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Questions and Answers
What is the primary purpose of specifying the name of an operation in an operation contract?
What is the primary purpose of specifying the name of an operation in an operation contract?
- To provide a unique identifier for the operation (correct)
- To identify the use cases in which the operation occurs
- To describe the postconditions of the operation
- To define the preconditions for the operation
What do cross references in an operation contract refer to?
What do cross references in an operation contract refer to?
- The postconditions resulting from the operation's execution
- The parameters required for the operation
- The use cases in which the operation occurs (correct)
- The preconditions required for the operation to execute
What is the primary purpose of preconditions in an operation contract?
What is the primary purpose of preconditions in an operation contract?
- To outline the assumptions about the system state before execution (correct)
- To describe the effects of the operation on the system
- To specify the expected outcome of the operation
- To define the parameters required for the operation
What do postconditions in an operation contract describe?
What do postconditions in an operation contract describe?
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What is the relationship between an operation contract and the data model?
What is the relationship between an operation contract and the data model?
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Study Notes
Operation Contracts - Schema
- An operation contract is defined by its name, accompanied by parameters.
- Each operation contract is associated with specific use cases, which are cross-referenced.
- Preconditions are essential, highlighting assumptions about the system's state or objects in the Data Model (DM) before executing the operation.
- Postconditions describe the state of objects in the DM after the operation has been executed.
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Description
This quiz covers the operation contracts schema, including the operation name, cross references, preconditions, and postconditions.
