principles:information_expert
Differences
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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| principles:information_expert [2012-12-22 10:16] – external edit 127.0.0.1 | principles:information_expert [2013-02-10 22:47] – relations; IE => TdA/IE christian | ||
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| - | ====== Information Expert (IE) ====== | + | ====== |
| ===== Variants and Alternative Names ===== | ===== Variants and Alternative Names ===== | ||
| * Expert | * Expert | ||
| - | * Tell Don't Ask | ||
| * Do It Myself | * Do It Myself | ||
| Line 49: | Line 48: | ||
| ==== Generalizations ==== | ==== Generalizations ==== | ||
| - | * [[principles:Low Coupling]] Adhering to the information expert principle leads to low coupling as there is less need to communicate with other modules to get the necessary information. | + | * [[Low Coupling]] Adhering to the information expert principle leads to low coupling as there is less need to communicate with other modules to get the necessary information. |
| - | * [[principles:High Cohesion]] Adhering to information expert also means that a module only has responsibilities which belong together. So this increases cohesion. | + | * [[High Cohesion]] Adhering to information expert also means that a module only has responsibilities which belong together. So this increases cohesion. |
| ==== Specializations ==== | ==== Specializations ==== | ||
| ==== Contrary Principles ==== | ==== Contrary Principles ==== | ||
| + | |||
| + | * [[More Is More Complex]] (MIMC): Adhering to TdA/IE sometimes results in adding further methods. | ||
| + | * [[Principle of Separate Understandability]] (PSU): Assigning responsibilities using TdA/IE bears the danger of violating PSU as responsibilities are assigned based on data availability instead of separate understandability. | ||
| ==== Complementary Principles ==== | ==== Complementary Principles ==== | ||
| - | * [[principles:Model Principle]] | + | * [[Model Principle]] |
| ==== Principle Collections ==== | ==== Principle Collections ==== | ||
principles/information_expert.txt · Last modified: 2021-10-18 21:25 by christian