package com.atlassian.plugin.refimpl.scheduler;
   
   import com.atlassian.plugin.refimpl.tenant.RefappTenantRegistry;
   import com.atlassian.scheduler.SchedulerServiceException;
   import com.atlassian.scheduler.core.LifecycleAwareSchedulerService;
   import com.atlassian.scheduler.core.impl.MemoryRunDetailsDao;
   import com.atlassian.scheduler.quartz1.Quartz1DefaultSettingsFactory;
   import com.atlassian.scheduler.quartz1.Quartz1SchedulerService;
   import com.atlassian.scheduler.quartz1.spi.Quartz1SchedulerConfiguration;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  import java.util.Properties;
  import java.util.TimeZone;
  
  public final class SchedulerServiceFactory {
      public static LifecycleAwareSchedulerService inMemoryWithDefaultSettings() {
          LifecycleAwareSchedulerService schedulerService;
          try {
              schedulerService = new Quartz1SchedulerService(
                      new MemoryRunDetailsDao(),
                      new Quartz1SchedulerConfiguration() {
                          @Nonnull
                          @Override
                          public Properties getLocalSettings() {
                              return Quartz1DefaultSettingsFactory.getDefaultLocalSettings();
                          }
  
                          @Nonnull
                          @Override
                          public Properties getClusteredSettings() {
                              return Quartz1DefaultSettingsFactory.getDefaultLocalSettings();
                          }
  
                          @Nullable
                          @Override
                          public TimeZone getDefaultTimeZone() {
                              return TimeZone.getDefault();
                          }
                      },
                      new RefappTenantRegistry()
              );
          } catch (SchedulerServiceException e) {
              schedulerService = null;
          }
  
          return schedulerService;
      }
  
      private SchedulerServiceFactory() {
      }
  }