1// Copyright 2023 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14syntax = "proto3";
15
16package cobalt;
17
18option java_multiple_files = true;
19option java_package = "com.google.cobalt";
20
21// Aggregated data for specific local aggregation procedures.
22message AggregateValue {
23  oneof aggregate_value {
24    // Used by COUNT.
25    int64 integer_value = 1;
26
27    // Used by STRING_COUNTS.
28    LocalIndexHistogram index_histogram = 2;
29  }
30}
31
32// Histogram with buckets that indexes into a list of string hashes or integer
33// buckets from the registry.
34message LocalIndexHistogram {
35  message Bucket {
36    // Index into the list the histogram refers to.
37    int32 index = 1;
38
39    // The occurrence count of the list item.
40    int64 count = 2;
41  }
42  repeated Bucket buckets = 1;
43}
44