/**
* Copyright (C) 2012-2014 the original author or authors.
*
* 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 ninja.metrics;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import com.codahale.metrics.Meter;
import com.codahale.metrics.MetricRegistry;
import com.google.inject.Provider;
public class MeteredInterceptor implements MethodInterceptor {
final private Provider<MetricsService> metricsServiceProvider;
public MeteredInterceptor(Provider<MetricsService> metricsServiceProvider) {
this.metricsServiceProvider = metricsServiceProvider;
}
@Override
public Object invoke(MethodInvocation invocation) throws Throwable {
String timerName = invocation.getMethod().getAnnotation(Metered.class).value();
if (timerName.isEmpty()) {
timerName = MetricRegistry.name(invocation.getThis().getClass().getSuperclass(), invocation.getMethod().getName());
}
Meter meter
= metricsServiceProvider
.get()
.getMetricRegistry()
.meter(timerName);
meter.mark();
try {
return invocation.proceed();
} finally {
}
}
}