blob: 55c6ccd9b719c3707ceae534173f381833332240 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed 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.
*/
package com.android.adservices.service.measurement.aggregation;
import com.android.adservices.service.measurement.FilterData;
import com.android.adservices.service.measurement.util.Filter;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
/**
* Class used to generate AggregateReport using AggregatableAttributionSource and
* AggregatableAttributionTrigger.
*/
public class AggregatePayloadGenerator {
private AggregatePayloadGenerator() {}
/**
* Generates the {@link AggregateReport} from given AggregatableAttributionSource and
* AggregatableAttributionTrigger.
*
* @param attributionSource the aggregate attribution source used for aggregation.
* @param attributionTrigger the aggregate attribution trigger used for aggregation.
* @return the aggregate report generated by the given aggregate attribution source and
* aggregate attribution trigger.
*/
public static Optional<List<AggregateHistogramContribution>> generateAttributionReport(
AggregatableAttributionSource attributionSource,
AggregatableAttributionTrigger attributionTrigger) {
FilterData sourceFilterData = attributionSource.getFilterData();
Map<String, BigInteger> aggregateSourceMap =
attributionSource.getAggregatableSource();
for (AggregateTriggerData triggerData : attributionTrigger.getTriggerData()) {
Optional<FilterData> filterData = triggerData.getFilter();
Optional<FilterData> notFilterData = triggerData.getNotFilter();
// Skip this trigger data when filter doesn't match.
if (filterData.isPresent()
&& !Filter.isFilterMatch(sourceFilterData, filterData.get(), true)) {
continue;
}
// Skip this trigger data when not_filters doesn't match.
if (notFilterData.isPresent()
&& !Filter.isFilterMatch(
sourceFilterData, notFilterData.get(), false)) {
continue;
}
for (String sourceKey : triggerData.getSourceKeys()) {
aggregateSourceMap.computeIfPresent(sourceKey, (k, v) ->
v.or(triggerData.getKey()));
}
}
List<AggregateHistogramContribution> contributions = new ArrayList<>();
for (String id : aggregateSourceMap.keySet()) {
if (!attributionTrigger.getValues().containsKey(id)) {
continue;
}
AggregateHistogramContribution contribution =
new AggregateHistogramContribution.Builder()
.setKey(aggregateSourceMap.get(id))
.setValue(attributionTrigger.getValues().get(id)).build();
contributions.add(contribution);
}
if (contributions.size() > 0) {
return Optional.of(contributions);
}
return Optional.empty();
}
}
|
