/// <summary>
/// Creates a scheduler using the specified thread pool and job store and
/// binds it to RMI.
/// </summary>
/// <param name="schedulerName">The name for the scheduler.</param>
/// <param name="schedulerInstanceId">The instance ID for the scheduler.</param>
/// <param name="threadPool">The thread pool for executing jobs</param>
/// <param name="jobStore">The type of job store</param>
/// <param name="schedulerPluginMap"></param>
/// <param name="idleWaitTime">The idle wait time. You can specify TimeSpan.Zero for
/// the default value, which is currently 30000 ms.</param>
/// <param name="dbFailureRetryInterval">The db failure retry interval.</param>
public virtual void CreateScheduler(string schedulerName, string schedulerInstanceId, IThreadPool threadPool,
IJobStore jobStore, IDictionary schedulerPluginMap, TimeSpan idleWaitTime,
TimeSpan dbFailureRetryInterval)
{
// Currently only one run-shell factory is available...
IJobRunShellFactory jrsf = new StdJobRunShellFactory();
// Fire everything up
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SchedulingContext schedCtxt = new SchedulingContext();
schedCtxt.InstanceId = schedulerInstanceId;
SchedulerSchedulerResources qrs = new SchedulerSchedulerResources();
qrs.Name = schedulerName;
qrs.InstanceId = schedulerInstanceId;
qrs.JobRunShellFactory = jrsf;
qrs.ThreadPool = threadPool;
qrs.JobStore = jobStore;
// add plugins
if (schedulerPluginMap != null)
{
foreach (ISchedulerPlugin plugin in schedulerPluginMap.Values)
{
qrs.AddSchedulerPlugin(plugin);
}
}
SchedulerScheduler qs = new SchedulerScheduler(qrs, schedCtxt, idleWaitTime, dbFailureRetryInterval);
ITypeLoadHelper cch = new CascadingClassLoadHelper();
cch.Initialize();
jobStore.Initialize(cch, qs.SchedulerSignaler);
IScheduler scheduler = new StdScheduler(qs, schedCtxt);
// Initialize plugins now that we have a Scheduler instance.
if (schedulerPluginMap != null)
{
foreach (DictionaryEntry pluginEntry in schedulerPluginMap)
{
((ISchedulerPlugin)pluginEntry.Value).Initialize(
(string) pluginEntry.Key, scheduler);
}
}
jrsf.Initialize(scheduler, schedCtxt);
Log.Info(string.Format(CultureInfo.InvariantCulture, "Scheduler scheduler '{0}", scheduler.SchedulerName));
Log.Info(string.Format(CultureInfo.InvariantCulture, "Scheduler scheduler version: {0}", qs.Version));
SchedulerRepository schedRep = SchedulerRepository.Instance;
qs.AddNoGCObject(schedRep); // prevents the repository from being
// garbage collected
schedRep.Bind(scheduler);
}
/// <summary>
/// Create a <see cref="SchedulerScheduler" /> with the given configuration
/// properties.
/// </summary>
/// <seealso cref="SchedulerSchedulerResources" />
public SchedulerScheduler(SchedulerSchedulerResources resources, SchedulingContext ctxt, TimeSpan idleWaitTime, TimeSpan dbRetryInterval)
{
Log = LogManager.GetLogger(GetType());
this.resources = resources;
try
{
Bind();
}
catch (Exception re)
{
throw new SchedulerException("Unable to bind scheduler to remoting context.", re);
}
schedThread = new SchedulerSchedulerThread(this, resources, ctxt);
if (idleWaitTime > TimeSpan.Zero)
{
schedThread.IdleWaitTime = idleWaitTime;
}
if (dbRetryInterval > TimeSpan.Zero)
{
schedThread.DbFailureRetryInterval = dbRetryInterval;
}
jobMgr = new ExecutingJobsManager();
AddGlobalJobListener(jobMgr);
errLogger = new ErrorLogger();
AddSchedulerListener(errLogger);
signaler = new SchedulerSignalerImpl(this, this.schedThread);
Log.Info(string.Format(CultureInfo.InvariantCulture, "Scheduler Scheduler v.{0} created.", Version));
}
/// <summary>
/// The main processing loop of the <see cref="SchedulerSchedulerThread" />.
/// </summary>
public override void Run()
{
bool lastAcquireFailed = false;
while (!halted)
{
try
{
// check if we're supposed to pause...
lock (sigLock)
{
while (paused && !halted)
{
try
{
// wait until togglePause(false) is called...
Monitor.Wait(sigLock, 1000);
}
catch (ThreadInterruptedException)
{
}
}
if (halted)
{
break;
}
}
int availTreadCount = qsRsrcs.ThreadPool.BlockForAvailableThreads();
if (availTreadCount > 0) // will always be true, due to semantics of blockForAvailableThreads...
{
Trigger trigger = null;
DateTime now = DateTime.UtcNow;
ClearSignaledSchedulingChange();
try
{
trigger = qsRsrcs.JobStore.AcquireNextTrigger(ctxt, now.Add(idleWaitTime));
lastAcquireFailed = false;
}
catch (JobPersistenceException jpe)
{
if (!lastAcquireFailed)
{
qs.NotifySchedulerListenersError(
"An error occured while scanning for the next trigger to fire.",
jpe);
}
lastAcquireFailed = true;
}
catch (Exception e)
{
if (!lastAcquireFailed)
{
Log.Error("SchedulerSchedulerThreadLoop: RuntimeException "
+ e.Message, e);
}
lastAcquireFailed = true;
}
if (trigger != null)
{
now = DateTime.UtcNow;
DateTime triggerTime = trigger.GetNextFireTimeUtc().Value;
TimeSpan timeUntilTrigger = triggerTime - now;
while (timeUntilTrigger > TimeSpan.Zero)
{
lock (sigLock)
{
try
{
// we could have blocked a long while
// on 'synchronize', so we must recompute
now = DateTime.UtcNow;
timeUntilTrigger = triggerTime - now;
if (timeUntilTrigger.TotalMilliseconds >= 1)
{
Monitor.Wait(sigLock, timeUntilTrigger);
}
}
catch (ThreadInterruptedException)
{
}
}
if (IsScheduleChanged())
{
if (IsCandidateNewTimeEarlierWithinReason(triggerTime))
{
// above call does a clearSignaledSchedulingChange()
try
{
qsRsrcs.JobStore.ReleaseAcquiredTrigger(ctxt, trigger);
}
catch (JobPersistenceException jpe)
{
qs.NotifySchedulerListenersError(
"An error occured while releasing trigger '"
+ trigger.FullName + "'",
jpe);
// db connection must have failed... keep
// retrying until it's up...
ReleaseTriggerRetryLoop(trigger);
}
catch (Exception e)
{
Log.Error(
"releaseTriggerRetryLoop: RuntimeException "
+ e.Message, e);
// db connection must have failed... keep
// retrying until it's up...
ReleaseTriggerRetryLoop(trigger);
}
trigger = null;
break;
}
}
now = DateTime.UtcNow;
timeUntilTrigger = triggerTime - now;
}
if (trigger == null)
{
continue;
}
// set trigger to 'executing'
TriggerFiredBundle bndle = null;
bool goAhead = true;
lock (sigLock)
{
goAhead = !halted;
}
if(goAhead)
{
try
{
bndle = qsRsrcs.JobStore.TriggerFired(ctxt,
trigger);
}
catch (SchedulerException se)
{
qs.NotifySchedulerListenersError(
string.Format(CultureInfo.InvariantCulture,
"An error occured while firing trigger '{0}'",
trigger.FullName), se);
}
catch (Exception e)
{
Log.Error(
string.Format(CultureInfo.InvariantCulture,
"RuntimeException while firing trigger {0}", trigger.FullName),
e);
// db connection must have failed... keep
// retrying until it's up...
ReleaseTriggerRetryLoop(trigger);
}
}
// it's possible to get 'null' if the trigger was paused,
// blocked, or other similar occurrences that prevent it being
// fired at this time... or if the scheduler was shutdown (halted)
if (bndle == null)
{
try
{
qsRsrcs.JobStore.ReleaseAcquiredTrigger(ctxt,
trigger);
}
catch (SchedulerException se)
{
qs.NotifySchedulerListenersError(
string.Format(CultureInfo.InvariantCulture, "An error occured while releasing trigger '{0}'",
trigger.FullName), se);
// db connection must have failed... keep retrying
// until it's up...
ReleaseTriggerRetryLoop(trigger);
}
continue;
}
// TODO: improvements:
//
// 2- make sure we can get a job runshell before firing trigger, or
// don't let that throw an exception (right now it never does,
// but the signature says it can).
// 3- acquire more triggers at a time (based on num threads available?)
JobRunShell shell;
try
{
shell = qsRsrcs.JobRunShellFactory.BorrowJobRunShell();
shell.Initialize(qs, bndle);
}
catch (SchedulerException)
{
try
{
qsRsrcs.JobStore.TriggeredJobComplete(ctxt,
trigger, bndle.JobDetail,
SchedulerInstruction.
SetAllJobTriggersError);
}
catch (SchedulerException se2)
{
qs.NotifySchedulerListenersError(
string.Format(
CultureInfo.InvariantCulture,
"An error occured while placing job's triggers in error state '{0}'",
trigger.FullName), se2);
// db connection must have failed... keep retrying
// until it's up...
ErrorTriggerRetryLoop(bndle);
}
continue;
}
if (qsRsrcs.ThreadPool.RunInThread(shell) == false)
{
try
{
// this case should never happen, as it is indicative of the
// scheduler being shutdown or a bug in the thread pool or
// a thread pool being used concurrently - which the docs
// say not to do...
Log.Error("ThreadPool.runInThread() return false!");
qsRsrcs.JobStore.TriggeredJobComplete(ctxt,
trigger, bndle.JobDetail,
SchedulerInstruction.
SetAllJobTriggersError);
}
catch (SchedulerException se2)
{
qs.NotifySchedulerListenersError(
string.Format(CultureInfo.InvariantCulture,
"An error occured while placing job's triggers in error state '{0}'",
trigger.FullName), se2);
// db connection must have failed... keep retrying
// until it's up...
ReleaseTriggerRetryLoop(trigger);
}
}
continue;
}
}
else
{
// if(availTreadCount > 0)
continue; // should never happen, if threadPool.blockForAvailableThreads() follows contract
}
DateTime utcNow = DateTime.UtcNow;
DateTime waitTime = utcNow.Add(GetRandomizedIdleWaitTime());
TimeSpan timeUntilContinue = waitTime - utcNow;
lock (sigLock)
{
try
{
Monitor.Wait(sigLock, timeUntilContinue);
}
catch (ThreadInterruptedException)
{
}
}
}
catch (Exception re)
{
if (Log != null)
{
Log.Error("Runtime error occured in main trigger firing loop.", re);
}
}
} // loop...
// drop references to scheduler stuff to aid garbage collection...
qs = null;
qsRsrcs = null;
}
/// <summary>
/// Construct a new <see cref="SchedulerSchedulerThread" /> for the given
/// <see cref="SchedulerScheduler" /> as a <see cref="Thread" /> with the given
/// attributes.
/// </summary>
internal SchedulerSchedulerThread(SchedulerScheduler qs, SchedulerSchedulerResources qsRsrcs, SchedulingContext ctxt,
bool setDaemon, int threadPrio) : base(qsRsrcs.ThreadName)
{
log = LogManager.GetLogger(GetType());
//ThreadGroup generatedAux = qs.SchedulerThreadGroup;
this.qs = qs;
this.qsRsrcs = qsRsrcs;
this.ctxt = ctxt;
IsBackground = setDaemon;
Priority = (ThreadPriority) threadPrio;
// start the underlying thread, but put this object into the 'paused'
// state
// so processing doesn't start yet...
paused = true;
halted = false;
Start();
}
/// <summary>
/// Construct a new <see cref="SchedulerSchedulerThread" /> for the given
/// <see cref="SchedulerScheduler" /> as a non-daemon <see cref="Thread" />
/// with normal priority.
/// </summary>
internal SchedulerSchedulerThread(SchedulerScheduler qs, SchedulerSchedulerResources qsRsrcs, SchedulingContext ctxt)
: this(qs, qsRsrcs, ctxt, qsRsrcs.MakeSchedulerThreadDaemon, (int) ThreadPriority.Normal)
{
}
protected internal virtual IScheduler Instantiate(SchedulerSchedulerResources rsrcs, SchedulerScheduler qs)
{
SchedulingContext schedCtxt = new SchedulingContext();
schedCtxt.InstanceId = rsrcs.InstanceId;
IScheduler sched = new StdScheduler(qs, schedCtxt);
return sched;
}
/// <summary> </summary>
private IScheduler Instantiate()
{
if (cfg == null)
{
Initialize();
}
if (initException != null)
{
throw initException;
}
ISchedulerExporter exporter = null;
IJobStore js;
IThreadPool tp;
SchedulerScheduler qs;
SchedulingContext schedCtxt;
DBConnectionManager dbMgr = null;
string instanceIdGeneratorType = null;
NameValueCollection tProps;
bool autoId = false;
TimeSpan idleWaitTime = TimeSpan.Zero;
TimeSpan dbFailureRetry = TimeSpan.Zero;
string typeLoadHelperType;
string jobFactoryType;
SchedulerRepository schedRep = SchedulerRepository.Instance;
// Get Scheduler Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string schedName = cfg.GetStringProperty(PropertySchedulerInstanceName, "SchedulerScheduler");
string threadName =
cfg.GetStringProperty(PropertySchedulerThreadName, string.Format(CultureInfo.InvariantCulture, "{0}_SchedulerSchedulerThread", schedName));
string schedInstId = cfg.GetStringProperty(PropertySchedulerInstanceId, DefaultInstanceId);
if (schedInstId.Equals(AutoGenerateInstanceId))
{
autoId = true;
instanceIdGeneratorType =
cfg.GetStringProperty(PropertySchedulerInstanceIdGeneratorType,
"Scheduler.Simpl.SimpleInstanceIdGenerator, Scheduler");
}
typeLoadHelperType =
cfg.GetStringProperty(PropertySchedulerTypeLoadHelperType,
"Scheduler.Simpl.CascadingClassLoadHelper, Scheduler");
jobFactoryType = cfg.GetStringProperty(PropertySchedulerJobFactoryType, null);
idleWaitTime = cfg.GetTimeSpanProperty(PropertySchedulerIdleWaitTime, idleWaitTime);
dbFailureRetry = cfg.GetTimeSpanProperty(PropertySchedulerDbFailureRetryInterval, dbFailureRetry);
bool makeSchedulerThreadDaemon = cfg.GetBooleanProperty(PropertySchedulerMakeSchedulerThreadDaemon);
NameValueCollection schedCtxtProps = cfg.GetPropertyGroup(PropertySchedulerContextPrefix, true);
bool proxyScheduler = cfg.GetBooleanProperty(PropertySchedulerProxy, false);
// If Proxying to remote scheduler, short-circuit here...
// ~~~~~~~~~~~~~~~~~~
if (proxyScheduler)
{
if (autoId)
{
schedInstId = DefaultInstanceId;
}
schedCtxt = new SchedulingContext();
schedCtxt.InstanceId = schedInstId;
string uid = SchedulerSchedulerResources.GetUniqueIdentifier(schedName, schedInstId);
RemoteScheduler remoteScheduler = new RemoteScheduler(schedCtxt, uid);
string remoteSchedulerAddress = cfg.GetStringProperty(PropertySchedulerProxyAddress);
remoteScheduler.RemoteSchedulerAddress = remoteSchedulerAddress;
schedRep.Bind(remoteScheduler);
return remoteScheduler;
}
// Create type load helper
ITypeLoadHelper loadHelper;
try
{
loadHelper = (ITypeLoadHelper)ObjectUtils.InstantiateType(LoadType(typeLoadHelperType));
}
catch (Exception e)
{
throw new SchedulerConfigException(
string.Format(CultureInfo.InvariantCulture, "Unable to instantiate type load helper: {0}", e.Message), e);
}
loadHelper.Initialize();
IJobFactory jobFactory = null;
if (jobFactoryType != null)
{
try
{
jobFactory = (IJobFactory) ObjectUtils.InstantiateType(loadHelper.LoadType(jobFactoryType));
}
catch (Exception e)
{
throw new SchedulerConfigException(
string.Format(CultureInfo.InvariantCulture, "Unable to Instantiate JobFactory: {0}", e.Message), e);
}
tProps = cfg.GetPropertyGroup(PropertySchedulerJobFactoryPrefix, true);
try
{
ObjectUtils.SetObjectProperties(jobFactory, tProps);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobFactory of type '{0}' props could not be configured.", jobFactoryType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
}
IInstanceIdGenerator instanceIdGenerator = null;
if (instanceIdGeneratorType != null)
{
try
{
instanceIdGenerator =
(IInstanceIdGenerator)
ObjectUtils.InstantiateType(loadHelper.LoadType(instanceIdGeneratorType));
}
catch (Exception e)
{
throw new SchedulerConfigException(
string.Format(CultureInfo.InvariantCulture, "Unable to Instantiate InstanceIdGenerator: {0}", e.Message), e);
}
tProps = cfg.GetPropertyGroup(PropertySchedulerInstanceIdGeneratorPrefix, true);
try
{
ObjectUtils.SetObjectProperties(instanceIdGenerator, tProps);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "InstanceIdGenerator of type '{0}' props could not be configured.",
instanceIdGeneratorType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
}
// Get ThreadPool Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string tpType = cfg.GetStringProperty(PropertyThreadPoolType, typeof(SimpleThreadPool).AssemblyQualifiedName);
if (tpType == null)
{
initException =
new SchedulerException("ThreadPool type not specified. ", SchedulerException.ErrorBadConfiguration);
throw initException;
}
try
{
tp = (IThreadPool) ObjectUtils.InstantiateType(loadHelper.LoadType(tpType));
}
catch (Exception e)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "ThreadPool type '{0}' could not be instantiated.", tpType),
e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
tProps = cfg.GetPropertyGroup(PropertyThreadPoolPrefix, true);
try
{
ObjectUtils.SetObjectProperties(tp, tProps);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "ThreadPool type '{0}' props could not be configured.", tpType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
// Set up any DataSources
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] dsNames = cfg.GetPropertyGroups(PropertyDataSourcePrefix);
for (int i = 0; i < dsNames.Length; i++)
{
PropertiesParser pp =
new PropertiesParser(
cfg.GetPropertyGroup(string.Format(CultureInfo.InvariantCulture, "{0}.{1}", PropertyDataSourcePrefix, dsNames[i]), true));
string cpType = pp.GetStringProperty(PropertyDbProviderType, null);
// custom connectionProvider...
if (cpType != null)
{
IDbProvider cp;
try
{
cp = (IDbProvider) ObjectUtils.InstantiateType(loadHelper.LoadType(cpType));
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "ConnectionProvider of type '{0}' could not be instantiated.", cpType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
try
{
// remove the type name, so it isn't attempted to be set
pp.UnderlyingProperties.Remove(PropertyDbProviderType);
ObjectUtils.SetObjectProperties(cp, pp.UnderlyingProperties);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "ConnectionProvider type '{0}' props could not be configured.", cpType),
e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
dbMgr = DBConnectionManager.Instance;
dbMgr.AddConnectionProvider(dsNames[i], cp);
}
else
{
string dsProvider = pp.GetStringProperty(PropertyDataSourceProvider, null);
string dsConnectionString = pp.GetStringProperty(PropertyDataSourceConnectionString, null);
string dsConnectionStringName = pp.GetStringProperty(PropertyDataSourceConnectionStringName, null);
if (dsConnectionString == null && dsConnectionStringName != null && dsConnectionStringName.Length > 0)
{
#if NET_20
ConnectionStringSettings connectionStringSettings = ConfigurationManager.ConnectionStrings[dsConnectionStringName];
if (connectionStringSettings == null)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "Named connection string '{0}' not found for DataSource: {1}", dsConnectionStringName, dsNames[i]));
throw initException;
}
dsConnectionString = connectionStringSettings.ConnectionString;
#endif
}
if (dsProvider == null)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "Provider not specified for DataSource: {0}", dsNames[i]));
throw initException;
}
if (dsConnectionString == null)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "Connection string not specified for DataSource: {0}", dsNames[i]));
throw initException;
}
try
{
DbProvider dbp = new DbProvider(dsProvider, dsConnectionString);
dbMgr = DBConnectionManager.Instance;
dbMgr.AddConnectionProvider(dsNames[i], dbp);
}
catch (Exception exception)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "Could not Initialize DataSource: {0}", dsNames[i]),
exception);
throw initException;
}
}
}
// Get JobStore Properties
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string jsType = cfg.GetStringProperty(PropertyJobStoreType, typeof (RAMJobStore).FullName);
if (jsType == null)
{
initException =
new SchedulerException("JobStore type not specified. ", SchedulerException.ErrorBadConfiguration);
throw initException;
}
try
{
js = (IJobStore) ObjectUtils.InstantiateType(loadHelper.LoadType(jsType));
}
catch (Exception e)
{
initException =
new SchedulerException(string.Format(CultureInfo.InvariantCulture, "JobStore of type '{0}' could not be instantiated.", jsType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
tProps =
cfg.GetPropertyGroup(PropertyJobStorePrefix, true, new string[] {PropertyJobStoreLockHandlerPrefix});
try
{
ObjectUtils.SetObjectProperties(js, tProps);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobStore type '{0}' props could not be configured.", jsType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
if (js is JobStoreSupport)
{
((JobStoreSupport) js).InstanceId = schedInstId;
((JobStoreSupport) js).InstanceName = schedName;
// Install custom lock handler (Semaphore)
string lockHandlerTypeName = cfg.GetStringProperty(PropertyJobStoreLockHandlerType);
if (lockHandlerTypeName != null)
{
try
{
Type lockHandlerType = loadHelper.LoadType(lockHandlerTypeName);
ISemaphore lockHandler;
ConstructorInfo cWithDbProvider =
lockHandlerType.GetConstructor(new Type[] {typeof (DbProvider)});
if (cWithDbProvider != null)
{
// takes db provider
IDbProvider dbProvider = DBConnectionManager.Instance.GetDbProvider(((JobStoreSupport) js).DataSource);
lockHandler = (ISemaphore) cWithDbProvider.Invoke(new object[] { dbProvider });
}
else
{
lockHandler = (ISemaphore)ObjectUtils.InstantiateType(lockHandlerType);
}
tProps = cfg.GetPropertyGroup(PropertyJobStoreLockHandlerPrefix, true);
// If this lock handler requires the table prefix, add it to its properties.
if (lockHandler is ITablePrefixAware)
{
tProps[PropertyTablePrefix] = ((JobStoreSupport) js).TablePrefix;
}
try
{
ObjectUtils.SetObjectProperties(lockHandler, tProps);
}
catch (Exception e)
{
initException = new SchedulerException(string.Format(CultureInfo.InvariantCulture, "JobStore LockHandler type '{0}' props could not be configured.", lockHandlerTypeName), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
((JobStoreSupport) js).LockHandler = lockHandler;
Log.Info("Using custom data access locking (synchronization): " + lockHandlerType);
}
catch (Exception e)
{
initException = new SchedulerException(string.Format(CultureInfo.InvariantCulture, "JobStore LockHandler type '{0}' could not be instantiated.", lockHandlerTypeName), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
}
}
// Set up any SchedulerPlugins
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] pluginNames = cfg.GetPropertyGroups(PropertyPluginPrefix);
ISchedulerPlugin[] plugins = new ISchedulerPlugin[pluginNames.Length];
for (int i = 0; i < pluginNames.Length; i++)
{
NameValueCollection pp =
cfg.GetPropertyGroup(string.Format(CultureInfo.InvariantCulture, "{0}.{1}", PropertyPluginPrefix, pluginNames[i]), true);
string plugInType = pp[PropertyPluginType] == null ? null : pp[PropertyPluginType];
if (plugInType == null)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "SchedulerPlugin type not specified for plugin '{0}'", pluginNames[i]),
SchedulerException.ErrorBadConfiguration);
throw initException;
}
ISchedulerPlugin plugin;
try
{
plugin = (ISchedulerPlugin) ObjectUtils.InstantiateType(LoadType(plugInType));
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "SchedulerPlugin of type '{0}' could not be instantiated.", plugInType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
try
{
ObjectUtils.SetObjectProperties(plugin, pp);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobStore SchedulerPlugin '{0}' props could not be configured.", plugInType),
e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
plugins[i] = plugin;
}
// Set up any JobListeners
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Type[] strArg = new Type[] {typeof (string)};
string[] jobListenerNames = cfg.GetPropertyGroups(PropertyJobListenerPrefix);
IJobListener[] jobListeners = new IJobListener[jobListenerNames.Length];
for (int i = 0; i < jobListenerNames.Length; i++)
{
NameValueCollection lp =
cfg.GetPropertyGroup(string.Format(CultureInfo.InvariantCulture, "{0}.{1}", PropertyJobListenerPrefix, jobListenerNames[i]), true);
string listenerType = lp[PropertyListenerType] == null ? null : lp[PropertyListenerType];
if (listenerType == null)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobListener type not specified for listener '{0}'", jobListenerNames[i]),
SchedulerException.ErrorBadConfiguration);
throw initException;
}
IJobListener listener;
try
{
listener = (IJobListener) ObjectUtils.InstantiateType(loadHelper.LoadType(listenerType));
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobListener of type '{0}' could not be instantiated.", listenerType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
try
{
MethodInfo nameSetter =
listener.GetType().GetMethod("setName", (strArg == null) ? new Type[0] : strArg);
if (nameSetter != null)
{
nameSetter.Invoke(listener, new object[] {jobListenerNames[i]});
}
ObjectUtils.SetObjectProperties(listener, lp);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "JobListener '{0}' props could not be configured.", listenerType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
jobListeners[i] = listener;
}
// Set up any TriggerListeners
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string[] triggerListenerNames = cfg.GetPropertyGroups(PropertyTriggerListenerPrefix);
ITriggerListener[] triggerListeners = new ITriggerListener[triggerListenerNames.Length];
for (int i = 0; i < triggerListenerNames.Length; i++)
{
NameValueCollection lp =
cfg.GetPropertyGroup(
string.Format(CultureInfo.InvariantCulture, "{0}.{1}", PropertyTriggerListenerPrefix, triggerListenerNames[i]), true);
string listenerType = lp[PropertyListenerType] == null ? null : lp[PropertyListenerType];
if (listenerType == null)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "TriggerListener type not specified for listener '{0}'",
triggerListenerNames[i]),
SchedulerException.ErrorBadConfiguration);
throw initException;
}
ITriggerListener listener;
try
{
listener = (ITriggerListener) ObjectUtils.InstantiateType(loadHelper.LoadType(listenerType));
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "TriggerListener of type '{0}' could not be instantiated.", listenerType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
try
{
MethodInfo nameSetter =
listener.GetType().GetMethod("setName", (strArg == null) ? new Type[0] : strArg);
if (nameSetter != null)
{
nameSetter.Invoke(listener, (new object[] {triggerListenerNames[i]}));
}
ObjectUtils.SetObjectProperties(listener, lp);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "TriggerListener '{0}' props could not be configured.", listenerType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
triggerListeners[i] = listener;
}
// Get exporter
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string exporterType = cfg.GetStringProperty(PropertySchedulerExporterType, null);
if (exporterType != null)
{
try
{
exporter = (ISchedulerExporter)ObjectUtils.InstantiateType(loadHelper.LoadType(exporterType));
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "Scheduler exporter of type '{0}' could not be instantiated.", exporterType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
tProps = cfg.GetPropertyGroup(PropertySchedulerExporterPrefix, true);
try
{
ObjectUtils.SetObjectProperties(exporter, tProps);
}
catch (Exception e)
{
initException =
new SchedulerException(
string.Format(CultureInfo.InvariantCulture, "Scheduler exporter type '{0}' props could not be configured.", exporterType), e);
initException.ErrorCode = SchedulerException.ErrorBadConfiguration;
throw initException;
}
}
// Fire everything up
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
IJobRunShellFactory jrsf = new StdJobRunShellFactory();
if (autoId)
{
try
{
schedInstId = DefaultInstanceId;
if (js is JobStoreSupport)
{
if (((JobStoreSupport) js).Clustered)
{
schedInstId = instanceIdGenerator.GenerateInstanceId();
}
}
}
catch (Exception e)
{
Log.Error("Couldn't generate instance Id!", e);
throw new SystemException("Cannot run without an instance id.");
}
}
if (js is JobStoreSupport)
{
JobStoreSupport jjs = (JobStoreSupport) js;
jjs.InstanceId = schedInstId;
jjs.DbRetryInterval = dbFailureRetry;
}
SchedulerSchedulerResources rsrcs = new SchedulerSchedulerResources();
rsrcs.Name = schedName;
rsrcs.ThreadName = threadName;
rsrcs.InstanceId = schedInstId;
rsrcs.JobRunShellFactory = jrsf;
rsrcs.MakeSchedulerThreadDaemon = makeSchedulerThreadDaemon;
rsrcs.ThreadPool = tp;
rsrcs.SchedulerExporter = exporter;
if (tp is SimpleThreadPool)
{
((SimpleThreadPool) tp).ThreadNamePrefix = schedName + "_Worker";
}
tp.Initialize();
rsrcs.JobStore = js;
// add plugins
for (int i = 0; i < plugins.Length; i++)
{
rsrcs.AddSchedulerPlugin(plugins[i]);
}
schedCtxt = new SchedulingContext();
schedCtxt.InstanceId = rsrcs.InstanceId;
qs = new SchedulerScheduler(rsrcs, schedCtxt, idleWaitTime, dbFailureRetry);
// Create Scheduler ref...
IScheduler sched = Instantiate(rsrcs, qs);
// set job factory if specified
if (jobFactory != null)
{
qs.JobFactory = jobFactory;
}
// Initialize plugins now that we have a Scheduler instance.
for (int i = 0; i < plugins.Length; i++)
{
plugins[i].Initialize(pluginNames[i], sched);
}
// add listeners
for (int i = 0; i < jobListeners.Length; i++)
{
qs.AddGlobalJobListener(jobListeners[i]);
}
for (int i = 0; i < triggerListeners.Length; i++)
{
qs.AddGlobalTriggerListener(triggerListeners[i]);
}
// set scheduler context data...
IEnumerator itr = new HashSet(schedCtxtProps).GetEnumerator();
while (itr.MoveNext())
{
string key = (String) itr.Current;
string val = schedCtxtProps.Get(key);
sched.Context.Put(key, val);
}
// fire up job store, and runshell factory
js.Initialize(loadHelper, qs.SchedulerSignaler);
jrsf.Initialize(sched, schedCtxt);
Log.Info(string.Format(CultureInfo.InvariantCulture, "Scheduler scheduler '{0}' initialized", sched.SchedulerName));
Log.Info(string.Format(CultureInfo.InvariantCulture, "Scheduler scheduler version: {0}", qs.Version));
// prevents the repository from being garbage collected
qs.AddNoGCObject(schedRep);
// prevents the db manager from being garbage collected
if (dbMgr != null)
{
qs.AddNoGCObject(dbMgr);
}
schedRep.Bind(sched);
return sched;
}
