@Test public void testAppendLog() { NodeImpl node = (NodeImpl) newNodeBuilder( NodeId.of("A"), new NodeEndpoint("A", "localhost", 2333), new NodeEndpoint("B", "localhost", 2334), new NodeEndpoint("C", "localhost", 2335) ).build(); node.start(); node.electionTimeout(); node.onReceiveRequestVoteResult(new RequestVoteResult(1, true)); node.appendLog("test".getBytes()); MockConnector mockConnector = (MockConnector) node.getContext().connector(); Assert.assertEquals(3, mockConnector.getMessageCount()); }
@Override public void appendLog(@Nonnull byte[] commandBytes) { Preconditions.checkNotNull(commandBytes); ensureLeader(); context.taskExecutor().submit(() -> { context.log().appendEntry(role.getTerm(), commandBytes); doReplicateLog(); }, LOGGING_FUTURE_CALLBACK); }
NodeImpl implements Node { @Override public void appendLog(@Nonnull byte[] commandBytes) { Preconditions.checkNotNull(commandBytes); ensureLeader(); context.taskExecutor().submit(() -> { context.log().appendEntry(role.getTerm(), commandBytes); doReplicateLog(); }, LOGGING_FUTURE_CALLBACK); } }
NodeImpl implements Node { @Override public void appendLog(@Nonnull byte[] commandBytes) { Preconditions.checkNotNull(commandBytes); ensureLeader(); context.taskExecutor().submit(() -> { context.log().appendEntry(role.getTerm(), commandBytes); doReplicateLog(); }, LOGGING_FUTURE_CALLBACK); } NodeImpl(NodeContext context); }
NodeImpl implements Node { @Override public void appendLog(@Nonnull byte[] commandBytes) { Preconditions.checkNotNull(commandBytes); ensureLeader(); context.taskExecutor().submit(() -> { context.log().appendEntry(role.getTerm(), commandBytes); doReplicateLog(); }, LOGGING_FUTURE_CALLBACK); } NodeImpl(NodeContext context); @Override synchronized void registerStateMachine(@Nonnull StateMachine stateMachine); @Override @Nonnull RoleNameAndLeaderId getRoleNameAndLeaderId(); @Override void addNodeRoleListener(@Nonnull NodeRoleListener listener); @Override synchronized void start(); @Override void appendLog(@Nonnull byte[] commandBytes); @Override @Nonnull GroupConfigChangeTaskReference addNode(@Nonnull NodeEndpoint endpoint); @Override @Nonnull GroupConfigChangeTaskReference removeNode(@Nonnull NodeId id); @Subscribe void onReceiveRequestVoteRpc(RequestVoteRpcMessage rpcMessage); @Subscribe void onReceiveRequestVoteResult(RequestVoteResult result); @Subscribe void onReceiveAppendEntriesRpc(AppendEntriesRpcMessage rpcMessage); @Subscribe void onReceiveAppendEntriesResult(AppendEntriesResultMessage resultMessage); @Subscribe void onReceiveInstallSnapshotRpc(InstallSnapshotRpcMessage rpcMessage); @Subscribe void onReceiveInstallSnapshotResult(InstallSnapshotResultMessage resultMessage); @Subscribe void onGroupConfigEntryFromLeaderAppend(GroupConfigEntryFromLeaderAppendEvent event); @Subscribe void onGroupConfigEntryCommitted(GroupConfigEntryCommittedEvent event); @Subscribe void onGroupConfigEntryBatchRemoved(GroupConfigEntryBatchRemovedEvent event); @Subscribe void onGenerateSnapshot(SnapshotGenerateEvent event); @Subscribe void onReceiveDeadEvent(DeadEvent deadEvent); @Override synchronized void stop(); }
NodeImpl implements Node { @Override public void appendLog(@Nonnull byte[] commandBytes) { Preconditions.checkNotNull(commandBytes); ensureLeader(); context.taskExecutor().submit(() -> { context.log().appendEntry(role.getTerm(), commandBytes); doReplicateLog(); }, LOGGING_FUTURE_CALLBACK); } NodeImpl(NodeContext context); @Override synchronized void registerStateMachine(@Nonnull StateMachine stateMachine); @Override @Nonnull RoleNameAndLeaderId getRoleNameAndLeaderId(); @Override void addNodeRoleListener(@Nonnull NodeRoleListener listener); @Override synchronized void start(); @Override void appendLog(@Nonnull byte[] commandBytes); @Override @Nonnull GroupConfigChangeTaskReference addNode(@Nonnull NodeEndpoint endpoint); @Override @Nonnull GroupConfigChangeTaskReference removeNode(@Nonnull NodeId id); @Subscribe void onReceiveRequestVoteRpc(RequestVoteRpcMessage rpcMessage); @Subscribe void onReceiveRequestVoteResult(RequestVoteResult result); @Subscribe void onReceiveAppendEntriesRpc(AppendEntriesRpcMessage rpcMessage); @Subscribe void onReceiveAppendEntriesResult(AppendEntriesResultMessage resultMessage); @Subscribe void onReceiveInstallSnapshotRpc(InstallSnapshotRpcMessage rpcMessage); @Subscribe void onReceiveInstallSnapshotResult(InstallSnapshotResultMessage resultMessage); @Subscribe void onGroupConfigEntryFromLeaderAppend(GroupConfigEntryFromLeaderAppendEvent event); @Subscribe void onGroupConfigEntryCommitted(GroupConfigEntryCommittedEvent event); @Subscribe void onGroupConfigEntryBatchRemoved(GroupConfigEntryBatchRemovedEvent event); @Subscribe void onGenerateSnapshot(SnapshotGenerateEvent event); @Subscribe void onReceiveDeadEvent(DeadEvent deadEvent); @Override synchronized void stop();  }