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Read the following definitions to get familiar with different change types.
Addition change
If an element has been added to a compared project version, an addition change occurs.
Deletion change
If an element has been removed from a compared project version, a deletion change occurs.
Modification change
If an element property in a compared project version has been modified, a modification change occurs.
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- Addition modification change that occurs when a value is added to a property.
- Deletion modification change that occurs when a value is removed from a property.
- Replacement modification change that occurs when one value is replaced with another. This type of modification change occurs only for properties that have multiplicity less or equal to 1.
Movement change
If an element owner has been changed in a compared project version, a movement change occurs.
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Another case of the movement change is when an attribute or an operation that has been owned by class A in the base, becomes the attribute or an operation of class B in a compared project version. |
Order change
If the order of elements has been changed in a compared project version, an order change occurs. Order changes can occur on elements such as attributes, operations, and other ordered elements. Even if a single element in a collection has changed its place, the order change is applied to the entire collection.
Since an element can have several ordered collections, several order changes can occur on a single element.
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