v0.2.52..v0.2.53 changeset ElementReplacer.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/ops/ElementReplacer.cpp b/hoot-core/src/main/cpp/hoot/core/ops/ElementReplacer.cpp
new file mode 100644
index 0000000..9911481
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/ops/ElementReplacer.cpp
@@ -0,0 +1,83 @@
+/*
+ * 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, 2020 DigitalGlobe (http://www.digitalglobe.com/)
+ */
+#include "ElementReplacer.h"
+
+// hoot
+#include <hoot/core/util/Factory.h>
+
+namespace hoot
+{
+
+HOOT_FACTORY_REGISTER(OsmMapOperation, ElementReplacer)
+
+ElementReplacer::ElementReplacer()
+{
+}
+
+ElementReplacer::ElementReplacer(OsmMapPtr mapToReplaceFrom) :
+_mapToReplaceFrom(mapToReplaceFrom)
+{
+}
+
+void ElementReplacer::apply(std::shared_ptr<OsmMap>& map)
+{
+  if (!_mapToReplaceFrom)
+  {
+    throw IllegalArgumentException("No replace from map specified.");
+  }
+  LOG_VART(_mapToReplaceFrom->size());
+
+  while (_mapToReplaceFrom->hasNext())
+  {
+    const ElementPtr elementToReplaceWith = _mapToReplaceFrom->next();
+    LOG_VART(elementToReplaceWith->getElementId());
+    LOG_VART(map->containsElement(elementToReplaceWith->getElementId()));
+    if (map->containsElement(elementToReplaceWith->getElementId()))
+    {
+      LOG_TRACE(
+        "Updating " << map->getElement(elementToReplaceWith->getElementId())->getElementId() <<
+        " with " << elementToReplaceWith->getElementId() << "...");
+
+      ElementPtr elementToReplace = map->getElement(elementToReplaceWith->getElementId());
+
+      LOG_VART(elementToReplaceWith);
+      LOG_VART(elementToReplace);
+      assert(elementToReplace->getElementId() == elementToReplaceWith->getElementId());
+
+      // map replace doesn't seem to work when the elements have the same id but different content,
+      // so cloning the element and re-adding it to do the replacement
+      elementToReplace.reset(elementToReplaceWith->clone());
+      map->addElement(elementToReplace);
+
+      LOG_VART(elementToReplace);
+
+      _numAffected++;
+    }
+  }
+}
+
+}