Examples with SlaveImpl org.neo4j.kernel.ha.com.slave.SlaveImpl used on opensource projects

Example 1 with SlaveImpl

use of org.neo4j.kernel.ha.com.slave.SlaveImpl in project neo4j by neo4j.

the class SwitchToSlave method startHaCommunication.

private URI startHaCommunication(LifeSupport haCommunicationLife, NeoStoreDataSource neoDataSource, URI me, URI masterUri, StoreId storeId, CancellationRequest cancellationRequest) throws IllegalArgumentException, InterruptedException {
    MasterClient master = newMasterClient(masterUri, me, neoDataSource.getStoreId(), haCommunicationLife);
    TransactionObligationFulfiller obligationFulfiller = resolver.resolveDependency(TransactionObligationFulfiller.class);
    UpdatePullerScheduler updatePullerScheduler = updatePullerFactory.createUpdatePullerScheduler(updatePuller);
    Slave slaveImpl = new SlaveImpl(obligationFulfiller);
    SlaveServer server = slaveServerFactory.apply(slaveImpl);
    if (cancellationRequest.cancellationRequested()) {
        msgLog.info("Switch to slave cancelled, unable to start HA-communication");
        return null;
    }
    masterDelegateHandler.setDelegate(master);
    haCommunicationLife.add(updatePullerScheduler);
    haCommunicationLife.add(server);
    haCommunicationLife.start();
    /*
         * Take the opportunity to catch up with master, now that we're alone here, right before we
         * drop the availability guard, so that other transactions might start.
         */
    if (!catchUpWithMaster(updatePuller)) {
        return null;
    }
    URI slaveHaURI = createHaURI(me, server);
    clusterMemberAvailability.memberIsAvailable(HighAvailabilityModeSwitcher.SLAVE, slaveHaURI, storeId);
    return slaveHaURI;
}