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/*******************************************************************************
* Copyright 2017 ZTE, Inc. and others.
*
* Licensed 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.onap.msb.sdk.httpclient.metric;
import static com.codahale.metrics.MetricRegistry.name;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import com.codahale.metrics.JmxReporter;
import com.codahale.metrics.Meter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.Slf4jReporter;
import com.codahale.metrics.Timer;
/**
* @author hu.rui
*
*/
public class MetricManager {
private static MetricRegistry registry = new MetricRegistry();
private static Slf4jReporter slf4jReporter;
private static JmxReporter jmxReporter;
static {
initMetricReporters();
}
protected Map<Method, Timer> timers = new HashMap<>();
protected Map<Method, Meter> meters = new HashMap<>();
protected Map<Method, Meter> exceptionmeters = new HashMap<>();
private static void initMetricReporters() {
/*
* slf4jReporter = Slf4jReporter.forRegistry(registry)
* .outputTo(LoggerFactory.getLogger(RetrofitServiceHandler.class))
* .convertRatesTo(TimeUnit.SECONDS) .convertDurationsTo(TimeUnit.MILLISECONDS) .build();
* slf4jReporter.start(10, TimeUnit.MINUTES);
*/
jmxReporter = JmxReporter.forRegistry(registry).build();
jmxReporter.start();
}
public void initMetric(Class retrofitSrvInterfaceClazz) {
for (Method method : retrofitSrvInterfaceClazz.getMethods()) {
timers.put(method, registry.timer(chooseName(method, "timer")));
meters.put(method, registry.meter(chooseName(method, "meter")));
exceptionmeters.put(method, registry.meter(chooseName(method, "exception")));
}
}
private String chooseName(final Method method, final String... suffixes) {
return name(name(method.getDeclaringClass(), method.getName()), suffixes);
}
public MetricObject getMetricObject(Method method) {
return new MetricObject(timers.get(method), meters.get(method), exceptionmeters.get(method));
}
}
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