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[Java] Avoid duplicate timestamps in InfluxDB fixtures #40772

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[Java] Avoid duplicate timestamps in InfluxDB fixtures #40772

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35 changes: 16 additions & 19 deletions sdks/java/io/influxdb/src/test/java/org/apache/beam/sdk/io/influxdb/GenerateData.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,15 +23,23 @@
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.TimeUnit;

class GenerateData {

private static Random random = new Random();

static List<String> getMetric(String metric, int number) {
return getMetric(metric, number, new HashSet<>());
}

private static List<String> getMetric(String metric, int number, Set<Long> timestamps) {
List<String> element = new ArrayList<>();
for (int i = 0; i < number; i++) {
Model m = new Model();
Expand All @@ -47,7 +55,11 @@ static List<String> getMetric(String metric, int number) {
random.nextInt(60),
random.nextInt(999999999 + 1)));
ZonedDateTime zdt = time.atZone(ZoneOffset.UTC);
m.setTime(zdt.toInstant().toEpochMilli());
long timestamp = zdt.toInstant().toEpochMilli();
while (!timestamps.add(timestamp)) {
timestamp++;
}
m.setTime(timestamp);
m.setTimeUnit(TimeUnit.MILLISECONDS);
element.add(m.getLineProtocol());
}
Expand All @@ -56,25 +68,10 @@ static List<String> getMetric(String metric, int number) {

static List<String> getMultipleMetric(List<String> metrics, int number) {
List<String> element = new ArrayList<>();
Map<String, Set<Long>> timestamps = new HashMap<>();
for (String metric : metrics) {
for (int i = 0; i < number; i++) {
Model m = new Model();
m.setMeasurement(metric);
m.addField("field1", random.nextInt(100));
m.addField("field2", random.nextInt(100));
LocalDateTime time =
LocalDateTime.of(
LocalDate.now(ZoneOffset.UTC),
LocalTime.of(
random.nextInt(24),
random.nextInt(60),
random.nextInt(60),
random.nextInt(999999999 + 1)));
ZonedDateTime zdt = time.atZone(ZoneOffset.UTC);
m.setTime(zdt.toInstant().toEpochMilli());
m.setTimeUnit(TimeUnit.MILLISECONDS);
element.add(m.getLineProtocol());
}
Set<Long> metricTimestamps = timestamps.computeIfAbsent(metric, unused -> new HashSet<>());
element.addAll(getMetric(metric, number, metricTimestamps));
}
return element;
}
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