content: /*
   * 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.cassandra.service.accord;
  
  import java.util.concurrent.locks.Lock;
  
  import accord.api.Agent;
  import accord.utils.QuadFunction;
  import accord.utils.QuintConsumer;
  
  abstract class AccordExecutorAbstractSemiSyncSubmit extends AccordExecutorAbstractLockLoop
  {
      AccordExecutorAbstractSemiSyncSubmit(Lock lock, int executorId, Agent agent)
      {
          super(lock, executorId, agent);
      }
  
      abstract void awaitExclusive() throws InterruptedException;
  
      <P1s, P1a, P2, P3, P4> void submitExternal(QuintConsumer<AccordExecutor, P1s, P2, P3, P4> sync, QuadFunction<P1a, P2, P3, P4, Submittable> async, P1s p1s, P1a p1a, P2 p2, P3 p3, P4 p4)
      {
          if (!lock.tryLock())
          {
              submitted.push(async.apply(p1a, p2, p3, p4));
              notifyWork();
              return;
          }
  
          try
          {
              submitExternalExclusive(sync, async, p1s, p1a, p2, p3, p4);
          }
          finally
          {
              lock.unlock();
          }
      }
  }
  