| /* |
| * 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.geode.metrics.internal; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| |
| import io.micrometer.core.instrument.MeterRegistry; |
| import io.micrometer.core.instrument.binder.MeterBinder; |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.annotations.VisibleForTesting; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| /** |
| * Binds a collection of meter binders to a meter registry. |
| */ |
| public class CompoundMeterBinder implements CloseableMeterBinder { |
| private final Logger logger; |
| private final Collection<MeterBinder> meterBinders = new HashSet<>(); |
| |
| public CompoundMeterBinder(Collection<MeterBinder> binders) { |
| this(LogService.getLogger(), binders); |
| } |
| |
| @VisibleForTesting |
| CompoundMeterBinder(Logger logger, Collection<MeterBinder> binders) { |
| this.logger = logger; |
| this.meterBinders.addAll(binders); |
| } |
| |
| /** |
| * Binds each constituent meter binder to the given registry and logs each thrown exception. |
| */ |
| @Override |
| public void bindTo(MeterRegistry registry) { |
| meterBinders.forEach(binder -> bind(registry, binder)); |
| } |
| |
| /** |
| * Closes each closeable meter binder and logs each thrown exception. |
| */ |
| @Override |
| public void close() { |
| meterBinders.stream() |
| .filter(AutoCloseable.class::isInstance) |
| .map(AutoCloseable.class::cast) |
| .forEach(this::close); |
| } |
| |
| private void bind(MeterRegistry registry, MeterBinder binder) { |
| try { |
| binder.bindTo(registry); |
| } catch (Exception thrown) { |
| logger.warn("Exception while binding meter binder " + binder, thrown); |
| } |
| } |
| |
| private void close(AutoCloseable binder) { |
| try { |
| binder.close(); |
| } catch (Exception thrown) { |
| logger.warn("Exception while closing meter binder " + binder, thrown); |
| } |
| } |
| } |