| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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 com.googlesource.gerrit.plugins.metricsreporterjmx; |
| |
| import static java.util.stream.Collectors.toList; |
| |
| import com.codahale.metrics.MetricRegistry; |
| import com.codahale.metrics.jmx.JmxReporter; |
| import com.google.gerrit.extensions.annotations.Listen; |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.util.List; |
| import java.util.function.Predicate; |
| import java.util.regex.Pattern; |
| |
| @Listen |
| @Singleton |
| public class GerritJmxReporter implements LifecycleListener { |
| private final JmxReporter reporter; |
| |
| @Inject |
| public GerritJmxReporter(MetricRegistry registry, Configuration config) { |
| List<Pattern> excludes = config.getExcludes().stream().map(Pattern::compile).collect(toList()); |
| Predicate<String> exclusionFilter = |
| s -> excludes.stream().anyMatch(e -> e.matcher(s).matches()); |
| this.reporter = |
| JmxReporter.forRegistry(registry).filter((n, m) -> !exclusionFilter.test(n)).build(); |
| } |
| |
| @Override |
| public void start() { |
| reporter.start(); |
| } |
| |
| @Override |
| public void stop() { |
| reporter.stop(); |
| } |
| } |