/**
 * 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 = "proto3";

package distributedlog.proto.statestore.kv;

option java_multiple_files = true;
option java_package = "org.apache.bookkeeper.proto.statestore.kv";

enum ValueType {
    BYTES   = 0;
    NUMBER  = 1; // this is to support increment
}

message NopRequest {
}

message PutRequest {
    bytes key       = 1;
    bytes value     = 2;
}

message PutIfAbsentRequest {
    bytes key       = 1;
    bytes value     = 2;
}

message DeleteRequest {
    bytes key   = 1;
}

message IncrementRequest {
    bytes key       = 1;
    int64 amount    = 2;
}

message Command {
    oneof req {
        NopRequest nop_req = 11;
        PutRequest put_req = 12;
        PutIfAbsentRequest put_if_absent_req = 13;
        DeleteRequest del_req = 14;
        IncrementRequest incr_req = 15;
    }
}