Work on direction

Author: LukasMolzberger

include/network/direction.h

@@ -1,7 +1,25 @@
 #ifndef NETWORK_DIRECTION_H
 #define NETWORK_DIRECTION_H
 
-// Use the Direction class from the fields folder
-#include "fields/direction.h"
+#include "network/model.h"
+#include "network/activation.h"
+#include "network/link.h"
+#include "network/neuron.h"
+#include "network/synapse.h"
+#include "network/bs_type.h"
+#include "network/transition.h"
 
-#endif // NETWORK_DIRECTION_H
+class Direction {
+public:
+    virtual ~Direction() = default;
+    virtual Direction* invert() = 0;
+    virtual Neuron* getNeuron(Model* m, Synapse* s) = 0;
+    virtual Activation* getActivation(Link* l) = 0;
+    virtual int getOrder() = 0;
+    virtual BSType* transition(BSType* s, Transition* t) = 0;
+    virtual void write(DataOutput* out) = 0;
+
+    static Direction* read(DataInput* in);
+};
+
+#endif // NETWORK_DIRECTION_H