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git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1510596 13f79535-47bb-0310-9956-ffa450edef68
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git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1509861 13f79535-47bb-0310-9956-ffa450edef68
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On primary a PrimaryTxObserver observes a transaction's TxBuffer and generates
transaction events on a tx-replication-queue. On the backup a TxReplicator
receives the events and constructs a TxBuffer equivalent to the one in the
primary.
Unfinished:
- Primary does not wait for backups to prepare() before committing.
- All connected backups are assumed to be in the transaction, there are race
conditions around brokers joining/leavinv where this assumption is invalid.
- Need more tests.
git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1509423 13f79535-47bb-0310-9956-ffa450edef68
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Added TransactionObserver interface, called at each point in a transaction's
lifecycle. Currently only a single observer can be associated with a
transaction.
Added startTx, startDtx to BrokerObserver so plugins can observe transactions
starting and set a TransactionObserver.
git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1509421 13f79535-47bb-0310-9956-ffa450edef68
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