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Questions and Answers
What is the primary purpose of contracts for operations?
What is the primary purpose of contracts for operations?
- To define system behavior in terms of business logic
- To define the system architecture
- To describe the outcome of executing system operations in terms of state changes to domain objects (correct)
- To model the user interface of a system
What do contracts describe in terms of system behavior?
What do contracts describe in terms of system behavior?
- The database schema used for data storage
- The algorithm used to implement an operation
- The user interface components required for an operation
- The detailed system behavior in terms of state changes to objects in the Domain Model (correct)
What are the main components of an operation's contract?
What are the main components of an operation's contract?
- System architecture, infrastructure, and network topology
- Pre-conditions, post-conditions, and invariants
- Domain Model, system behavior, and business logic
- Pre-conditions and post-conditions (correct)
What is the scope of an operation's contract in terms of system behavior?
What is the scope of an operation's contract in terms of system behavior?
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What is the primary focus of an operation's contract in terms of domain objects?
What is the primary focus of an operation's contract in terms of domain objects?
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Study Notes
Operation Contracts
- Operation contracts define system behavior in terms of state changes to domain objects.
- Contracts describe detailed system behavior in terms of state changes to objects in the Domain Model, after a system operation has executed.
- An operation contract is defined mainly in terms of two key components:
- Pre-conditions
- Post-conditions
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Description
Learn about operation contracts that define system behavior, describing the outcome of executing system operations in terms of state changes to domain objects. Understand pre-conditions and post-conditions in contract definition.
