public void setLocalOutput(Link l, IBufRingMultiBackpressure b) { _lout = l; _downstreamL = b; }
 public void setGlobalOutput(Link l, IBufRingMultiBackpressure b) { _gout = l; _downstreamG = b; }
 public void setOutput(Link l, IBufRingMultiBackpressure downstream)
 {
     _out = l;
     _downstream = downstream;
 }
 public void setLocalOutput(Link l, IBufRingMultiBackpressure b)
 {
     _lout = l; _downstreamL = b;
 }
 public void setGlobalOutput(Link l, IBufRingMultiBackpressure b)
 {
     _gout = l; _downstreamG = b;
 }
 public void setOutput(Link l, IBufRingMultiBackpressure downstream)
 {
     _out        = l;
     _downstream = downstream;
 }