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java-design-patterns/servant
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Ilkka Seppälä 9ec0935a1c Merge pull request #532 from leogtzr/master 
Adding initialization-on-demand idiom and noninstantiable class instead of interface constant idiom
2017-01-23 08:21:07 +02:00
..
etc
Update URM Version to 1.4.4 and regenerated all puml files
2016-11-26 12:51:06 +01:00
src
Changing code to use interfaces instead of implementations.
2017-01-21 15:47:54 -07:00
pom.xml
Set version for next development iteration
2016-12-31 10:24:26 +02:00
README.md
Work on #190: Commit initial pumlId's added by the script
2016-08-30 15:10:34 +02:00

README.md

layout, title, folder, permalink, pumlid, categories, tags
layout title folder permalink pumlid categories tags
pattern Servant servant /patterns/servant/ DSkn4O0m20NGLNG0G-ys63cDbv0SV7HzRUnUy-QYkSOkONKwWU4haV6JZe8pjd2nt1MYIBatAZKU1XjTVFEoYvT3by60c3erzW_qdPiL9CY_KrXB8rfz0G00 Structural
Java
Difficulty-Beginner

Intent

Servant is used for providing some behavior to a group of classes. Instead of defining that behavior in each class - or when we cannot factor out this behavior in the common parent class - it is defined once in the Servant.

alt text

Applicability

Use the Servant pattern when

  • when we want some objects to perform a common action and don't want to define this action as a method in every class.

Credits