v0.2.47..v0.2.48 changeset AttributeValueCriterion.h

diff --git a/hoot-core/src/main/cpp/hoot/core/criterion/AttributeValueCriterion.h b/hoot-core/src/main/cpp/hoot/core/criterion/AttributeValueCriterion.h
new file mode 100644
index 0000000..74e4b1c
--- /dev/null
+++ b/hoot-core/src/main/cpp/hoot/core/criterion/AttributeValueCriterion.h
@@ -0,0 +1,89 @@
+/*
+ * 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 ATTRIBUTE_VALUE_CRITERION_H
+#define ATTRIBUTE_VALUE_CRITERION_H
+
+// hoot
+#include <hoot/core/criterion/ElementCriterion.h>
+#include <hoot/core/elements/ElementAttributeType.h>
+#include <hoot/core/util/Configurable.h>
+#include <hoot/core/util/NumericComparisonType.h>
+#include <hoot/core/util/TextComparisonType.h>
+
+namespace hoot
+{
+
+class AttributeValueCriterion : public ElementCriterion, public Configurable
+{
+public:
+
+  static int logWarnCount;
+
+  static std::string className() { return "hoot::AttributeValueCriterion"; }
+
+  AttributeValueCriterion();
+  AttributeValueCriterion(const ElementAttributeType& attributeType,
+                          const QString& comparisonVal,
+                          const TextComparisonType& comparisonType);
+  AttributeValueCriterion(const ElementAttributeType& attributeType,
+                          const double comparisonVal,
+                          const NumericComparisonType& comparisonType);
+
+  /**
+   * @see ElementCriterion
+   */
+  virtual bool isSatisfied(const ConstElementPtr& e) const override;
+
+  /**
+   * @see Configurable
+   */
+  virtual void setConfiguration(const Settings& conf);
+
+  virtual ElementCriterionPtr clone() { return ElementCriterionPtr(new AttributeValueCriterion()); }
+
+  /**
+   * @see ApiEntityInfo
+   */
+  virtual QString getDescription() const { return "Identifies element attributes by value"; }
+
+private:
+
+  // attribute to examine
+  ElementAttributeType _attributeType;
+  // attribute value being compared
+  QVariant _comparisonVal;
+  // comparison relationship used between read attribute values and _comparisonVal
+  int _comparisonType;
+  // comparison types are numeric or text
+  bool _isNumericComparison;
+
+  bool _satisfiesComparison(const QVariant& val) const;
+};
+
+}
+
+#endif // ATTRIBUTE_VALUE_CRITERION_H