| /* |
| * 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"; |
| |
| import "kv_rpc.proto"; |
| |
| package bookkeeper.proto.kv.store; |
| |
| option java_multiple_files = true; |
| option java_package = "org.apache.bookkeeper.stream.proto.kv.store"; |
| |
| enum ValueType { |
| BYTES = 0; |
| NUMBER = 1; // this is to support increment |
| } |
| |
| // KeyRecord holds mvcc metadata for a given key |
| message KeyMeta { |
| |
| // create_revision is the revision of the last creation on the key |
| int64 create_revision = 1; |
| // mod_revision is the revision of the last modification on the key |
| int64 mod_revision = 2; |
| // version is the version of the most recent value |
| int64 version = 3; |
| // value type |
| ValueType value_type = 4; |
| // time in milliseconds when the record expires (0 for none) |
| int64 expireTime = 5; |
| |
| } |
| |
| message NopRequest {} |
| |
| message Command { |
| oneof req { |
| NopRequest nop_req = 1; |
| rpc.PutRequest put_req = 2; |
| rpc.DeleteRangeRequest delete_req = 3; |
| rpc.TxnRequest txn_req = 4; |
| rpc.IncrementRequest incr_req = 5; |
| } |
| } |
| |
| // |
| // Checkpoint related |
| // |
| |
| message FileInfo { |
| string name = 1; |
| string checksum = 2; |
| } |
| |
| message CheckpointMetadata { |
| |
| repeated string files = 1; |
| bytes txid = 2; |
| uint64 created_at = 3; |
| |
| repeated FileInfo fileInfos = 4; |
| } |
| |