What is Endeca Precedence Rules? - Endeca Features

Precedence rules provide a way to delay the display of dimensions until they offer a useful refinement of the navigation state. Precedence rules are defined in terms of a trigger dimension value and a target dimension, where a user's selection of the trigger dimension value reveals the previously unavailable target dimension to the user.
Example: Assume we have two dimensions: Size Type and Size.

We have one precedence rules:   Size Type> Size

In this case, the Size dimension is displayed after a dimension value from Size Type dimension is selected.




Option
Description
Source dimension value
The dimension that serves as a trigger for the To (or target) dimension value to be displayed.
Target dimension
The dimension that serves as a target for the From (or source) dimension value.
Rule type
There are two types of source dimension values:
The standard type means that if the dimension value specified as the trigger or any of its descendants are in the navigation state, then the target is presented (one trigger, one target).
The leaf type means that querying any leaf dimension value from the trigger dimension will cause the target dimension value to be displayed (many triggers, one target).
 

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