/// <summary>
/// Initializes private members to their default values.
/// </summary>
private void InitializeMembers()
{
this.userGuid = Guid.Empty;
this.userName = null;
this.jobGuid = Guid.Empty;
this.jobID = null;
this.contextGuid = Guid.NewGuid();
this.isValid = true;
this.showHidden = false;
this.showDeleted = false;
this.connectionString = null;
this.connectionMode = Registry.ConnectionMode.None;
this.transactionMode = Registry.TransactionMode.None;
this.databaseConnection = null;
this.databaseTransaction = null;
this.activity = null;
this.eventOrder = 0;
this.clusterProperty = new EntityProperty <Cluster>(this);
this.domainProperty = new EntityProperty <Domain>(this);
this.federationProperty = new EntityProperty <Federation>(this);
}
internal Context(IGraywulfActivity activity, CodeActivityContext activityContext)
{
InitializeMembers();
// Get job info from the scheduler
var scheduler = activityContext.GetExtension<IScheduler>();
if (scheduler != null)
{
Guid jobguid, userguid;
string jobid, username;
scheduler.GetContextInfo(
activityContext.WorkflowInstanceId,
out userguid, out username,
out jobguid, out jobid);
this.userGuid = userguid;
this.userName = username;
this.jobGuid = jobguid;
this.jobID = jobid;
this.contextGuid = activityContext.WorkflowInstanceId;
this.activityContext = activityContext;
this.activity = activity;
}
}
/// <summary>
/// Disposes the context and commits the SQL transaction, closes the connection.
/// </summary>
public void Dispose()
{
if (activity != null)
{
activity = null;
}
if (databaseTransaction != null)
{
switch (transactionMode)
{
case Registry.TransactionMode.None:
break;
case Registry.TransactionMode.AutoCommit:
CommitTransaction();
break;
case Registry.TransactionMode.DirtyRead:
case Registry.TransactionMode.ManualCommit:
RollbackTransaction();
break;
default:
throw new NotImplementedException();
}
}
if (databaseConnection != null)
{
CloseConnection();
}
isValid = false;
}
internal Context(IGraywulfActivity activity, CodeActivityContext activityContext)
{
InitializeMembers();
// Get job info from the scheduler
var scheduler = activityContext.GetExtension <IScheduler>();
if (scheduler != null)
{
Guid jobguid, userguid;
string jobid, username;
scheduler.GetContextInfo(
activityContext.WorkflowInstanceId,
out userguid, out username,
out jobguid, out jobid);
this.userGuid = userguid;
this.userName = username;
this.jobGuid = jobguid;
this.jobID = jobid;
this.contextGuid = activityContext.WorkflowInstanceId;
this.activityContext = activityContext;
this.activity = activity;
}
}
public Context CreateContext(IGraywulfActivity activity, CodeActivityContext activityContext, ConnectionMode connectionMode, TransactionMode transactionMode)
{
var context = new Context(activity, activityContext)
{
ConnectionString = connectionString,
ConnectionMode = connectionMode,
TransactionMode = transactionMode,
};
return(context);
}
/// <summary>
/// Returnes a new registry context when in Graywulf execution mode.
/// </summary>
/// <param name="activity"></param>
/// <param name="activityContext"></param>
/// <param name="connectionMode"></param>
/// <param name="transactionMode"></param>
/// <returns></returns>
public Jhu.Graywulf.Registry.Context CreateContext(IGraywulfActivity activity, System.Activities.CodeActivityContext activityContext, Jhu.Graywulf.Registry.ConnectionMode connectionMode, Jhu.Graywulf.Registry.TransactionMode transactionMode)
{
switch (executionMode)
{
case Query.ExecutionMode.SingleServer:
return(null);
case Query.ExecutionMode.Graywulf:
return(Jhu.Graywulf.Registry.ContextManager.Instance.CreateContext(activity, activityContext, connectionMode, transactionMode));
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Initializes private members to their default values.
/// </summary>
private void InitializeMembers()
{
this.userGuid = Guid.Empty;
this.userName = null;
this.jobGuid = Guid.Empty;
this.jobID = null;
this.contextGuid = Guid.NewGuid();
this.isValid = true;
this.showHidden = false;
this.showDeleted = false;
this.connectionString = null;
this.connectionMode = Registry.ConnectionMode.None;
this.transactionMode = Registry.TransactionMode.None;
this.databaseConnection = null;
this.databaseTransaction = null;
this.activity = null;
this.eventOrder = 0;
this.clusterProperty = new EntityProperty<Cluster>(this);
this.domainProperty = new EntityProperty<Domain>(this);
this.federationProperty = new EntityProperty<Federation>(this);
}
/// <summary>
/// Disposes the context and commits the SQL transaction, closes the connection.
/// </summary>
public void Dispose()
{
if (activity != null)
{
activity = null;
}
if (databaseTransaction != null)
{
switch (transactionMode)
{
case Registry.TransactionMode.None:
break;
case Registry.TransactionMode.AutoCommit:
CommitTransaction();
break;
case Registry.TransactionMode.DirtyRead:
case Registry.TransactionMode.ManualCommit:
RollbackTransaction();
break;
default:
throw new NotImplementedException();
}
}
if (databaseConnection != null)
{
CloseConnection();
}
isValid = false;
}
public Context CreateContext(IGraywulfActivity activity, CodeActivityContext activityContext, ConnectionMode connectionMode, TransactionMode transactionMode)
{
var context = new Context(activity, activityContext)
{
ConnectionString = connectionString,
ConnectionMode = connectionMode,
TransactionMode = transactionMode,
};
return context;
}
/// <summary>
/// Initializes private members to their default values.
/// </summary>
private void InitializeMembers()
{
this.userGuid = Guid.Empty;
this.userName = null;
this.jobGuid = Guid.Empty;
this.jobID = null;
this.contextGuid = Guid.NewGuid();
this.isValid = true;
this.showHidden = false;
this.showDeleted = false;
this.connectionString = null;
this.connectionMode = Registry.ConnectionMode.None;
this.transactionMode = Registry.TransactionMode.None;
this.databaseConnection = null;
this.databaseTransaction = null;
this.activity = null;
this.eventOrder = 0;
}
public Jhu.Graywulf.Registry.Context CreateContext(IGraywulfActivity activity, System.Activities.CodeActivityContext activityContext, Jhu.Graywulf.Registry.ConnectionMode connectionMode, Jhu.Graywulf.Registry.TransactionMode transactionMode)
{
switch (executionMode)
{
case Query.ExecutionMode.SingleServer:
return null;
case Query.ExecutionMode.Graywulf:
return Jhu.Graywulf.Registry.ContextManager.Instance.CreateContext(activity, activityContext, connectionMode, transactionMode);
default:
throw new NotImplementedException();
}
}
