added timed monitor

eo/src/utils/eoTimedMonitor.h

@@ -0,0 +1,76 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoTimedMonitor.h
+// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2005
+/* 
+    This library 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.
+
+    This library 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 this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+             Marc.Schoenauer@polytechnique.fr
+             mkeijzer@dhi.dk
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef _eoTimedMonitor_h
+#define _eoTimedMonitor_h
+
+#include <string>
+
+#include <utils/eoMonitor.h>
+#include <eoObject.h>
+#include <time.h>
+
+/**
+    Holds a collection of monitors and only fires them when a time limit
+    has been reached
+*/
+class eoTimedMonitor : public eoMonitor
+{
+public :
+    eoTimedMonitor(int seconds_) : seconds(seconds_), last_tick(0) {}
+    
+    eoMonitor& operator()(void) {
+	bool monitor = false;
+	if (last_tick == 0) {
+	    monitor = true;
+	    last_tick = clock();
+	}
+
+	clock_t tick = clock();
+
+	if ( (tick-last_tick) >= seconds * CLOCKS_PER_SEC) {
+	    monitor = true;
+	}
+
+	if (monitor) {
+	    for (unsigned i = 0; i < monitors.size(); ++i) {
+		(*monitors[i])();
+	    }
+	    last_tick = clock();
+	}
+	return *this;
+    }
+
+    void add(eoMonitor& mon) { monitors.push_back(&mon); }
+    
+  virtual std::string className(void) const { return "eoTimedMonitor"; }
+private :
+  clock_t last_tick;
+  int seconds;
+  std::vector<eoMonitor*> monitors;
+};
+
+#endif