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.causeway.extensions.commandreplay.secondary.analysis;
  
  import java.util.List;
  
  import jakarta.inject.Inject;
  import jakarta.inject.Named;
  
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.extensions.commandlog.applib.dom.CommandLogEntry;
  import org.apache.causeway.extensions.commandreplay.secondary.CausewayModuleExtCommandReplaySecondary;
  import org.apache.causeway.extensions.commandreplay.secondary.analyser.CommandReplayAnalyser;
  
  import lombok.extern.log4j.Log4j2;
  
  /**
   * @since 2.0 {@index}
   */
  @Service
  @Named(CausewayModuleExtCommandReplaySecondary.NAMESPACE + ".CommandReplayAnalysisService")
  @jakarta.annotation.Priority(PriorityPrecedence.MIDPOINT)
  @Log4j2
  public class CommandReplayAnalysisService {
  
      /**
       * if hit an issue with the command having been replayed, then mark this
       * as in error.
       * This will effectively block the running of any further commands until the administrator fixes the issue.
       */
      public void analyse(final CommandLogEntry commandLogEntry) {
          var analysis = analyseReplay(commandLogEntry);
          commandLogEntry.saveAnalysis(analysis);
      }
  
      private String analyseReplay(final CommandLogEntry commandLogEntry) {
  
          for (var analyser : analysers) {
              try {
                  var reason = analyser.analyzeReplay(commandLogEntry);
                  if (reason != null) {
                      return reason;
                  }
              } catch(Exception ex) {
                  final String className = analyser.getClass().getName();
                  log.warn("{} threw exception: ", className, ex);
                  return className + " threw exception: " + ex.getMessage();
              }
          }
          return null;
      }
  
      @Inject List<CommandReplayAnalyser> analysers;
  
  }
  