diff --git a/hoot-core/src/main/cpp/hoot/core/elements/ElementConsumer.h b/hoot-core/src/main/cpp/hoot/core/elements/ElementConsumer.h
index 75f7a6c..2ff9d84 100644
--- a/hoot-core/src/main/cpp/hoot/core/elements/ElementConsumer.h
+++ b/hoot-core/src/main/cpp/hoot/core/elements/ElementConsumer.h
@@ -22,7 +22,7 @@
* This will properly maintain the copyright information. DigitalGlobe
* copyrights will be updated automatically.
*
- * @copyright Copyright (C) 2015, 2018, 2019 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2018, 2019, 2020 DigitalGlobe (http://www.digitalglobe.com/)
*/
#ifndef ELEMENTCONSUMER_H
#define ELEMENTCONSUMER_H
@@ -36,6 +36,9 @@ class ElementConsumer
{
public:
+ ElementConsumer() = default;
+ virtual ~ElementConsumer() = default;
+
virtual void addElement(const ElementPtr& e) = 0;
};