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.simulator.systems;
  
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  import org.apache.cassandra.distributed.api.IMessage;
  import org.apache.cassandra.simulator.OrderOn;
  import org.apache.cassandra.simulator.systems.InterceptedWait.Trigger;
  import org.apache.cassandra.utils.Shared;
  
  import static org.apache.cassandra.utils.Shared.Scope.SIMULATION;
  
  @Shared(scope = SIMULATION)
  public interface InterceptorOfConsequences
  {
      public static final InterceptorOfConsequences DEFAULT_INTERCEPTOR = new InterceptorOfConsequences()
      {
          @Override
          public void beforeInvocation(InterceptibleThread realThread)
          {
          }
  
          @Override
          public void interceptMessage(IInvokableInstance from, IInvokableInstance to, IMessage message)
          {
              throw new AssertionError();
          }
  
          @Override
          public void interceptWait(InterceptedWait wakeupWith)
          {
              throw new AssertionError();
          }
  
          @Override
          public void interceptWakeup(InterceptedWait wakeup, Trigger trigger, InterceptorOfConsequences waitWasInterceptedBy)
          {
              // TODO (now): should we be asserting here?
              wakeup.triggerBypass();
          }
  
          @Override
          public void interceptExecution(InterceptedExecution invoke, OrderOn orderOn)
          {
              throw new AssertionError();
          }
  
          @Override
          public void interceptTermination(boolean isThreadTermination)
          {
              throw new AssertionError();
          }
      };
  
  
      void beforeInvocation(InterceptibleThread realThread);
      void interceptMessage(IInvokableInstance from, IInvokableInstance to, IMessage message);
      void interceptWakeup(InterceptedWait wakeup, Trigger trigger, InterceptorOfConsequences waitWasInterceptedBy);
      void interceptExecution(InterceptedExecution invoke, OrderOn orderOn);
      void interceptWait(InterceptedWait wakeupWith);
      void interceptTermination(boolean isThreadTermination);
  }
  