private static List <string> GetDirectoriesToScan(SchedulerContext schedCtxt, JobDataMap mergedJobDataMap)
{
IDirectoryProvider directoryProvider = new DefaultDirectoryProvider();
var explicitDirProviderName = mergedJobDataMap.GetString(DirectoryScanJob.DirectoryProviderName);
if (explicitDirProviderName != null)
{
schedCtxt.TryGetValue(explicitDirProviderName, out var temp);
IDirectoryProvider explicitProvider = (IDirectoryProvider)temp;
directoryProvider = explicitProvider ?? throw new JobExecutionException("IDirectoryProvider named '" +
explicitDirProviderName + "' not found in SchedulerContext");
}
return(directoryProvider.GetDirectoriesToScan(mergedJobDataMap).ToList());
}
private static IDirectoryScanListener GetListener(JobDataMap mergedJobDataMap, SchedulerContext schedCtxt)
{
var listenerName = mergedJobDataMap.GetString(DirectoryScanJob.DirectoryScanListenerName);
if (listenerName == null)
{
throw new JobExecutionException("Required parameter '" +
DirectoryScanJob.DirectoryScanListenerName + "' not found in merged JobDataMap");
}
schedCtxt.TryGetValue(listenerName, out var temp);
IDirectoryScanListener listener = (IDirectoryScanListener)temp;
if (listener == null)
{
throw new JobExecutionException("IDirectoryScanListener named '" +
listenerName + "' not found in SchedulerContext");
}
return(listener);
}
/// <summary>
/// This is the main entry point for job execution. The scheduler will call this method on the
/// job once it is triggered.
/// </summary>
/// <param name="context">The <see cref="IJobExecutionContext"/> that
/// the job will use during execution.</param>
public void Execute(IJobExecutionContext context)
{
JobDataMap mergedJobDataMap = context.MergedJobDataMap;
SchedulerContext schedCtxt = null;
try
{
schedCtxt = context.Scheduler.Context;
}
catch (SchedulerException e)
{
throw new JobExecutionException("Error obtaining scheduler context.", e, false);
}
string dirName = mergedJobDataMap.GetString(DIRECTORY_NAME);
string listenerName = mergedJobDataMap.GetString(DIRECTORY_SCAN_LISTENER_NAME);
if (dirName == null)
{
throw new JobExecutionException("Required parameter '" +
DIRECTORY_NAME + "' not found in merged JobDataMap");
}
if (listenerName == null)
{
throw new JobExecutionException("Required parameter '" +
DIRECTORY_SCAN_LISTENER_NAME + "' not found in merged JobDataMap");
}
object temp;
schedCtxt.TryGetValue(listenerName, out temp);
IDirectoryScanListener listener = (IDirectoryScanListener)temp;
if (listener == null)
{
throw new JobExecutionException("DirectoryScanListener named '" +
listenerName + "' not found in SchedulerContext");
}
DateTime lastDate = DateTime.MinValue;
if (mergedJobDataMap.ContainsKey(LAST_MODIFIED_TIME))
{
lastDate = mergedJobDataMap.GetDateTime(LAST_MODIFIED_TIME);
}
long minAge = 5000;
if (mergedJobDataMap.ContainsKey(MINIMUM_UPDATE_AGE))
{
minAge = mergedJobDataMap.GetLong(MINIMUM_UPDATE_AGE);
}
DateTime maxAgeDate = DateTime.Now.AddMilliseconds(minAge);
FileInfo[] updatedFiles = GetUpdatedOrNewFiles(dirName, lastDate, maxAgeDate);
if (updatedFiles == null)
{
return;
}
DateTime latestMod = DateTime.MinValue;
foreach (FileInfo updFile in updatedFiles)
{
DateTime lm = updFile.LastWriteTime;
latestMod = (lm > latestMod) ? lm : latestMod;
}
if (updatedFiles.Length > 0)
{
// notify call back...
listener.FilesUpdatedOrAdded(updatedFiles);
}
// It is the JobDataMap on the JobDetail which is actually stateful
context.JobDetail.JobDataMap.Put(LAST_MODIFIED_TIME, latestMod);
}
