v0.2.55..v0.2.56 changeset MultipleSublineMatcherSnapMerger.h

diff --git a/hoot-core/src/main/cpp/hoot/core/conflate/MultipleSublineMatcherSnapMerger.h b/hoot-core/src/main/cpp/hoot/core/conflate/MultipleSublineMatcherSnapMerger.h
new file mode 100644
index 0000000..17e935f
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/conflate/MultipleSublineMatcherSnapMerger.h
@@ -0,0 +1,80 @@
+/*
+ * 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 MULTIPLE_SUBLINE_MATCHER_SNAP_MERGER_H
+#define MULTIPLE_SUBLINE_MATCHER_SNAP_MERGER_H
+
+// Hoot
+#include <hoot/core/conflate/highway/HighwaySnapMerger.h>
+
+namespace hoot
+{
+
+class WaySublineMatchString;
+
+/**
+ * Merges way features potentially using multiple subline matcher
+ *
+ * This class primarily exists so that we can select a subline matcher based on properties of the
+ * input data for runtime performance reasons.
+ */
+class MultipleSublineMatcherSnapMerger : public HighwaySnapMerger
+{
+
+public:
+
+  static std::string className() { return "hoot::MultipleSublineMatcherSnapMerger"; }
+
+  MultipleSublineMatcherSnapMerger();
+  MultipleSublineMatcherSnapMerger(
+    const std::set<std::pair<ElementId, ElementId>>& pairs,
+    const std::shared_ptr<SublineStringMatcher>& sublineMatcher,
+    const std::shared_ptr<SublineStringMatcher>& sublineMatcher2);
+  virtual ~MultipleSublineMatcherSnapMerger() = default;
+
+  virtual QString getDescription() const { return "Merges ways with one or more subline matchers"; }
+
+  virtual QString getName() const { return QString::fromStdString(className()); }
+
+protected:
+
+  /*
+   * @see HighwaySnapMerger
+   */
+  virtual WaySublineMatchString _matchSubline(OsmMapPtr map, ElementPtr e1, ElementPtr e2);
+
+private:
+
+  // This is our backup matcher to use for long ways for runtime performance reasons. It may be
+  // a little less accurate but prevents extremely long ways from slowing things down too much.
+  std::shared_ptr<SublineStringMatcher> _sublineMatcher2;
+};
+
+typedef std::shared_ptr<MultipleSublineMatcherSnapMerger> MultipleSublineMatcherSnapMergerPtr;
+
+}
+
+#endif // MULTIPLE_SUBLINE_MATCHER_SNAP_MERGER_H