v0.2.55..v0.2.56 changeset HasTypeCriterion.h

diff --git a/hoot-core/src/main/cpp/hoot/core/criterion/HasTypeCriterion.h b/hoot-core/src/main/cpp/hoot/core/criterion/HasTypeCriterion.h
new file mode 100644
index 0000000..74e221b
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/criterion/HasTypeCriterion.h
@@ -0,0 +1,61 @@
+/*
+ * 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 HAS_TYPE_CRITERION_H
+#define HAS_TYPE_CRITERION_H
+
+// Hoot
+#include <hoot/core/criterion/ElementCriterion.h>
+
+namespace hoot
+{
+
+/**
+ * Determines if an element has a type recognized by the Hootenanny schema
+ */
+class HasTypeCriterion : public ElementCriterion
+{
+public:
+
+  static std::string className() { return "hoot::HasTypeCriterion"; }
+
+  HasTypeCriterion() = default;
+  virtual ~HasTypeCriterion() = default;
+
+  virtual bool isSatisfied(const ConstElementPtr& e) const;
+
+  virtual ElementCriterionPtr clone() { return ElementCriterionPtr(new HasTypeCriterion()); }
+
+  virtual QString getDescription() const
+  { return "Determines if an element has a recognizable type."; }
+
+  virtual QString toString() const override
+  { return QString::fromStdString(className()).remove("hoot::"); }
+};
+
+}
+
+#endif // HAS_TYPE_CRITERION_H