Java Code Examples for org.apache.ratis.proto.RaftProtos.StateMachineLogEntryProto#getLogData()

The following examples show how to use org.apache.ratis.proto.RaftProtos.StateMachineLogEntryProto#getLogData() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: FileStoreStateMachine.java From incubator-ratis with Apache License 2.0

6 votes

@Override
public CompletableFuture<Integer> write(LogEntryProto entry) {
  final StateMachineLogEntryProto smLog = entry.getStateMachineLogEntry();
  final ByteString data = smLog.getLogData();
  final FileStoreRequestProto proto;
  try {
    proto = FileStoreRequestProto.parseFrom(data);
  } catch (InvalidProtocolBufferException e) {
    return FileStoreCommon.completeExceptionally(
        entry.getIndex(), "Failed to parse data, entry=" + entry, e);
  }
  if (proto.getRequestCase() != FileStoreRequestProto.RequestCase.WRITEHEADER) {
    return null;
  }

  final WriteRequestHeaderProto h = proto.getWriteHeader();
  final CompletableFuture<Integer> f = files.write(entry.getIndex(),
      h.getPath().toStringUtf8(), h.getClose(), h.getOffset(), smLog.getStateMachineEntry().getStateMachineData());
  // sync only if closing the file
  return h.getClose()? f: null;
}

Example 2

Source File: FileStoreStateMachine.java From incubator-ratis with Apache License 2.0

6 votes

@Override
public CompletableFuture<ByteString> read(LogEntryProto entry) {
  final StateMachineLogEntryProto smLog = entry.getStateMachineLogEntry();
  final ByteString data = smLog.getLogData();
  final FileStoreRequestProto proto;
  try {
    proto = FileStoreRequestProto.parseFrom(data);
  } catch (InvalidProtocolBufferException e) {
    return FileStoreCommon.completeExceptionally(
        entry.getIndex(), "Failed to parse data, entry=" + entry, e);
  }
  if (proto.getRequestCase() != FileStoreRequestProto.RequestCase.WRITEHEADER) {
    return null;
  }

  final WriteRequestHeaderProto h = proto.getWriteHeader();
  CompletableFuture<ExamplesProtos.ReadReplyProto> reply =
      files.read(h.getPath().toStringUtf8(), h.getOffset(), h.getLength());

  return reply.thenApply(ExamplesProtos.ReadReplyProto::getData);
}

Example 3

Source File: FileStoreStateMachine.java From ratis with Apache License 2.0

6 votes

@Override
public CompletableFuture<Integer> writeStateMachineData(LogEntryProto entry) {
  final StateMachineLogEntryProto smLog = entry.getStateMachineLogEntry();
  final ByteString data = smLog.getLogData();
  final FileStoreRequestProto proto;
  try {
    proto = FileStoreRequestProto.parseFrom(data);
  } catch (InvalidProtocolBufferException e) {
    return FileStoreCommon.completeExceptionally(
        entry.getIndex(), "Failed to parse data, entry=" + entry, e);
  }
  if (proto.getRequestCase() != FileStoreRequestProto.RequestCase.WRITEHEADER) {
    return null;
  }

  final WriteRequestHeaderProto h = proto.getWriteHeader();
  final CompletableFuture<Integer> f = files.write(entry.getIndex(),
      h.getPath().toStringUtf8(), h.getClose(), h.getOffset(), smLog.getStateMachineEntry().getStateMachineData());
  // sync only if closing the file
  return h.getClose()? f: null;
}

Example 4

Source File: FileStoreStateMachine.java From ratis with Apache License 2.0

6 votes

@Override
public CompletableFuture<ByteString> readStateMachineData(LogEntryProto entry) {
  final StateMachineLogEntryProto smLog = entry.getStateMachineLogEntry();
  final ByteString data = smLog.getLogData();
  final FileStoreRequestProto proto;
  try {
    proto = FileStoreRequestProto.parseFrom(data);
  } catch (InvalidProtocolBufferException e) {
    return FileStoreCommon.completeExceptionally(
        entry.getIndex(), "Failed to parse data, entry=" + entry, e);
  }
  if (proto.getRequestCase() != FileStoreRequestProto.RequestCase.WRITEHEADER) {
    return null;
  }

  final WriteRequestHeaderProto h = proto.getWriteHeader();
  CompletableFuture<ExamplesProtos.ReadReplyProto> reply =
      files.read(h.getPath().toStringUtf8(), h.getOffset(), h.getLength());

  return reply.thenApply(ExamplesProtos.ReadReplyProto::getData);
}

Example 5

Source File: ArithmeticLogDump.java From incubator-ratis with Apache License 2.0

4 votes

private static String smToArithmeticLogString(StateMachineLogEntryProto logEntryProto) {
  AssignmentMessage message = new AssignmentMessage(logEntryProto.getLogData());
  return message.toString();
}