Finished refactoring bridge.
Finished refactoring bridge.


Former-commit-id: 4ce9e06dbacc94dbc326e1a98be3e99a4edeab0b
larryxiao/peloton-1,larryxiao/peloton-1,larryxiao/peloton,larryxiao/peloton-1,ranxian/peloton,ranxian/peloton,amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,omegaga/peloton,amaliujia/CMUDB-peloton,ranxian/peloton,larryxiao/peloton-1,larryxiao/peloton-1,larryxiao/peloton,omegaga/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton,ranxian/peloton,omegaga/peloton,larryxiao/peloton-1,ranxian/peloton,ranxian/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton,omegaga/peloton,omegaga/peloton,larryxiao/peloton,omegaga/peloton,larryxiao/peloton,larryxiao/peloton-1,amaliujia/CMUDB-peloton,omegaga/peloton,larryxiao/peloton,amaliujia/CMUDB-peloton