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ContextMetricsStatistics.java
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ContextMetricsStatistics.java
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/*
* 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 org.apache.camel.component.micrometer.routepolicy;
import io.micrometer.core.instrument.MeterRegistry;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.spi.UnitOfWork;
final class ContextMetricsStatistics extends MicrometerRoutePolicy.MetricsStatistics {
private final boolean registerKamelets;
private final boolean registerTemplates;
ContextMetricsStatistics(MeterRegistry meterRegistry, CamelContext camelContext,
MicrometerRoutePolicyNamingStrategy namingStrategy,
MicrometerRoutePolicyConfiguration configuration, boolean registerKamelets,
boolean registerTemplates) {
super(meterRegistry, camelContext, null, namingStrategy, configuration);
this.registerKamelets = registerKamelets;
this.registerTemplates = registerTemplates;
}
@Override
public void onExchangeBegin(Exchange exchange) {
// this metric is triggered for every route
// so we must only trigger on the root level, otherwise this metric
// total counter will be incorrect. For example if an exchange is routed via 3 routes
// we should only count this as 1 instead of 3.
UnitOfWork uow = exchange.getUnitOfWork();
if (uow != null) {
int level = uow.routeStackLevel(registerTemplates, registerKamelets);
if (level <= 1) {
super.onExchangeBegin(exchange);
}
} else {
super.onExchangeBegin(exchange);
}
}
@Override
public void onExchangeDone(Exchange exchange) {
// this metric is triggered for every route
// so we must only trigger on the root level, otherwise this metric
// total counter will be incorrect. For example if an exchange is routed via 3 routes
// we should only count this as 1 instead of 3.
UnitOfWork uow = exchange.getUnitOfWork();
if (uow != null) {
int level = uow.routeStackLevel(registerTemplates, registerKamelets);
if (level <= 1) {
super.onExchangeDone(exchange);
}
} else {
super.onExchangeDone(exchange);
}
}
}