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Ilkka Seppälä
2015-03-29 21:44:05 +03:00
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@@ -425,7 +425,7 @@ Behavioral patterns are concerned with algorithms and the assignment of responsi
## <a name="execute-around">Execute Around</a> [&#8593;](#list-of-design-patterns) ## <a name="execute-around">Execute Around</a> [&#8593;](#list-of-design-patterns)
**Intent:** Execute Around idiom frees the user from certain actions that should always be executed before and after the business method. A good example of this is resource allocation and deallocation leaving the user to specify only what to do with the resource. **Intent:** Execute Around idiom frees the user from certain actions that should always be executed before and after the business method. A good example of this is resource allocation and deallocation leaving the user to specify only what to do with the resource.
![alt text](https://github.com/iluwatar/java-design-patterns/blob/master/execute-around/etc/execute-around.png "Execute Around") ![alt text](https://github.com/iluwatar/java-design-patterns/blob/master/execute-around/execute-around.png "Execute Around")
**Applicability:** Use the Execute Around idiom when **Applicability:** Use the Execute Around idiom when
* You use an API that requires methods to be called in pairs such as open/close or allocate/deallocate. * You use an API that requires methods to be called in pairs such as open/close or allocate/deallocate.