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Add ifPresent check at optional

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chimp1984 2020-10-24 13:03:03 -05:00
parent 55c663ad47
commit 832bc83e93
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1 changed files with 4 additions and 1 deletions
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monitor/src/main/java/bisq/monitor/metric/P2PMarketStats.java
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@ -34,6 +34,7 @@ import java.util.ArrayList;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.Optional;
import java.util.Random; import java.util.Random;
import java.util.Set; import java.util.Set;
import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentHashMap;
@ -223,7 +224,9 @@ public class P2PMarketStats extends P2PSeedNodeSnapshotBase {
// do version statistics // do version statistics
report.clear(); report.clear();
versionBucketsPerHost.values().stream().findAny().get().values().forEach((version, numberOfOccurrences) -> report.put(version, String.valueOf(numberOfOccurrences.value()))); Optional<Statistics<Aggregator>> optionalStatistics = versionBucketsPerHost.values().stream().findAny();
optionalStatistics.ifPresent(aggregatorStatistics -> aggregatorStatistics.values()
.forEach((version, numberOfOccurrences) -> report.put(version, String.valueOf(numberOfOccurrences.value()))));
reporter.report(report, "versions"); reporter.report(report, "versions");
} }