# Package com.h3c.util.persistence.cassandra.snapshotmgr

- Interface Summary
  Interface | Description
  --- | ---
  DBBackUpListener | The backup service listener Interface.
  DBSnapshotMgr | This interface specify the Persistence subject(Observable element) for backup listeners using the observer/listener design pattern.

- Class Summary
  Class | Description
  --- | ---
  DBstatus | This is a POJO class to hold the database active write operations status.

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