tree 969ce806cdc9142239d4539b205068780f3176a3
parent 28658647000f91e8cf6c3fc26a85eb89135ac814
author Ross Wang <rosswang@google.com> 1461470356 -0700
committer Ross Wang <rosswang@google.com> 1461711510 -0700

Adding IdGenerator to generate increasing IDs

This can be extended to allow distributed insertion as well.

Change-Id: If24501523ec68b0f43679dd924c7771fd2758dc4