/// <summary>
/// Builds the DbCommand to delete the task dependency(s) for the given taskQueueCode.
/// </summary>
/// <param name="daMgr">DataAccessMgr object</param>
/// <param name="taskQueueItem">Datarow containing the parameter values</param>
/// <param name="deleteAll">Indicates whether or not to delete all dependencies.</param>
/// <returns>DbCommand Object with DbNull Parameter values</returns>
public static DbCommand GetDeleteQueueItemCmd(DataAccessMgr daMgr, DataRow taskQueueItem, bool deleteAll)
{
if (taskQueueItem == null ||
!taskQueueItem.Table.Columns.Contains(TaskProcessing.Constants.TaskQueueCode))
{
throw new ExceptionEvent(enumExceptionEventCodes.NullOrEmptyParameter
, "DataRow (taskQueueItem) containing TaskDependency data was empty");
}
DbTableDmlMgr dmlMgr = daMgr.DbCatalogGetTableDmlMgr(DataAccess.Constants.SCHEMA_CORE
, TaskProcessing.Constants.TaskDependencies);
dmlMgr.SetWhereCondition(w => w.Column(TaskProcessing.Constants.TaskQueueCode)
== w.Parameter(TaskProcessing.Constants.TaskQueueCode));
if (!deleteAll)
{
System.Linq.Expressions.Expression waitTaskExp =
DbPredicate.CreatePredicatePart(w => w.Column(TaskProcessing.Constants.WaitTaskQueueCode)
== w.Parameter(TaskProcessing.Constants.WaitTaskQueueCode));
dmlMgr.AddToWhereCondition(System.Linq.Expressions.ExpressionType.AndAlso, waitTaskExp);
}
DbCommand dbCmd = daMgr.BuildDeleteDbCommand(dmlMgr);
dbCmd.Parameters[daMgr.BuildParamName(TaskProcessing.Constants.TaskQueueCode)].Value
= Convert.ToInt32(taskQueueItem[TaskProcessing.Constants.TaskQueueCode]);
if (!deleteAll)
{
dbCmd.Parameters[daMgr.BuildParamName(TaskProcessing.Constants.WaitTaskQueueCode)].Value
= Convert.ToInt32(taskQueueItem[TaskProcessing.Constants.WaitTaskQueueCode]);
}
return(dbCmd);
}
static DbCommand BuildCmdDelInActiveUserSessionsList(DataAccessMgr daMgr)
{
DbTableDmlMgr dmlDeleteMgr = daMgr.DbCatalogGetTableDmlMgr(DataAccess.Constants.SCHEMA_CORE
, Constants.UserSessions);
string joinTable = dmlDeleteMgr.AddJoin(DataAccess.Constants.SCHEMA_CORE
, Constants.SignonControl, DbTableJoinType.Cross, null);
string dateAdd = daMgr.FormatDateMathSql(EnumDateDiffInterval.Second
, dmlDeleteMgr.AliasedColumn(joinTable, Constants.StatusSeconds),
dmlDeleteMgr.Column(Constants.SessionDateTime));
dmlDeleteMgr.SetWhereCondition(j => j.Function(dateAdd)
< j.Function(daMgr.GetDbTimeAs(EnumDateTimeLocale.UTC, null)));
return(daMgr.BuildDeleteDbCommand(dmlDeleteMgr));
}
/// <summary>
/// Removes the session record for the given session code.
/// </summary>
/// <param name="daMgr">DataAccessMgr object</param>
/// <param name="sessionCode">Unique session code</param>
public static void Signoff(DataAccessMgr daMgr, Int64 sessionCode)
{
DbTableDmlMgr dmlDeleteMgr = daMgr.DbCatalogGetTableDmlMgr(DataAccess.Constants.SCHEMA_CORE
, Constants.UserSessions);
dmlDeleteMgr.SetWhereCondition((j) => j.Column(Constants.SessionCode)
== j.Parameter(dmlDeleteMgr.MainTable.SchemaName
, dmlDeleteMgr.MainTable.TableName
, Constants.SessionCode
, daMgr.BuildParamName(Constants.SessionCode)));
DbCommand cmdDeleteUserSession = daMgr.BuildDeleteDbCommand(dmlDeleteMgr);
cmdDeleteUserSession.Parameters[daMgr.BuildParamName(Constants.SessionCode)].Value = sessionCode;
daMgr.ExecuteNonQuery(cmdDeleteUserSession, null, null);
}
/// <summary>
/// Builds the DbCommand to delete a task queue record for the given taskQueueItem from the
/// TaskProcessingQueue table.
/// </summary>
/// <param name="daMgr">DataAccessMgr object</param>
/// <param name="taskQueueItem">Unique Identifier of the TaskProcessingQueue record to delete</param>
/// <returns>DbCommand Object with given Parameter values</returns>
public static DbCommand GetDeleteQueueItemCmd(DataAccessMgr daMgr, DataRow taskQueueItem)
{
if (taskQueueItem == null ||
!taskQueueItem.Table.Columns.Contains(TaskProcessing.Constants.TaskQueueCode))
{
throw new ExceptionEvent(enumExceptionEventCodes.NullOrEmptyParameter
, "DataRow (taskQueueItem) containing TaskProcessingQueue data was empty");
}
DbTableDmlMgr dmlMgr = daMgr.DbCatalogGetTableDmlMgr(DataAccess.Constants.SCHEMA_CORE
, TaskProcessing.Constants.TaskProcessingQueue);
dmlMgr.SetWhereCondition(w => w.Column(TaskProcessing.Constants.TaskQueueCode)
== w.Parameter(TaskProcessing.Constants.TaskQueueCode));
DbCommand dbCmd = daMgr.BuildDeleteDbCommand(dmlMgr);
dbCmd.Parameters[daMgr.BuildParamName(TaskProcessing.Constants.TaskQueueCode)].Value
= Convert.ToInt32(taskQueueItem[TaskProcessing.Constants.TaskQueueCode]);
return(dbCmd);
}
DbCommand GetDeleteSessionRecordCmd()
{
DbTableStructure tblAppSesssion = _daMgr.DbCatalogGetTable(DataAccess.Constants.SCHEMA_CORE
, Constants.SignonControl);
DbTableDmlMgr dmlDeleteMgr = _daMgr.DbCatalogGetTableDmlMgr(DataAccess.Constants.SCHEMA_CORE
, Constants.AppSessions
, Constants.AppId
, Constants.StartDateTime);
dmlDeleteMgr.SetWhereCondition((j) => j.Column(Constants.AppCode)
== j.Parameter(dmlDeleteMgr.MainTable.SchemaName
, dmlDeleteMgr.MainTable.TableName
, Constants.AppCode
, _daMgr.BuildParamName(Constants.AppCode)) &&
j.Column(Constants.MultipleSessionCode)
== j.Parameter(dmlDeleteMgr.MainTable.SchemaName
, dmlDeleteMgr.MainTable.TableName
, Constants.MultipleSessionCode
, _daMgr.BuildParamName(Constants.MultipleSessionCode)));
return(_daMgr.BuildDeleteDbCommand(dmlDeleteMgr));
}