From 17b117e73df71925d73ee026b4f54aa1867ce0a5 Mon Sep 17 00:00:00 2001
From: Jesse Gilles <jgilles@multitech.com>
Date: Mon, 20 Apr 2015 16:49:52 -0500
Subject: initial commit

---
 include/mts/MTS_Singleton.h | 77 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 include/mts/MTS_Singleton.h

(limited to 'include/mts/MTS_Singleton.h')

diff --git a/include/mts/MTS_Singleton.h b/include/mts/MTS_Singleton.h
new file mode 100644
index 0000000..463d1c0
--- /dev/null
+++ b/include/mts/MTS_Singleton.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2015 by Multi-Tech Systems
+ *
+ * This file is part of libmts.
+ *
+ * libmts is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * libmts 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libmts.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*! \file MTS_Singleton.h
+ \brief A Documented file.    
+ \date 2011-06-20
+ \author Sean Godinez
+
+ Details.
+ */
+
+#ifndef _MTS_SINGLETON_H_
+#define _MTS_SINGLETON_H_
+
+#include <mts/MTS_Lock.h>
+
+namespace MTS {
+
+    template<class T> class Singleton {
+
+        public:
+
+            static T* instance();
+
+        protected:
+
+        private:
+            static T* m_pInstance;
+            static AutoPtr<Lock> m_apLock;
+
+            // Do Not Allow Use of Any Constructor or Assignment Operator
+            Singleton() {
+            }
+            ~Singleton();
+            Singleton(const Singleton&);
+            Singleton& operator=(const Singleton&);
+    };
+
+    template<class T> Singleton<T>::~Singleton() {
+        m_apLock.reset();
+        delete T;
+    }
+
+    template<class T> T* Singleton<T>::instance() {
+
+        m_apLock->lock();
+        if (m_pInstance == NULL) {
+            m_pInstance = new T();
+        }
+        m_apLock->unlock();
+
+        return m_pInstance;
+    }
+
+    //FIXME: Template Initialization
+    template<class T> static AutoPtr<Lock> Singleton<T>::m_apLock.reset(new Lock());
+    template<class T> static T* Singleton<T>::m_pInstance = NULL;
+}
+
+#endif /* MTS_SINGLETON_H_ */
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