Migration of a Chosen Architectural Pattern to Service Oriented ...
Migration of a Chosen Architectural Pattern to Service Oriented ...
Migration of a Chosen Architectural Pattern to Service Oriented ...
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Chapter 3. <strong>Architectural</strong> <strong>Pattern</strong>s 56Component 1Connec<strong>to</strong>r 1Component 2 Component 3Connec<strong>to</strong>r 2Component 4Figure 3.21: Example usage <strong>of</strong> C2 patternoperation on the system. Client encapsulates own logic and a server proxy.Server– provides logic <strong>of</strong> the system.Logic– - logic <strong>of</strong> a clientProxy– wraps functionality <strong>of</strong> the server and allows logic <strong>of</strong> a client <strong>to</strong> invokefunctionality <strong>of</strong> the server as a functionality <strong>of</strong> own local object.Relationships – a user invoking operation on the client invokes serverswithout knowing it. Clients invoke servers, but the servers cannot invokeclients. Client contains its logic and proxy <strong>of</strong> a server. The logic can invokeproxy. Proxy can invoke server (see figure 3.23). Other invocations are notpossible.19. Implicit Invocation
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