content: package act.job;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2019 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.inject.util.Sorter;
  import act.util.LogSupport;
  import act.util.LogSupportedDestroyableBase;
  import org.osgl.util.C;
  
  import java.util.*;
  
  public class JobExceptionListenerManager extends LogSupportedDestroyableBase {
  
      private Map<String, List<JobExceptionListener>> repo = new HashMap<>();
      private List<JobExceptionListener> globalListeners = new ArrayList<>();
  
      @Override
      protected void releaseResources() {
          trace("release JobExceptionListenerManager");
          repo.clear();
          globalListeners.clear();
      }
  
      public void registerJobExceptionListener(JobExceptionListener l) {
          String[] jobIds = l.listenTo();
          if (null == jobIds || jobIds.length == 0) {
              globalListeners.add(l);
              Collections.sort(globalListeners, Sorter.COMPARATOR);
              return;
          }
          Set<String> set = C.setOf(jobIds);
          for (String jobId : set) {
              List<JobExceptionListener> list = repo.get(jobId);
              if (null == list) {
                  list = new ArrayList<>();
                  repo.put(jobId, list);
              }
              list.add(l);
          }
      }
  
      public void handleJobException(String jobId, Exception e) {
          List<JobExceptionListener> listeners = repo.get(jobId);
          List<JobExceptionListener> allListeners;
          if (null != listeners) {
              allListeners = new ArrayList<>();
              allListeners.addAll(listeners);
              allListeners.addAll(globalListeners);
              Collections.sort(allListeners, Sorter.COMPARATOR);
          } else {
              allListeners = globalListeners;
          }
          for (JobExceptionListener l : allListeners) {
              try {
                  if (l.handleJobException(jobId, e)) {
                      return;
                  }
              } catch (Exception e2) {
                  warn(e, "Job exception encountered on running job[%s]", jobId);
                  error(e, "Error calling JobExceptionListener[%s] on Exception[%s]", l, e);
                  return;
              }
          }
          warn(e, "Job exception encountered on running job[%s]", jobId);
      }
  
  }
  