[JAMES-2810] DeletedMessageMetadataVault : Cassandra

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0
• Assignee: Unassigned
• Reporter: Benoit Tellier
• Created: 24/Jun/19 10:16
• Updated: 12/Jul/19 07:13
• Resolved: 12/Jul/19 07:13

Description

Within a `mailbox/plugin/deleted-message-vault-cassandra` implement the DeletedMessageMetadataVault defined in https://ci.linagora.com/linagora/lgs/openpaas/james/issues/1246

Table structure:

(index per user to match read pattern. Bonus: avoid wide rows)
Table: DeletedMessagesMetadata
   PK ContainerName
   PK User
   CK MessageId
   C  Serialized deletedMessage

(this table allows to iterate and drop all user+container)
Table: UsersPerContainer
   PK ContainerName
   CK User

(Used for rentention)
Table: DeletedMessageVaultContainers
   PK ContainerName