| /* |
| * 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.flink.statefun.flink.core.metrics; |
| |
| import java.util.Objects; |
| import org.apache.flink.metrics.Counter; |
| import org.apache.flink.metrics.MetricGroup; |
| |
| public class FlinkFunctionDispatcherMetrics implements FunctionDispatcherMetrics { |
| private final Counter inflightAsyncOperations; |
| |
| public FlinkFunctionDispatcherMetrics(MetricGroup operatorGroup) { |
| Objects.requireNonNull(operatorGroup, "operatorGroup"); |
| |
| this.inflightAsyncOperations = operatorGroup.counter("inflight-async-ops"); |
| } |
| |
| @Override |
| public void asyncOperationRegistered() { |
| inflightAsyncOperations.inc(); |
| } |
| |
| @Override |
| public void asyncOperationCompleted() { |
| inflightAsyncOperations.dec(); |
| } |
| } |