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Use a multimap to index the Spec11 threat matches

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Collecting by key leads to exceptions if there are multiple client IDs with the
same email address (if we group by client ID in the pipeline). Using
Multimaps::index means that if we're grouping by email, all matches with the
same email get concatenated together

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=242858112
This commit is contained in:
gbrodman 2019-04-10 06:36:51 -07:00 • committed by jianglai
parent 641c3f6bc3
commit 6b6e2ed930
2 changed files with 50 additions and 5 deletions
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18
java/google/registry/reporting/spec11/PublishSpec11ReportAction.java
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@ -14,6 +14,7 @@
package google.registry.reporting.spec11;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
import static google.registry.reporting.ReportingModule.PARAM_DATE;
import static google.registry.request.Action.Method.POST;
@ -24,7 +25,10 @@ import static javax.servlet.http.HttpServletResponse.SC_OK;
import com.google.api.services.dataflow.Dataflow;
import com.google.api.services.dataflow.model.Job;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimaps;
import com.google.common.flogger.FluentLogger;
import com.google.common.net.MediaType;
import com.google.template.soy.parseinfo.SoyTemplateInfo;
@ -168,12 +172,16 @@ public class PublishSpec11ReportAction implements Runnable {
private ImmutableSet<RegistrarThreatMatches> getNewMatches(
Set<RegistrarThreatMatches> previousMatchesSet,
Set<RegistrarThreatMatches> currentMatchesSet) {
// Group by email address then flat-map all of the ThreatMatch objects together
ImmutableListMultimap<String, RegistrarThreatMatches> currentMatchesByEmail =
Multimaps.index(currentMatchesSet, RegistrarThreatMatches::registrarEmailAddress);
Map<String, List<ThreatMatch>> currentMatchMap =
currentMatchesSet.stream()
.collect(
Collectors.toMap(
RegistrarThreatMatches::registrarEmailAddress,
RegistrarThreatMatches::threatMatches));
Maps.transformValues(
currentMatchesByEmail.asMap(),
registrarThreatMatchesCollection ->
registrarThreatMatchesCollection.stream()
.flatMap(matches -> matches.threatMatches().stream())
.collect(toImmutableList()));
previousMatchesSet.forEach(
previousMatches ->
currentMatchMap.computeIfPresent(