| /* |
| * 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.dubbo.metrics.filter; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.PROVIDER; |
| |
| import java.util.function.Consumer; |
| |
| import org.apache.dubbo.common.extension.Activate; |
| import org.apache.dubbo.common.metrics.collector.DefaultMetricsCollector; |
| import org.apache.dubbo.rpc.BaseFilter; |
| import org.apache.dubbo.rpc.Filter; |
| import org.apache.dubbo.rpc.Invocation; |
| import org.apache.dubbo.rpc.Invoker; |
| import org.apache.dubbo.rpc.Result; |
| import org.apache.dubbo.rpc.RpcException; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| import org.apache.dubbo.rpc.model.ScopeModelAware; |
| |
| @Activate(group = PROVIDER, order = -1) |
| public class MetricsFilter implements Filter, BaseFilter.Listener, ScopeModelAware { |
| |
| private DefaultMetricsCollector collector = null; |
| |
| private ApplicationModel applicationModel; |
| |
| |
| @Override |
| public void setApplicationModel(ApplicationModel applicationModel) { |
| this.applicationModel = applicationModel; |
| collector = applicationModel.getBeanFactory().getBean(DefaultMetricsCollector.class); |
| } |
| |
| @Override |
| public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException { |
| if (collector == null || !collector.isCollectEnabled()) { |
| return invoker.invoke(invocation); |
| } |
| collect(invocation, MetricsCollectExecutor::beforeExecute); |
| |
| return invoker.invoke(invocation); |
| } |
| |
| @Override |
| public void onResponse(Result result, Invoker<?> invoker, Invocation invocation) { |
| collect(invocation, collector->collector.postExecute(result)); |
| } |
| |
| @Override |
| public void onError(Throwable t, Invoker<?> invoker, Invocation invocation) { |
| collect(invocation,collector-> collector.throwExecute(t)); |
| } |
| |
| private void collect(Invocation invocation, Consumer<MetricsCollectExecutor> execute) { |
| MetricsCollectExecutor collectorExecutor = new MetricsCollectExecutor(collector, invocation); |
| execute.accept(collectorExecutor); |
| } |
| } |