SpanTagger.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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 org.apache.synapse.aspects.flow.statistics.opentracing.management.helpers;
import io.opentracing.Span;
import org.apache.synapse.MessageContext;
import org.apache.synapse.aspects.flow.statistics.data.raw.BasicStatisticDataUnit;
import org.apache.synapse.aspects.flow.statistics.data.raw.StatisticDataUnit;
import org.apache.synapse.aspects.flow.statistics.data.raw.StatisticsLog;
import org.apache.synapse.aspects.flow.statistics.opentracing.OpenTracingManagerHolder;
import org.apache.synapse.aspects.flow.statistics.opentracing.models.SpanWrapper;
/**
* Applies tags to Spans.
*/
public class SpanTagger {
/**
* Prevents Instantiation.
*/
private SpanTagger() {}
/**
* Sets tags to the span which is contained in the provided span wrapper, from information acquired from the
* given basic statistic data unit.
* @param spanWrapper Span wrapper that contains the target span.
* @param basicStatisticDataUnit Basic statistic data unit from which, tag data will be acquired.
*/
public static void setSpanTags(SpanWrapper spanWrapper, BasicStatisticDataUnit basicStatisticDataUnit) {
StatisticsLog statisticsLog = new StatisticsLog(spanWrapper.getStatisticDataUnit());
Span span = spanWrapper.getSpan();
if (basicStatisticDataUnit instanceof StatisticDataUnit) {
if (OpenTracingManagerHolder.isCollectingPayloads() || OpenTracingManagerHolder.isCollectingProperties()) {
StatisticDataUnit endEventDataUnit = (StatisticDataUnit) basicStatisticDataUnit;
if (OpenTracingManagerHolder.isCollectingPayloads()) {
statisticsLog.setAfterPayload(endEventDataUnit.getPayload());
span.setTag("beforePayload", statisticsLog.getBeforePayload());
span.setTag("afterPayload", statisticsLog.getAfterPayload());
}
if (OpenTracingManagerHolder.isCollectingProperties()) {
if (spanWrapper.getStatisticDataUnit().getContextPropertyMap() != null) {
span.setTag("beforeContextPropertyMap",
spanWrapper.getStatisticDataUnit().getContextPropertyMap().toString());
}
if (statisticsLog.getContextPropertyMap() != null) {
span.setTag("afterContextPropertyMap", statisticsLog.getContextPropertyMap().toString());
}
}
}
span.setTag("componentName", statisticsLog.getComponentName());
span.setTag("componentType", statisticsLog.getComponentTypeToString());
span.setTag("threadId", Thread.currentThread().getId());
span.setTag("componentId", statisticsLog.getComponentId());
span.setTag("hashcode", statisticsLog.getHashCode());
}
}
}