/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
syntax = "proto2";

import "pulsar-common/src/main/proto/PulsarApi.proto";
package pulsar.proto;
option java_package = "org.apache.pulsar.transaction.coordinator.proto";
option optimize_for = LITE_RUNTIME;

enum TxnStatus {
  OPEN       = 0;
  COMMITTING = 1;
  COMMITTED  = 2;
  ABORTING   = 3;
  ABORTED    = 4;
}

message TransactionMetadataEntry {

  enum TransactionMetadataOp {
    NEW                 = 0;
    ADD_PARTITION       = 1;
    ADD_SUBSCRIPTION    = 2;
    UPDATE              = 3;
  }

  optional TransactionMetadataOp metadata_op   = 1;
  optional uint64 txnid_least_bits    = 2 [default = 0];
  optional uint64 txnid_most_bits     = 3 [default = 0];
  optional TxnStatus expected_status  = 4;
  optional TxnStatus new_status       = 5;
  repeated string partitions          = 6;
  repeated pulsar.proto.Subscription subscriptions = 7;
  optional uint64 timeout_ms      = 8;
  optional uint64 start_time      = 9;
  optional uint64 last_modification_time = 10;
  optional uint64 max_local_txn_id = 11;
  optional string owner          = 12;
}

message BatchedTransactionMetadataEntry{
  // Array for buffer transaction log data.
  repeated TransactionMetadataEntry transaction_logs = 1;
}