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vSphere API/SDK Documentation > vSphere Management SDK > vSphere Web Services SDK Documentation > VMware vSphere API Reference > Managed Object Types > T
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Managed Object - TaskHistoryCollector(vim.TaskHistoryCollector)

Returned by
CreateCollectorForTasks
Extends
HistoryCollector
See also
TaskInfo


Managed Object Description

TaskHistoryCollector provides a mechanism for retrieving historical data and updates when the server appends new tasks.

Properties

Name Type Description
latestPage*TaskInfo[]

The items in the 'viewable latest page'. As new tasks that match the collector's TaskFilterSpec are created, they are added to this page, and the oldest tasks are removed from the collector to keep the size of the page to that allowed by SetCollectorPageSize.

The "oldest task" is the one with the oldest creation time. The tasks in the returned page are unordered.

Properties inherited from HistoryCollector
filter
*May not be present

Methods

Methods defined in this Managed Object
ReadNextTasks, ReadPreviousTasks
Methods inherited from HistoryCollector
DestroyCollector, ResetCollector, RewindCollector, SetCollectorPageSize

ReadNextTasks(readNext)

Reads the 'scrollable view' from the current position. The scrollable position is moved to the next newer page after the read. No item is returned when the end of the collector is reached.

Required Privileges
None

Parameters

NameTypeDescription
_thisManagedObjectReference A reference to the TaskHistoryCollector used to make the method call.
maxCountxsd:int

The maximum number of items in the page.

Return Value

Type Description
TaskInfo[]

Faults

Type Description
InvalidArgumentThrown if maxCount is out of range.
RuntimeFaultThrown if any type of runtime fault is thrown that is not covered by the other faults; for example, a communication error.

Events

Type
None

Show WSDL type definition



ReadPreviousTasks(readPrev)

Reads the 'scrollable view' from the current position. The scrollable position is then moved to the next older page after the read. No item is returned when the head of the collector is reached.

Required Privileges
None

Parameters

NameTypeDescription
_thisManagedObjectReference A reference to the TaskHistoryCollector used to make the method call.
maxCountxsd:int

The maximum number of items in the page.

Return Value

Type Description
TaskInfo[]

Faults

Type Description
InvalidArgumentThrown if maxCount is out of range.
RuntimeFaultThrown if any type of runtime fault is thrown that is not covered by the other faults; for example, a communication error.

Events

Type
None

Show WSDL type definition






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