Adding some lines to notch_filter.h

Coding the class NotchFilter

src/algorithms/input_filter/adapters/notch_filter.h

@@ -33,5 +33,45 @@
 #ifndef GNSS_SDR_NOTCH_FILTER_H_
 #define GNSS_SDR_NOTCH_FILTER_H_
 
+#include <string>
+#include <vector>
+#include <gnuradio/blocks/file_sink.h>
+#include "gnss_block_interface.h"
+#include "notch_cc.h"
 
-#endif
+class ConfigurationInterface;
+
+class NotchFilter: public GNSSBlockInterface
+{
+public:
+    NotchFilter(ConfigurationInterface* configuration,
+            std::string role, unsigned int in_streams,
+            unsigned int out_streams);
+
+    virtual ~NotchFilter();
+    std::string role()
+    {
+        return role_;
+    }
+
+    //! Returns "Notch_Filter"
+    std::string implementation()
+    {
+        return "Notch_Filter";
+    }
+    size_t item_size()
+    {
+        return 0;
+    }
+    void connect(gr::top_block_sptr top_block);
+    void disconnect(gr::top_block_sptr top_block);
+    gr::basic_block_sptr get_left_block();
+    gr::basic_block_sptr get_right_block();
+    
+private:
+    ConfigurationInterface* config_;
+    
+        
+};
+
+#endif //GNSS_SDR_NOTCH_FILTER_H_