@Override protected void registerRecovery() { memberStateMachine.addHighAvailabilityMemberListener( new HighAvailabilityMemberListener() { @Override public void masterIsElected(HighAvailabilityMemberChangeEvent event) {} @Override public void masterIsAvailable(HighAvailabilityMemberChangeEvent event) { if (event.getOldState().equals(HighAvailabilityMemberState.TO_MASTER) && event.getNewState().equals(HighAvailabilityMemberState.MASTER)) { doAfterRecoveryAndStartup(true); } } @Override public void slaveIsAvailable(HighAvailabilityMemberChangeEvent event) { if (event.getOldState().equals(HighAvailabilityMemberState.TO_SLAVE) && event.getNewState().equals(HighAvailabilityMemberState.SLAVE)) { doAfterRecoveryAndStartup(false); } } @Override public void instanceStops(HighAvailabilityMemberChangeEvent event) {} private void doAfterRecoveryAndStartup(boolean isMaster) { try { synchronized (xaDataSourceManager) { HighlyAvailableGraphDatabase.this.doAfterRecoveryAndStartup(isMaster); } } catch (Throwable throwable) { msgLog.error("Post recovery error", throwable); try { memberStateMachine.stop(); } catch (Throwable throwable1) { msgLog.warn("Could not stop", throwable1); } try { memberStateMachine.start(); } catch (Throwable throwable1) { msgLog.warn("Could not start", throwable1); } } } }); }
@Override public void start() throws Throwable { memberStateMachine.addHighAvailabilityMemberListener(listener); }