public IEnumerable <JobInstance> FindJobInstances(Guid userGuid, Guid queueInstanceGuid, HashSet <Guid> jobDefinitionGuids, JobExecutionState jobExecutionStatus)
{
string sql = "spFindJobInstance_byDetails";
using (SqlCommand cmd = Context.CreateStoredProcedureCommand(sql))
{
cmd.Parameters.Add("@UserGuid", SqlDbType.UniqueIdentifier).Value = Context.UserGuid;
cmd.Parameters.Add("@ShowHidden", SqlDbType.Bit).Value = Context.ShowHidden;
cmd.Parameters.Add("@ShowDeleted", SqlDbType.Bit).Value = Context.ShowDeleted;
cmd.Parameters.Add("@From", SqlDbType.Int).Value = DBNull.Value;
cmd.Parameters.Add("@Max", SqlDbType.Int).Value = DBNull.Value;
cmd.Parameters.Add("@RowCount", SqlDbType.Int).Direction = ParameterDirection.Output;
cmd.Parameters.Add("@JobUserGuid", SqlDbType.UniqueIdentifier).Value = userGuid == Guid.Empty ? DBNull.Value : (object)userGuid;
cmd.Parameters.Add("@QueueInstanceGuid", SqlDbType.UniqueIdentifier).Value = queueInstanceGuid == Guid.Empty ? DBNull.Value : (object)queueInstanceGuid;
cmd.Parameters.Add("@JobDefinitionGuids", SqlDbType.Structured).Value = CreateGuidListTable(jobDefinitionGuids);
cmd.Parameters.Add("@JobExecutionStatus", SqlDbType.Int).Value = jobExecutionStatus;
using (SqlDataReader dr = cmd.ExecuteReader())
{
while (dr.Read())
{
JobInstance item = new JobInstance(Context);
item.LoadFromDataReader(dr);
yield return(item);
}
dr.Close();
}
}
}
public JobInstance CreateJobInstance(string queueName, ScheduleType scheduleType)
{
JobInstance job = new JobInstance(Context);
job.Name = GenerateJobID();
// TODO: delete if works job.JobDefinitionReference.Name = GetFullyQualifiedName();
job.JobDefinition = this;
job.ParentReference.Name = queueName;
job.WorkflowTypeName = this.workflowTypeName;
job.JobExecutionStatus = Jhu.Graywulf.Registry.JobExecutionState.Scheduled;
job.ScheduleType = scheduleType;
// Create workflow parameters
var rh = JobReflectionHelper.CreateInstance(this.workflowTypeName);
foreach (JobDefinitionParameter par in rh.GetParameters().Values)
{
job.Parameters.Add(par.Name, new JobInstanceParameter()
{
Name = par.Name,
Direction = par.Direction,
});
}
return(job);
}
private void RenderResults(JobInstance ji)
{
var q = (QueryBase)ji.Parameters["Query"].Value;
var codegen = new SqlServerCodeGenerator();
string sql = codegen.GenerateSelectStarQuery(q.Destination.GetTable(), 100);
using (var cn = new SqlConnection())
{
cn.ConnectionString = MyDBDataset.ConnectionString;
cn.Open();
using (var cmd = cn.CreateCommand())
{
cmd.CommandText = sql;
cmd.CommandType = CommandType.Text;
using (var dr = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
{
RenderTable(dr);
}
}
}
}
/// <summary>
/// Reschedules the job instance if it's a recurring job.
/// </summary>
/// <returns>The new job instance that is in the queue now.</returns>
/// <remarks>
/// The completed job is marked as completed and is stored for reference, so a new
/// job instance is created with updated properties.
/// </remarks>
public JobInstance RescheduleIfRecurring()
{
if ((jobExecutionStatus == Registry.JobExecutionState.Completed ||
jobExecutionStatus == Registry.JobExecutionState.Failed ||
jobExecutionStatus == Registry.JobExecutionState.Cancelled) &&
scheduleType == ScheduleType.Recurring)
{
// Create a copy first
JobInstance newjob = new JobInstance(this);
// Reset properties
newjob.Guid = Guid.Empty;
newjob.Name = GenerateRecurringJobID();
newjob.dateStarted = DateTime.MinValue;
newjob.dateFinished = DateTime.MinValue;
newjob.JobExecutionStatus = JobExecutionState.Scheduled;
newjob.ScheduleTime = GetNextScheduleTime();
newjob.workflowInstanceId = Guid.Empty;
newjob.adminRequestTime = DateTime.MinValue;
newjob.adminRequestData = null;
newjob.adminRequestResult = -1;
newjob.exceptionMessage = null;
// Save new job
newjob.Save();
return(newjob);
}
else
{
return(null);
}
}
protected void RenderOutput()
{
Response.Expires = -1;
try
{
var ji = new JobInstance(RegistryContext);
ji.Guid = LastQueryJobGuid;
ji.Load();
switch (ji.JobExecutionStatus)
{
case JobExecutionState.Completed:
RenderResults(ji);
break;
case JobExecutionState.Scheduled:
case JobExecutionState.Starting:
case JobExecutionState.Executing:
RenderExecuting();
break;
default:
RenderFailed(ji);
break;
}
}
catch (Exception ex)
{
RenderException(ex);
}
}
public IEnumerable<JobInstance> FindJobInstances(Guid userGuid, Guid queueInstanceGuid, HashSet<Guid> jobDefinitionGuids, JobExecutionState jobExecutionStatus)
{
string sql = "spFindJobInstance_byDetails";
using (SqlCommand cmd = Context.CreateStoredProcedureCommand(sql))
{
cmd.Parameters.Add("@UserGuid", SqlDbType.UniqueIdentifier).Value = Context.UserGuid;
cmd.Parameters.Add("@ShowHidden", SqlDbType.Bit).Value = Context.ShowHidden;
cmd.Parameters.Add("@ShowDeleted", SqlDbType.Bit).Value = Context.ShowDeleted;
cmd.Parameters.Add("@From", SqlDbType.Int).Value = DBNull.Value;
cmd.Parameters.Add("@Max", SqlDbType.Int).Value = DBNull.Value;
cmd.Parameters.Add("@RowCount", SqlDbType.Int).Direction = ParameterDirection.Output;
cmd.Parameters.Add("@JobUserGuid", SqlDbType.UniqueIdentifier).Value = userGuid == Guid.Empty ? DBNull.Value : (object)userGuid;
cmd.Parameters.Add("@QueueInstanceGuid", SqlDbType.UniqueIdentifier).Value = queueInstanceGuid == Guid.Empty ? DBNull.Value : (object)queueInstanceGuid;
cmd.Parameters.Add("@JobDefinitionGuids", SqlDbType.Structured).Value = CreateGuidListTable(jobDefinitionGuids);
cmd.Parameters.Add("@JobExecutionStatus", SqlDbType.Int).Value = jobExecutionStatus;
using (SqlDataReader dr = cmd.ExecuteReader())
{
while (dr.Read())
{
JobInstance item = new JobInstance(Context);
item.LoadFromDataReader(dr);
yield return item;
}
dr.Close();
}
}
}
protected void CancelJob(Guid guid)
{
using (var context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
var job = new JobInstance(context);
job.Guid = guid;
job.Load();
job.Cancel();
}
}
private void LoadJob()
{
job = new JobInstance(RegistryContext);
job.Guid = guid;
job.Load();
// Check user ID
if (job.UserGuidOwner != UserGuid)
{
throw new Registry.SecurityException("Access denied.");
}
// Get query details
qj = JobDescriptionFactory.GetJob(job, QueryFactory);
}
private void LoadJob()
{
job = new JobInstance(RegistryContext);
job.Guid = guid;
job.Load();
// Check user ID
if (IsAuthenticatedUser(job.UserGuidOwner))
{
throw new Registry.SecurityException("Access denied."); // TODO
}
// Get query details
ej = JobDescriptionFactory.GetJobDescription(job);
}
protected void Page_Load(object sender, EventArgs e)
{
if (filter.UserGuid != Guid.Empty)
{
user = new Registry.User(((PageBase)Page).RegistryContext);
user.Guid = filter.UserGuid;
user.Load();
linkUser.EntityReference.Value = user;
linkUser.Visible = true;
}
else
{
linkUser.Visible = false;
}
if (filter.JobGuid != Guid.Empty)
{
job = new JobInstance(((PageBase)Page).RegistryContext);
job.Guid = filter.JobGuid;
job.Load();
linkJob.EntityReference.Value = job;
linkJob.Visible = true;
}
else
{
linkJob.Visible = false;
}
if (filter.EntityGuid != Guid.Empty)
{
entity = new Entity(((PageBase)Page).RegistryContext);
entity.Guid = filter.EntityGuid;
entity.Load();
linkEntity.EntityReference.Value = entity;
linkEntity.Visible = true;
}
else
{
linkEntity.Visible = false;
}
}
/// <summary>
/// Creates a deep copy of the passed object.
/// </summary>
/// <param name="old">A <b>Database Definition</b> object to create the deep copy from.</param>
private void CopyMembers(JobInstance old)
{
this.workflowTypeName = old.workflowTypeName;
this.dateStarted = old.dateStarted;
this.dateFinished = old.dateFinished;
this.jobExecutionStatus = old.jobExecutionStatus;
this.suspendTimeout = old.suspendTimeout;
this.scheduleType = old.scheduleType;
this.scheduleTime = old.scheduleTime;
this.recurringPeriod = old.recurringPeriod;
this.recurringInterval = old.recurringInterval;
this.recurringMask = old.recurringMask;
this.workflowInstanceId = old.workflowInstanceId;
this.adminRequestTime = old.adminRequestTime;
this.adminRequestData = old.adminRequestData == null ? null : new JobAdminRequestData(old.adminRequestData);
this.adminRequestResult = old.adminRequestResult;
this.exceptionMessage = old.exceptionMessage;
this.parameters = new ParameterCollection(old.parameters);
}
private void RedirectToDetails(Guid guid)
{
var job = new JobInstance(RegistryContext);
job.Guid = guid;
job.Load();
var wjob = JobDescriptionFactory.GetJob(job, QueryFactory);
switch (wjob.JobType)
{
case JobType.Query:
Response.Redirect(QueryJobDetails.GetUrl(guid));
break;
case JobType.ExportTable:
Response.Redirect(ExportJobDetails.GetUrl(guid));
break;
default:
throw new NotImplementedException();
}
}
private void LoadJobs()
{
jobs = new List<JobInstance>();
foreach (var guid in guids)
{
var job = new JobInstance(RegistryContext);
job.Guid = guid;
job.Load();
if (job.UserGuidOwner != UserGuid)
{
throw new System.Security.SecurityException("Access denied."); // TODO
}
if (job.CanCancel)
{
jobs.Add(job);
}
}
}
protected void Button_Command(object sender, CommandEventArgs e)
{
if (IsValid)
{
var guid = new Guid(JobList.SelectedDataKeys.First());
var guids = JobList.SelectedDataKeys.Select(i => new Guid(i)).ToArray();
switch (e.CommandName)
{
case "Download":
var job = new JobInstance(RegistryContext);
job.Guid = guid;
job.Load();
if (job.JobExecutionStatus == JobExecutionState.Completed)
{
// Get query details
var ej = JobDescriptionFactory.GetJob(job, QueryFactory);
Response.Redirect(GetExportUrl(ej));
}
else
{
JobNotCompleteValidator.IsValid = false;
}
break;
case "View":
Response.Redirect(Jhu.Graywulf.Web.UI.Jobs.ExportJobDetails.GetUrl(guid));
break;
case "Cancel":
Response.Redirect(Jhu.Graywulf.Web.UI.Jobs.CancelJob.GetUrl(guids));
break;
default:
throw new NotImplementedException();
}
}
}
/// <summary>
/// Gets the next available job from the queue.
/// </summary>
/// <returns>The next available job or null if there are no queued jobs.</returns>
public JobInstance GetNextJobInstance()
{
string sql = "spFindJobInstance_Next";
using (SqlCommand cmd = Context.CreateStoredProcedureCommand(sql))
{
cmd.Parameters.Add("@UserGuid", SqlDbType.UniqueIdentifier).Value = Context.UserGuid;
cmd.Parameters.Add("@QueueInstanceGuid", SqlDbType.UniqueIdentifier).Value = this.Guid;
cmd.Parameters.Add("@JobInstanceGuid", SqlDbType.UniqueIdentifier).Direction = ParameterDirection.Output;
cmd.ExecuteNonQuery();
if (cmd.Parameters["@JobInstanceGuid"].Value != DBNull.Value)
{
JobInstance j = new JobInstance(Context);
j.Guid = (Guid)cmd.Parameters["@JobInstanceGuid"].Value;
j.Load();
return(j);
}
}
return(null);
}
/// <summary>
/// Gets the next available job from the queue.
/// </summary>
/// <returns>The next available job or null if there are no queued jobs.</returns>
public JobInstance GetNextJobInstance()
{
string sql = "spFindJobInstance_Next";
using (SqlCommand cmd = Context.CreateStoredProcedureCommand(sql))
{
cmd.Parameters.Add("@UserGuid", SqlDbType.UniqueIdentifier).Value = Context.UserGuid;
cmd.Parameters.Add("@QueueInstanceGuid", SqlDbType.UniqueIdentifier).Value = this.Guid;
cmd.Parameters.Add("@JobInstanceGuid", SqlDbType.UniqueIdentifier).Direction = ParameterDirection.Output;
cmd.ExecuteNonQuery();
if (cmd.Parameters["@JobInstanceGuid"].Value != DBNull.Value)
{
JobInstance j = new JobInstance(Context);
j.Guid = (Guid)cmd.Parameters["@JobInstanceGuid"].Value;
j.Load();
return j;
}
}
return null;
}
private void CancelOrTimeOutJob(Job job, bool timeout)
{
using (Context context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
context.JobGuid = job.Guid;
context.ContextGuid = contextGuid;
var ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
// Update registry
ji.JobExecutionStatus = JobExecutionState.Cancelling;
ji.Save();
}
// Update job status
if (timeout)
{
job.Status = JobStatus.TimedOut;
appDomains[job.AppDomainID].TimeOutJob(job);
}
else
{
job.Status = JobStatus.Cancelled;
appDomains[job.AppDomainID].CancelJob(job);
}
}
protected JobInstance LoadJob(Guid guid)
{
using (var context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.DirtyRead))
{
var job = new JobInstance(context);
job.Guid = guid;
job.Load();
job.LoadParameters();
return job;
}
}
/// <summary>
/// Copy contructor for doing deep copy of the <b>Database Definition</b> objects.
/// </summary>
/// <param name="old">The <b>Database Definition</b> to copy from.</param>
public JobInstance(JobInstance old)
: base(old)
{
CopyMembers(old);
}
/// <summary>
/// Creates a deep copy of the passed object.
/// </summary>
/// <param name="old">A <b>Database Definition</b> object to create the deep copy from.</param>
private void CopyMembers(JobInstance old)
{
this.workflowTypeName = old.workflowTypeName;
this.dateStarted = old.dateStarted;
this.dateFinished = old.dateFinished;
this.jobExecutionStatus = old.jobExecutionStatus;
this.suspendTimeout = old.suspendTimeout;
this.scheduleType = old.scheduleType;
this.scheduleTime = old.scheduleTime;
this.recurringPeriod = old.recurringPeriod;
this.recurringInterval = old.recurringInterval;
this.recurringMask = old.recurringMask;
this.workflowInstanceId = old.workflowInstanceId;
this.adminRequestTime = old.adminRequestTime;
this.adminRequestData = old.adminRequestData == null ? null : new JobAdminRequestData(old.adminRequestData);
this.adminRequestResult = old.adminRequestResult;
this.exceptionMessage = old.exceptionMessage;
// TODO: do deep copy here?
this.parameters = new Dictionary<string, JobParameter>(old.parameters);
this.checkpoints = new List<JobCheckpoint>(old.checkpoints);
}
/// <summary>
/// Reschedules the job instance if it's a recurring job.
/// </summary>
/// <returns>The new job instance that is in the queue now.</returns>
/// <remarks>
/// The completed job is marked as completed and is stored for reference, so a new
/// job instance is created with updated properties.
/// </remarks>
public JobInstance RescheduleIfRecurring()
{
if ((jobExecutionStatus == Registry.JobExecutionState.Completed ||
jobExecutionStatus == Registry.JobExecutionState.Failed ||
jobExecutionStatus == Registry.JobExecutionState.Cancelled)
&& scheduleType == ScheduleType.Recurring)
{
// Create a copy first
JobInstance newjob = new JobInstance(this);
// Reset properties
newjob.Guid = Guid.Empty;
newjob.Name = GenerateRecurringJobID();
newjob.dateStarted = DateTime.MinValue;
newjob.dateFinished = DateTime.MinValue;
newjob.JobExecutionStatus = JobExecutionState.Scheduled;
newjob.ScheduleTime = GetNextScheduleTime();
newjob.workflowInstanceId = Guid.Empty;
newjob.adminRequestTime = DateTime.MinValue;
newjob.adminRequestData = null;
newjob.adminRequestResult = -1;
newjob.exceptionMessage = null;
// Save new job
newjob.Save();
return newjob;
}
else
{
return null;
}
}
private static void GetQueryJobDescription(JobInstance job, JobDescription jobDescription)
{
jobDescription.JobType = JobType.Query;
// debug code
if (job.Parameters.ContainsKey("Query"))
{
var xml = new XmlDocument();
xml.LoadXml(job.Parameters["Query"].XmlValue);
jobDescription.Query = GetXmlInnerText(xml, "Query/QueryString");
jobDescription.SchemaName = GetXmlInnerText(xml, "Query/Destination/SchemaName");
jobDescription.ObjectName = GetXmlInnerText(xml, "Query/Destination/TableName");
}
else
{
// This is probably a wrong job in the database
}
}
/// <summary>
/// Starts a single job
/// </summary>
/// <param name="job"></param>
private void StartOrResumeJob(Job job)
{
AppDomainHost adh = null;
using (Context context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
context.JobGuid = job.Guid;
context.ContextGuid = contextGuid;
JobInstance ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
// Lock the job, so noone else can pick it up
ji.DateStarted = DateTime.Now;
ji.ObtainLock();
ji.Save();
}
// Schedule job in the appropriate app domain
adh = GetOrCreateAppDomainHost(job);
// Check if job is a new instance or previously persisted and
// has to be resumed
switch (job.Status)
{
case JobStatus.Starting:
if (interactive)
{
Console.WriteLine("Starting job: {0}", job.Guid);
}
job.WorkflowInstanceId = adh.PrepareStartJob(job);
break;
case JobStatus.Resuming:
if (interactive)
{
Console.WriteLine("Resuming job: {0}", job.Guid);
}
job.WorkflowInstanceId = adh.PrepareResumeJob(job);
break;
default:
throw new NotImplementedException();
}
// Update job status
job.TimeStarted = DateTime.Now;
job.Status = JobStatus.Executing;
job.AppDomainID = adh.ID;
// TODO: this has to happen before starting the job
lock (runningJobs)
{
runningJobs.Add(job.WorkflowInstanceId, job);
}
adh.RunJob(job);
}
protected void Ok_Click(object sender, EventArgs e)
{
string templatefile;
Exception ex = null;
long eventid = 0;
if (mode == Mode.Error && Session[Constants.SessionException] != null)
{
ex = (Exception)Session[Constants.SessionException];
eventid = (long)Session[Constants.SessionExceptionEventID];
templatefile = "~/Templates/ErrorFeedbackEmail.xml";
}
else if (mode == Mode.JobError)
{
templatefile = "~/Templates/ErrorFeedbackEmail.xml";
}
else
{
templatefile = "~/Templates/FeedbackEmail.xml";
}
var template = File.ReadAllText(MapPath(templatefile));
string subject;
string body;
EmailTemplateUtility.LoadEmailTemplate(template, out subject, out body);
EmailTemplateUtility.ReplaceEmailToken(ref subject, "[$ShortTitle]", Federation.ShortTitle);
EmailTemplateUtility.ReplaceEmailToken(ref subject, "[$Subject]", Subject.Text);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$ShortTitle]", Federation.ShortTitle);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$Name]", Name.Text);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$Email]", Email.Text);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$Subject]", Subject.Text);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$Comments]", Comments.Text);
if (mode == Mode.Error && Session[Constants.SessionException] != null)
{
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$ErrorMessage]", ex.Message);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$JobGUID]", "-");
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$EventID]", eventid.ToString());
}
else if (mode == Mode.JobError)
{
var job = new JobInstance(RegistryContext);
job.Guid = jobGuid;
job.Load();
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$ErrorMessage]", job.ExceptionMessage);
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$JobGUID]", job.Guid.ToString());
EmailTemplateUtility.ReplaceEmailToken(ref body, "[$EventID]", "-");
}
var msg = EmailTemplateUtility.CreateMessage(
Federation.Email, Federation.ShortTitle,
Federation.Email, Federation.ShortTitle,
subject, body);
// Append stack trace
if (mode == Mode.Error && Session[Constants.SessionException] != null)
{
System.Net.Mail.Attachment att;
using (var mem = new MemoryStream(Encoding.UTF8.GetBytes(new HttpUnhandledException(ex.Message, ex).GetHtmlErrorMessage())))
{
att = new System.Net.Mail.Attachment(mem, "error.html");
msg.Attachments.Add(att);
EmailTemplateUtility.SendMessage(msg);
}
}
else
{
EmailTemplateUtility.SendMessage(msg);
}
FeedbackForm.Visible = false;
SuccessForm.Visible = true;
}
private void RenderFailed(JobInstance ji)
{
Response.Output.WriteLine("<p>An exception occured: {0}</p>", ji.ExceptionMessage);
}
public static JobDescription GetJob(JobInstance job, QueryFactory queryFactory)
{
// In this function, we don't directly deserialize query parameters because
// that could break old job definitions once the job format changes. It's
// save to read parameters from the xml representation directly.
var res = new JobDescription();
res.Job = job;
if (queryJobDefinitions.ContainsKey(job.JobDefinitionReference.Guid))
{
res.JobType = JobType.Query;
// debug code
if (job.Parameters.ContainsKey("Query"))
{
var xml = new XmlDocument();
xml.LoadXml(job.Parameters["Query"].XmlValue);
res.Query = GetXmlInnerText(xml, "Query/QueryString");
res.SchemaName = GetXmlInnerText(xml, "Query/Destination/Table/SchemaName");
res.ObjectName = GetXmlInnerText(xml, "Query/Destination/Table/ObjectName");
}
else
{
// This is probably a wrong job in the database
}
}
else if (exportJobDefinitions.ContainsKey(job.JobDefinitionReference.Guid))
{
res.JobType = JobType.ExportTable;
if (job.Parameters.ContainsKey("Parameters"))
{
var xml = new XmlDocument();
xml.LoadXml(job.Parameters["Parameters"].XmlValue);
res.SchemaName = GetXmlInnerText(xml, "ExportTable/Source/SchemaName");
res.ObjectName = GetXmlInnerText(xml, "ExportTable/Source/ObjectName");
res.Path = GetXmlInnerText(xml, "ExportTable/Destination/Path");
}
}
else
{
res.JobType = JobType.Unknown;
}
return res;
}
private JobInstance LoadJobInstance(Context context, Job job)
{
var ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
return ji;
}
public static JobDescription GetJobDescription(JobInstance job)
{
// In this function, we don't directly deserialize query parameters because
// that could break old job definitions once the job format changes. It's
// save to read parameters from the xml representation directly.
var jobDescription = new JobDescription();
jobDescription.Job = job;
try
{
if (queryJobDefinitions.ContainsKey(job.JobDefinitionReference.Guid))
{
GetQueryJobDescription(job, jobDescription);
}
else if (exportJobDefinitions.ContainsKey(job.JobDefinitionReference.Guid))
{
GetExportJobDescription(job, jobDescription);
}
else
{
jobDescription.JobType = JobType.Unknown;
}
}
catch (Exception)
{
jobDescription.JobType = JobType.Unknown;
}
return jobDescription;
}
/// <summary>
/// Finished the execution of a job and records the results in the registry.
/// </summary>
/// <param name="workflowInstanceId"></param>
/// <param name="eventType"></param>
private void FinishJob(Job job, HostEventArgs e)
{
using (Context context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
context.JobGuid = job.Guid;
context.ContextGuid = contextGuid;
JobInstance ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
// Update execution status, error message and finish time
switch (e.EventType)
{
case WorkflowEventType.Completed:
ji.JobExecutionStatus = JobExecutionState.Completed;
break;
case WorkflowEventType.Cancelled:
ji.JobExecutionStatus = JobExecutionState.Cancelled;
break;
case WorkflowEventType.TimedOut:
ji.JobExecutionStatus = JobExecutionState.TimedOut;
break;
case WorkflowEventType.Persisted:
ji.JobExecutionStatus = JobExecutionState.Persisted;
break;
case WorkflowEventType.Failed:
ji.JobExecutionStatus = JobExecutionState.Failed;
ji.ExceptionMessage = e.ExceptionMessage;
break;
}
// Update registry
ji.DateFinished = DateTime.Now;
ji.Save();
ji.ReleaseLock(false);
ji.RescheduleIfRecurring();
// Do local bookkeeping
lock (runningJobs)
{
lock (Cluster.Queues[job.QueueGuid].Jobs)
{
Cluster.Queues[job.QueueGuid].Jobs.Remove(job.Guid);
}
runningJobs.Remove(job.WorkflowInstanceId);
}
if (interactive)
{
Console.WriteLine("Finishing job: {0}", ji.Guid);
}
}
}
public JobInstance CreateJobInstance(string queueName, ScheduleType scheduleType)
{
JobInstance job = new JobInstance(Context);
job.Name = GenerateJobID();
job.JobDefinitionReference.Name = GetFullyQualifiedName();
job.ParentReference.Name = queueName;
job.WorkflowTypeName = this.workflowTypeName;
job.JobExecutionStatus = Jhu.Graywulf.Registry.JobExecutionState.Scheduled;
job.ScheduleType = scheduleType;
// Create workflow parameters
var rh = JobReflectionHelper.CreateInstance(this.workflowTypeName);
foreach (var par in rh.GetParameters().Values)
{
job.Parameters.Add(par.Name, new JobParameter(par));
}
return job;
}
private void PersistJob(Job job)
{
using (Context context = ContextManager.Instance.CreateContext(ConnectionMode.AutoOpen, TransactionMode.AutoCommit))
{
context.JobGuid = job.Guid;
context.ContextGuid = contextGuid;
var ji = new JobInstance(context);
ji.Guid = job.Guid;
ji.Load();
// Update registry
ji.JobExecutionStatus = JobExecutionState.Persisting;
ji.Save();
}
// Update job status
job.Status = JobStatus.Persisted;
appDomains[job.AppDomainID].PersistJob(job);
}
/// <summary>
/// Copy contructor for doing deep copy of the <b>Database Definition</b> objects.
/// </summary>
/// <param name="old">The <b>Database Definition</b> to copy from.</param>
public JobInstance(JobInstance old)
: base(old)
{
CopyMembers(old);
}
private void InitializeMembers()
{
this.job = null;
this.jobType = JobType.Unknown;
this.query = null;
this.schemaName = null;
this.objectName = null;
this.path = null;
}
private static void GetExportJobDescription(JobInstance job, JobDescription jobDescription)
{
jobDescription.JobType = JobType.ExportTable;
if (job.Parameters.ContainsKey("Parameters"))
{
var xml = new XmlDocument();
xml.LoadXml(job.Parameters["Parameters"].XmlValue);
jobDescription.SchemaName = GetXmlInnerText(xml, "ExportTables/Sources/TableOrView/SchemaName");
jobDescription.ObjectName = GetXmlInnerText(xml, "ExportTables/Sources/TableOrView/ObjectName");
jobDescription.Path = GetXmlInnerText(xml, "ExportTables/Destinations/DataFileBase/Uri");
}
}
