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This commit is contained in:
Phillip Webb 2015-06-05 09:29:09 -07:00
parent 9b5e5f7bf8
commit 6230d905c6
2 changed files with 18 additions and 23 deletions
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35
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/aggregate/AggregateMetricReader.java
View File

@ -29,9 +29,8 @@ import org.springframework.util.StringUtils;
* collecting data from many sources in the same form (like a scaled-out application). The
* source has metrics with names in the form {@code *.*.counter.**} and
* {@code *.*.[anything].**}, and the result has metric names in the form
* {@code aggregate.count.**} and {@code aggregate.[anything].**}. Counters are
* summed and anything else (i.e. gauges) are aggregated by choosing the most recent
* value.
* {@code aggregate.count.**} and {@code aggregate.[anything].**}. Counters are summed and
* anything else (i.e. gauges) are aggregated by choosing the most recent value.
*
* @author Dave Syer
* @since 1.3.0
@ -60,7 +59,6 @@ public class AggregateMetricReader implements MetricReader {
* names)</li>
* </ul>
* Default is "d.d" (we assume there is a global prefix of length 2).
*
* @param keyPattern the keyPattern to set
*/
public void setKeyPattern(String keyPattern) {
@ -68,13 +66,15 @@ public class AggregateMetricReader implements MetricReader {
}
/**
* Prefix to apply to all output metrics. A period will be appended if not present in the
* provided value.
*
* Prefix to apply to all output metrics. A period will be appended if not present in
* the provided value.
* @param prefix the prefix to use (default "aggregator.")
*/
public void setPrefix(String prefix) {
this.prefix = prefix.endsWith(".") ? prefix : (StringUtils.hasText(prefix) ? prefix + "." : "");
if (StringUtils.hasText(prefix) && !prefix.endsWith(".")) {
prefix = prefix + ".";
}
this.prefix = prefix;
}
@Override
@ -139,20 +139,15 @@ public class AggregateMetricReader implements MetricReader {
String[] keys = StringUtils.delimitedListToStringArray(name, ".");
String[] patterns = StringUtils.delimitedListToStringArray(this.keyPattern, ".");
StringBuilder builder = new StringBuilder();
int index = 0;
for (index = 0; index < patterns.length; index++) {
if ("k".equals(patterns[index])) {
if (builder.length() > 0) {
builder.append(".");
}
builder.append(keys[index]);
for (int i = 0; i < patterns.length; i++) {
if ("k".equals(patterns[i])) {
builder.append(builder.length() > 0 ? "." : "");
builder.append(keys[i]);
}
}
for (; index < keys.length; index++) {
if (builder.length() > 0) {
builder.append(".");
}
builder.append(keys[index]);
for (int i = patterns.length; i < keys.length; i++) {
builder.append(builder.length() > 0 ? "." : "");
builder.append(keys[i]);
}
return builder.toString();
}

6
spring-boot-actuator/src/test/java/org/springframework/boot/actuate/metrics/aggregate/AggregateMetricReaderTests.java
View File

@ -16,9 +16,6 @@
package org.springframework.boot.actuate.metrics.aggregate;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import java.util.Date;
import org.junit.Test;
@ -26,6 +23,9 @@ import org.springframework.boot.actuate.metrics.Metric;
import org.springframework.boot.actuate.metrics.repository.InMemoryMetricRepository;
import org.springframework.boot.actuate.metrics.writer.Delta;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* Tests for {@link AggregateMetricReader}.
*