gerrit.onap Code Review - music/mdbc.git/commit

author	Enrique Saurez <enrique.saurez@gmail.com>
	Mon, 29 Oct 2018 14:43:15 +0000 (10:43 -0400)
committer	Enrique Saurez <enrique.saurez@gmail.com>
	Thu, 29 Nov 2018 23:26:26 +0000 (18:26 -0500)
commit	9cc93ae782739f4fd637fa8d30a986ce2e14ae3e
tree	edacbf99b11797f90370c7957f0f7a86e2be1820	tree \| snapshot
parent	76d8bc46fdf9b36548dff46b9d1c91bf7c56f6ac	commit \| diff

ownership and relinquish

Change-Id: I625bd61adfac11febdb25b179efbc6134a276f12
Issue-ID: MUSIC-219
Signed-off-by: Enrique Saurez <enrique.saurez@gmail.com>

21 files changed:

.gitignore		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/DatabasePartition.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/MDBCUtils.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/MdbcConnection.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/MdbcPreparedStatement.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/MdbcServerLogic.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/MdbcStatement.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/ProxyStatement.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/Range.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/StateManager.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/DBInterface.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MusicInterface.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MusicMixin.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MySQLMixin.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/query/QueryProcessor.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/tables/MusicTxDigest.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/tables/Operation.java		diff \| blob \| history
mdbc-server/src/main/java/org/onap/music/mdbc/tests/MAIN.java		diff \| blob \| history
mdbc-server/src/test/java/org/onap/music/mdbc/MdbcConnectionTest.java	[new file with mode: 0644]	blob
mdbc-server/src/test/java/org/onap/music/mdbc/TestUtils.java		diff \| blob \| history
mdbc-server/src/test/java/org/onap/music/mdbc/mixins/MusicMixinTest.java	[new file with mode: 0644]	blob

The most crucial recipe is a multi-site database cache (mdbc) that enable ONAP components that maintain state in a SQL database to avail the benefits of MUSIC without compromising their need to use transactional SQL DBs. These ONAP components can rely on existing db clustering techniques like MariaDB for transactionality and complex querying within a site. mdbc will intercept each of these read/write calls to the db cluster and mirror this state to other geo-distributed sites through MUSIC either synchronously or asynchronously (configurable at a table-level). For example, components like the ONAP Service Orchestrator that use MariaDB to maintain state can directly use this recipe with no change to their SQL code.

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