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Eliminate Source By Percentages
About this task
Text array point.Each rule contains an attribute name/value that the function block compares to an item's corresponding attribute names/values.Note: The name is defined in the Attribute Name Array. An element in the array can contain:
The value of the respective attribute in the Attribute Name Array.
Each element can contain one or multiple values with a comma separator. Do not include quotes.
A named query, or query expression, returning a Boolean result.
guide:Guidelines
For any element in the Attribute Name Array that contains the reserved name SOLVE you can enter a named query, or query expression, as the respective value element.
In this case, the percentage rule is not applied to an attribute name/value, but is instead applied to any items for which the query returns TRUE.ExampleA Boolean named query$IsStandardHatchback$ returns TRUE for items that have a standard transmission and have a hatchback rear door.$IsStandardHatchback$ is the query expression:
Vehicle.Transmission='Standard'&Vehicle.DoorType='Hatchback'When $IsStandardHatchback$ is entered as the value element, the applied percentage rule determines the percent of selected vehicles that can be standard hatchbacks.However, interaction with other rules can cause a hatchback item to fail even if it complies with the hatchback percent rule.Example
Procedure
The current hatchback item is red.
Selecting the red hatchback causes the percentage rule defined for a different attribute (or query) e.g. COLOR Blue, to fail to meet its Lower Release % Target,
The current red hatchback item is eliminated.
You can use a query that returns a set of attributes, instead of a Boolean result, by setting the query name or expression to a particular value.
ExampleA attribute named query $TransmissionIs$ is the expression Vehicle.TransmissionType.$TransmissionIs$ can be entered as the value element of this array in the form of an expression:
$TransmissionIs$ = 'Standard'
The number of red cars selected has not yet reached the Upper Release % Limit defined for Color/Red.
Selecting the red two-door would cause the percentage of four door cars selected to fall below its defined Lower Release % Limit
The red, two-door car is eliminated instead of being selected.
Notes:
This evaluation checks the Lower Release % Limit for attributes of all items that remain in the range source for which a percentage rule has been defined.
Eliminate Sources Percentages function block is generally used within a multiple-pass Resequence Block Module. Therefore, a rejected item may be selected by a subsequent pass in that case.
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