content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * 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.alibaba.graphscope.groot.common.util;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.concurrent.Executor;
  import java.util.concurrent.ForkJoinPool;
  import java.util.concurrent.ForkJoinWorkerThread;
  import java.util.concurrent.atomic.AtomicInteger;
  
  public class RpcUtils {
      public static final Logger logger = LoggerFactory.getLogger(RpcUtils.class);
  
      public static Executor createGrpcExecutor(int threadCount) {
          logger.debug("create grpc executor, thread count [" + threadCount + "]");
          return new ForkJoinPool(
                  threadCount,
                  new ForkJoinPool.ForkJoinWorkerThreadFactory() {
                      final AtomicInteger num = new AtomicInteger();
  
                      @Override
                      public ForkJoinWorkerThread newThread(ForkJoinPool pool) {
                          ForkJoinWorkerThread thread =
                                  ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool);
                          thread.setDaemon(true);
                          thread.setName("grpc-worker-" + "-" + num.getAndIncrement());
                          return thread;
                      }
                  },
                  (t, e) -> logger.error("Uncaught exception in thread {}", t.getName(), e),
                  true);
      }
  }
  