tree f3fd0ad3012d6a830ba8872ddabb90a66f541bcb
parent ae32d3f833b3a47f4b827c3c5e681834424f2154
author Yunjie Li <yunjieli@google.com> 1593582602 -0700
committer Yunjie Li <yunjieli@google.com> 1593626460 -0700

SubscriptionGraph: polish the class.

Make some methods public to let factories outside the package testable.

Make some member variables of DefaultFactory local to avoid concurrency
issue.

Change-Id: I05c81db838621bd1431da7f45a6b592f8a0be26c