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clsTaskCollection

Abstract BOF collection that retrieves, creates, saves, and purges typed task objects.

Purpose

  • Provide the reusable collection wrapper for task search, edit, and purge scenarios.
  • Own the nested criteria type that assembles the dynamic task query.

Context

  • Namespace: SAIF.Business.Tasks
  • Assembly/package: SAIF.BOF.Business.Tasks

Public members

Member Signature Purpose
Item(Index) Default ReadOnly Property(ByVal Index As Integer) As iTask Return the task at the supplied collection index.
Item(inTaskSeqNum) Default ReadOnly Property(ByVal inTaskSeqNum As String) As iTask Return the task matching the supplied task sequence number string.
MyCriteria ReadOnly Property As Criteria Expose the criteria object used to build the collection query.
Contains(inTask) Overloads Function(ByVal inTask As iTask) As Boolean Report whether the live collection contains the supplied task.
Contains(inTaskSeqNum) Overloads Function(ByVal inTaskSeqNum As Decimal) As Boolean Report whether the live collection contains the supplied task sequence number.
ContainsDeleted(inTask) Overloads Function(ByVal inTask As iTask) As Boolean Report whether the deleted-item list contains the supplied task.
ContainsDeleted(inTaskSeqNum) Overloads Function(ByVal inTaskSeqNum As Decimal) As Boolean Report whether the deleted-item list contains the supplied task sequence number.
Add(inTask) Overloads Function(ByVal inTask As iTask) As Integer Add a task to the collection through the BOF base implementation.
Remove(inTask) Sub(ByVal inTask As iTask) Remove the supplied task instance from the live collection.
Remove(inTaskSeqNum) Sub(ByVal inTaskSeqNum As Decimal) Remove the first task whose TaskSeqNum matches the supplied value.
Save() Overrides Function As Boolean Apply collection edits and persist them through the BOF save lifecycle.
GetTasks(inDataPortalInfo, inSelectionCriteria) Shared Function(ByVal inDataPortalInfo As IDataPortalInfo, ByVal inSelectionCriteria As Criteria) As clsTaskCollection Retrieve a filtered task collection.
NewTask() MustOverride Function As iTask Return the concrete task type used for collection materialization.
PurgeTasks(inDataPortalInfo, inTaskSourceCode, inTaskCategoryCode, inKeepDays) Shared Function(ByVal inDataPortalInfo As IDataPortalInfo, ByVal inTaskSourceCode As String, ByVal inTaskCategoryCode As String, ByVal inKeepDays As String) As Integer Invoke PK82036_Task.Task_Purge and return the deleted-row count.

Behavioral notes

  • Uses the nested Criteria type to shape the collection-retrieval SELECT documented by SQL-008.
  • Dispatches each reader row to NewTask() during collection materialization.
  • Purge behavior maps to BR-021 and BR-022.

Constraints and usage notes

  • Concrete subclasses must implement NewTask() before the collection can materialize typed task instances.

Sources

  • Business\SAIF.Business.Tasks\clsTaskCollection.vb