* Moves saga to Java 11 * Moves semaphore to Java 11 * Moves servant to Java 11 * Moves serverless to Java 11 * Moves service-layer to Java 11 * Moves service-locator to Java 11 * Moves sharding to Java 11 * Moves singleton to Java 11 * Moves spatial-partition to Java 11 * Moves specification to Java 11 * Moves state to Java 11 * Moves step-builder to Java 11 * Moves strategy to Java 11 * Moves subclass-sandbox to Java 11 * Fixes checkstyle issues
layout, title, folder, permalink, categories, tags
layout | title | folder | permalink | categories | tags | |
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pattern | Servant | servant | /patterns/servant/ | Behavioral |
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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.
Class diagram
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.