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AbstractMicrometerService.java
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AbstractMicrometerService.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.json;
import java.util.concurrent.TimeUnit;
import java.util.function.Predicate;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.Tags;
import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
import org.apache.camel.CamelContext;
import org.apache.camel.RuntimeCamelException;
import org.apache.camel.component.micrometer.MicrometerConstants;
import org.apache.camel.spi.Registry;
import org.apache.camel.support.service.ServiceSupport;
public class AbstractMicrometerService extends ServiceSupport {
private CamelContext camelContext;
private MeterRegistry meterRegistry;
private boolean prettyPrint = true;
private TimeUnit durationUnit = TimeUnit.MILLISECONDS;
private Iterable<Tag> matchingTags = Tags.empty();
private Predicate<String> matchingNames;
private transient ObjectMapper mapper;
private transient ObjectMapper secondsMapper;
public MeterRegistry getMeterRegistry() {
return meterRegistry;
}
public void setMeterRegistry(MeterRegistry meterRegistry) {
this.meterRegistry = meterRegistry;
}
public CamelContext getCamelContext() {
return camelContext;
}
public void setCamelContext(CamelContext camelContext) {
this.camelContext = camelContext;
}
public boolean isPrettyPrint() {
return prettyPrint;
}
public void setPrettyPrint(boolean prettyPrint) {
this.prettyPrint = prettyPrint;
}
public TimeUnit getDurationUnit() {
return durationUnit;
}
public void setDurationUnit(TimeUnit durationUnit) {
this.durationUnit = durationUnit;
}
public Iterable<Tag> getMatchingTags() {
return matchingTags;
}
public void setMatchingTags(Iterable<Tag> matchingTags) {
this.matchingTags = matchingTags;
}
public Predicate<String> getMatchingNames() {
return matchingNames;
}
public void setMatchingNames(Predicate<String> matchingNames) {
this.matchingNames = matchingNames;
}
public String dumpStatisticsAsJson() {
ObjectWriter writer = mapper.writer();
if (isPrettyPrint()) {
writer = writer.withDefaultPrettyPrinter();
}
try {
return writer.writeValueAsString(getMeterRegistry());
} catch (JsonProcessingException e) {
throw RuntimeCamelException.wrapRuntimeCamelException(e);
}
}
public String dumpStatisticsAsJsonTimeUnitSeconds() {
ObjectWriter writer = secondsMapper.writer();
if (isPrettyPrint()) {
writer = writer.withDefaultPrettyPrinter();
}
try {
return writer.writeValueAsString(getMeterRegistry());
} catch (JsonProcessingException e) {
throw RuntimeCamelException.wrapRuntimeCamelException(e);
}
}
@Override
protected void doStart() {
if (meterRegistry == null) {
Registry camelRegistry = getCamelContext().getRegistry();
meterRegistry = camelRegistry.lookupByNameAndType(MicrometerConstants.METRICS_REGISTRY_NAME, MeterRegistry.class);
// create a new metricsRegistry by default
if (meterRegistry == null) {
meterRegistry = new SimpleMeterRegistry();
}
}
// json mapper
this.mapper = new ObjectMapper()
.registerModule(new MicrometerModule(getDurationUnit(), getMatchingNames(), getMatchingTags()));
this.secondsMapper = getDurationUnit() == TimeUnit.SECONDS
? this.mapper
: new ObjectMapper()
.registerModule(new MicrometerModule(TimeUnit.SECONDS, getMatchingNames(), getMatchingTags()));
}
@Override
protected void doStop() {
// noop
}
}