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IMS SS enables a content developer to conditionally restrict, at a broad level, if an activity contributes to its parent’s rollup. Table 3.8a details the three types of tracking status information (refer to Section 4.2: Tracking Model) that are permitted to be restricted during rollup.
Table 3.8a: Description of Rollup Controls
No. | Name | Description | Value Space | Default Value |
1 | Rollup Objective Satisfied | Indicates whether the activity contributes to the evaluation of its parent’s Satisfied and Not Satisfied Rollup Rules. | boolean | True |
2 | Rollup Objective Measure Weight | A weighting factor applied to the Objective Normalized Measure for the objective (which has the Objective Contributes to Rollup equal to True) associated with the activity used during rollup for the parent activity. | Real [0..1] Precision of at least 4 significant decimal digits | 1.0 |
3 | Rollup Progress Completion | Indicates whether the activity contributes to the evaluation of its parent’s Completed and Incomplete Rollup Rules. | Boolean | True |
Source: IMS Simple Sequencing Behavior and Information Model [1]