+// hoot
+#include <hoot/core/elements/OsmMap.h>
+#include <hoot/core/elements/ConstElementConsumer.h>
+#include <hoot/core/elements/ElementId.h>
+#include <hoot/core/ops/ConstOsmMapOperation.h>
+
+namespace hoot
+{
+
+/**
+ * ReuseNodeIdsOnWayOp class attempts to reuse the node IDs of a way with status UNKNOWN1 that is
+ * being replaced by a way with status UNKNOWN2.  This preserves IDs of the original nodes and ends
+ * up creating a modify in a changeset for all preserved IDs rather than deleting the originals and
+ * creating new ones.
+ */
+class ReuseNodeIdsOnWayOp : public ConstOsmMapOperation, public ConstElementConsumer
+{
+public:
+
+  static std::string className() { return "hoot::ReuseNodeIdsOnWayOp"; }
+
+  ReuseNodeIdsOnWayOp(ElementId from, ElementId to);
+  ReuseNodeIdsOnWayOp();
+
+  virtual void apply(const std::shared_ptr<OsmMap> &map) override;
+  virtual void addElement(const ConstElementPtr& e) override;
+
+  virtual QString getDescription() const { return "Reuses the node IDs from one way in another."; }
+
+private:
+
+  ElementId _from;
+  ElementId _to;
+
+};
+
+}
+
+#endif  //  REUSE_NODE_IDS_ON_WAY_OP_H