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#BAEL-397: use toMap instead of creating an empty hashmap (#2167) 

* BAEL-397: use toMap instead of creating an empty hashmap

* BAEL-397: static import toMap for cleaner code
This commit is contained in:
Tian Baoqiang 2017-06-27 13:35:41 +08:00 committed by Grzegorz Piwowarek
parent 3ae96995ad
commit 213a6e2bf2
1 changed files with 6 additions and 7 deletions
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13
metrics/src/test/java/com/baeldung/metrics/servo/MetricTypeTest.java
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@ -5,10 +5,10 @@ import com.netflix.servo.stats.StatsConfig;
import org.junit.Ignore;
import org.junit.Test;
import java.util.HashMap;
import java.util.Map;
import static java.util.concurrent.TimeUnit.SECONDS;
import static java.util.stream.Collectors.toMap;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
@ -123,15 +123,14 @@ public class MetricTypeTest {
.getTotalTime()
.intValue());
final Map<String, Long> metricMap = new HashMap<>(3);
timer
final Map<String, Long> metricMap = timer
.getMonitors()
.stream()
.filter(monitor -> monitor
.getConfig()
.getTags()
.containsKey("servo.bucket"))
.forEach(monitor -> metricMap.put(getMonitorTagValue(monitor, "servo.bucket"), (Long) monitor.getValue()));
.collect(toMap(monior -> getMonitorTagValue(monior, "servo.bucket"), monitor -> (Long) monitor.getValue()));
assertThat(metricMap, allOf(hasEntry("bucket=2s", 0L), hasEntry("bucket=5s", 1L), hasEntry("bucket=overflow", 1L)));
}
@ -177,10 +176,10 @@ public class MetricTypeTest {
.getValue()
.intValue());
final Map<String, Number> metricMap = new HashMap<>(10);
timer
final Map<String, Number> metricMap = timer
.getMonitors()
.forEach(monitor -> metricMap.put(getMonitorTagValue(monitor, "statistic"), (Number) monitor.getValue()));
.stream()
.collect(toMap(monitor -> getMonitorTagValue(monitor, "statistic"), monitor -> (Number) monitor.getValue()));
assertThat(metricMap.keySet(), containsInAnyOrder("count", "totalTime", "max", "min", "variance", "stdDev", "avg", "percentile_99", "percentile_95", "percentile_90"));
}