if (this.downlinkOwner != paramDownlinkOwner) { if (this.downlinkOwner != null) { DownlinkOwner old = this.downlinkOwner; this.downlinkOwner = null; old.setDownlink(null); } this.downlinkOwner = paramDownlinkOwner; if (paramDownlinkOwner != null) { paramDownlinkOwner.setDownlink(this); } }
if (downlinkOwner != paramDownlinkOwner) { if (downlinkOwner != null) { DownlinkOwner old = downlinkOwner;  downlinkOwner = null;  old.setDownlink(null); }  this.downlinkOwner = paramDownlinkOwner;  if (paramDownlinkOwner != null) { paramDownlinkOwner.setDownlink(this); }
    public void setDownlinkOwner(DownlinkOwner paramDownlinkOwner) {        if (this.downlinkOwner != paramDownlinkOwner) {            if (this.downlinkOwner != null) {                DownlinkOwner old = this.downlinkOwner;                this.downlinkOwner = null;                old.setDownlink(null);            }            this.downlinkOwner = paramDownlinkOwner;            if (paramDownlinkOwner != null) {                paramDownlinkOwner.setDownlink(this);            }        }    }