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Petrutiu Mihai
2016-07-12 13:40:41 +03:00
parent af4a7f49bf
commit 9c6d0169f0
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README.md
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@@ -8,15 +8,15 @@ Implemented in project: ChainOfResponsibility
### a. Pattern description: ### a. Pattern description:
Decouples sender and receiver (as a sender you don't know who will handle the request/ as a receiver you don't know who the sender is necessary) Decouples sender and receiver (as a sender you don't know who will handle the request/ as a receiver you don't know who the sender is necessary)
### b.When using the Chain of Responsibility is more effective: ### b.When using the Chain of Responsibility is more effective:
More than one object can handle a command * More than one object can handle a command
The handler is not known in advance * The handler is not known in advance
The handler should be determined automatically * The handler should be determined automatically
It<EFBFBD>s wished that the request is addressed to a group of objects without explicitly specifying its receiver * It<EFBFBD>s wished that the request is addressed to a group of objects without explicitly specifying its receiver
The group of objects that may handle the command must be specified in a dynamic way. * The group of objects that may handle the command must be specified in a dynamic way.
Examples in real life: * Examples in real life:
* -java.util.logging.Logger.#log() * -java.util.logging.Logger.#log()
* -javax.servlet.Filter#doFilter() * -javax.servlet.Filter#doFilter()
* -Spring Security Filter Chain * -Spring Security Filter Chain
### c. Actors ### c. Actors
* Client - creates the chain, and invokes the first handler * Client - creates the chain, and invokes the first handler