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https://issues.apache.org/jira/browse/SCB-85?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16315555#comment-16315555
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ASF GitHub Bot commented on SCB-85:
-----------------------------------
zhengyangyong commented on a change in pull request #476: [SCB-85] Upgrade
Metrics File Output from 0.5.0 to 1.0.0-m1
URL:
https://github.com/apache/incubator-servicecomb-java-chassis/pull/476#discussion_r160066981
##########
File path:
metrics/metrics-extension/metrics-write-file/src/main/java/io/servicecomb/metrics/extension/writefile/SimpleFileContentConvertor.java
##########
@@ -0,0 +1,61 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.servicecomb.metrics.extension.writefile;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import com.netflix.config.DynamicPropertyFactory;
+
+import io.servicecomb.metrics.common.RegistryMetric;
+
+public class SimpleFileContentConvertor implements FileContentConvertor {
+
+ private static final String METRICS_ROUND_PLACES =
"servicecomb.metrics.round_places";
+
+ private final int doubleRoundPlaces;
+
+ private final String doubleStringFormatter;
+
+ public SimpleFileContentConvertor() {
+ doubleRoundPlaces =
DynamicPropertyFactory.getInstance().getIntProperty(METRICS_ROUND_PLACES,
1).get();
+ doubleStringFormatter = "%." + String.valueOf(doubleRoundPlaces) + "f";
+ }
+
+ @Override
+ public Map<String, String> convert(RegistryMetric registryMetric) {
+ Map<String, String> pickedMetrics = new HashMap<>();
+ for (Entry<String, Number> metric : registryMetric.toMap().entrySet()) {
+ pickedMetrics.put(metric.getKey(), String.format(doubleStringFormatter,
+ round(metric.getValue().doubleValue(), doubleRoundPlaces)));
+ }
+ return pickedMetrics;
+ }
+
+ private double round(double value, int places) {
+ if (!Double.isNaN(value)) {
+ BigDecimal decimal = new BigDecimal(value);
+ return decimal.setScale(places, RoundingMode.HALF_UP).doubleValue();
+ } else {
Review comment:
Done
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> Upgrade Metrics File Output from 0.5.0 to 1.0.0-m1
> --------------------------------------------------
>
> Key: SCB-85
> URL: https://issues.apache.org/jira/browse/SCB-85
> Project: Apache ServiceComb
> Issue Type: Sub-task
> Components: Java-Chassis
> Reporter: yangyongzheng
> Assignee: yangyongzheng
> Fix For: java-chassis-1.0.0-m1
>
>
> Because metrics had complete reflected in 1.0.0-m1,so we need upgrade file
> output example and show new features.
> 1.support more build-in metric
> 2.support output operation level metric
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