public EpochSSRecovery(SnapshotProvider snapshotProvider, String logPath) throws IOException {
epochFile = new SingleNumberWriter(logPath, EPOCH_FILE_NAME);
localId = ProcessDescriptor.getInstance().localId;
numReplicas = ProcessDescriptor.getInstance().numReplicas;
storage = createStorage();
paxos = createPaxos(snapshotProvider, storage);
dispatcher = paxos.getDispatcher();
}
@Before
public void setUp() {
List<PID> processes = new ArrayList<PID>();
processes.add(mock(PID.class));
processes.add(mock(PID.class));
processes.add(mock(PID.class));
Configuration configuration = new Configuration(processes);
ProcessDescriptor.initialize(configuration, 0);
storage = new InMemoryStorage();
}
private Storage createStorage() throws IOException {
ProcessDescriptor descriptor = ProcessDescriptor.getInstance();
logger.info("Reading log from: " + logPath);
FullSSDiscWriter writer = new FullSSDiscWriter(logPath);
Storage storage = new SynchronousStorage(writer);
if (storage.getView() % descriptor.numReplicas == descriptor.localId) {
storage.setView(storage.getView() + 1);
}
return storage;
}