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.api;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import accord.api.ViolationHandler;
  import accord.local.Command;
  import accord.local.SafeCommandStore;
  import accord.primitives.Participants;
  import accord.primitives.Route;
  import accord.primitives.Timestamp;
  import accord.primitives.TxnId;
  
  import static accord.utils.Invariants.illegalState;
  
  public class AccordViolationHandler implements ViolationHandler
  {
      private static final Logger logger = LoggerFactory.getLogger(AccordViolationHandler.class);
  
      public static void setup()
      {
          ViolationHandlerHolder.set(AccordViolationHandler::new);
      }
  
      @Override
      public void onTimestampViolation(SafeCommandStore safeStore, Command command, Participants<?> otherParticipants, Route<?> otherRoute, Timestamp otherExecuteAt)
      {
          throw illegalState(ViolationHandler.timestampViolationMessage(safeStore, command, otherParticipants, otherRoute, otherExecuteAt));
      }
  
      @Override
      public void onDependencyViolation(Participants<?> participants, TxnId notWitnessed, Timestamp notWitnessedExecuteAt, TxnId by, Timestamp byExecuteAt)
      {
          logger.error(ViolationHandler.dependencyViolationMessage(participants, notWitnessed, notWitnessedExecuteAt, by, byExecuteAt));
      }
  }
  