work in progress

src/instrument/InstrumentableProcessingChain.java

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+package instrument;
+
+import instrument.tap.Tap;
+import instrument.tap.TapGroup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import source.Source;
+import source.tuner.TunerChannelSource;
+import source.tuner.frequency.FrequencyCorrectionControl;
+import module.Module;
+import module.ProcessingChain;
+
+public class InstrumentableProcessingChain extends ProcessingChain implements Instrumentable
+{
+	public InstrumentableProcessingChain()
+	{
+	}
+
+	public void setSource( Source source ) throws IllegalStateException
+	{
+		mSource = source;
+	}
+
+	@Override
+	public List<TapGroup> getTapGroups()
+	{
+		List<TapGroup> groups = new ArrayList<>();
+		
+		for( Module module: getModules() )
+		{
+			if( module instanceof Instrumentable )
+			{
+				groups.addAll( ((Instrumentable)module).getTapGroups() );
+			}
+		}
+		
+		return groups;
+	}
+
+	@Override
+	public void registerTap( Tap tap )
+	{
+		for( Module module: getModules() )
+		{
+			if( module instanceof Instrumentable )
+			{
+				((Instrumentable)module).registerTap( tap );
+			}
+		}
+	}
+
+	@Override
+	public void unregisterTap( Tap tap )
+	{
+		for( Module module: getModules() )
+		{
+			if( module instanceof Instrumentable )
+			{
+				((Instrumentable)module).unregisterTap( tap );
+			}
+		}
+	}
+}