syntax = "proto2";
package pbmodel;

option java_package = "com.aliyun.datahub.client.model.protobuf";
option java_outer_classname = "DatahubProtos";

message StringPair
{
    required string key = 1;
    required string value = 2;
}

message FieldData
{
    optional bytes value = 1;
}

message RecordAttributes
{
    repeated StringPair attributes = 1;
}

message RecordData
{
    repeated FieldData data = 1;
}

message RecordEntry
{
    optional string shard_id = 1;
    optional string hash_key = 2;
    optional string partition_key = 3;
    optional string cursor = 4;
    optional string next_cursor = 5;
    optional int64 sequence = 6;
    optional int64 system_time = 7;
    optional RecordAttributes attributes = 8;
    required RecordData data = 9;
}

message PutRecordsRequest
{
    repeated RecordEntry records = 1;
}

message FailedRecord
{
    required int32 index = 1;
    optional string error_code = 2;
    optional string error_message = 3;
}

message PutRecordsResponse
{
    optional int32 failed_count = 1;
    repeated FailedRecord failed_records = 2;
}

message GetRecordsRequest
{
    required string cursor = 1;
    optional int32 limit = 2 [default = 1];
}

message GetRecordsResponse
{
    required string next_cursor = 1;
    required int32 record_count = 2;
    optional int64 start_sequence = 3;
    repeated RecordEntry records = 4;
    optional int64 latest_sequence = 5 [default = -1];
    optional int64 latest_time = 6 [default = -1];
}

message BinaryRecordEntry
{
    optional string cursor = 1;
    optional string next_cursor = 2;
    optional int64 sequence = 3;
    optional int64 system_time = 4;
    optional uint32 serial = 5 [default = 0];
    optional bytes data = 6;
}

message PutBinaryRecordsRequest
{
    repeated BinaryRecordEntry records = 1;
}

message GetBinaryRecordsResponse
{
    required string next_cursor = 1;
    required int32 record_count = 2;
    optional int64 start_sequence = 3;
    repeated BinaryRecordEntry records = 4;
    optional int64 latest_sequence = 5 [default = -1];
    optional int64 latest_time = 6 [default = -1];
}