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Int vertės pardavimo pasirinkimo formulė, Reikia daugiau pagalbos?

For more information about these changes, see Dynamics Licensing Guide.

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The functionality for class extension, or class augmentation, has been improved. You can now wrap logic around methods that are defined in the base class that you're augmenting. You can extend the logic of public and protected methods without having to use event handlers.

When you wrap a method, you can also access public and protected methods, and variables of the int vertės pardavimo pasirinkimo formulė class. In this way, you can start transactions and easily manage state variables that are associated with your class.

For example, a model contains the following code.

Class extension - Method wrapping and Chain of Command

An extension class must belong to a package that references the model where the augmented class is defined. CoC is a design pattern where a request is handled by a series of receivers.

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The pattern supports loose coupling of the sender and the receivers. We now run the following code. When the call to the next doSomething method occurs, the system randomly picks another method in the CoC. Int vertės pardavimo pasirinkimo formulė no more wrapped methods exist, the system calls the original implementation.

Supported versions Important The functionality that is described in this topic CoC and access to protected methods and variables is available in Platform update 9. However, the class that is being augmented must also be int vertės pardavimo pasirinkimo formulė on Platform update 9 or later. As of Augustall current releases of the applications for Finance and Operations have been compiled on Platform update 8 or earlier.

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Therefore, to wrap a method that is defined in a base package such as Application Suiteyou must recompile that base package on Platform update 9 or later. You will also need to create a deployable package that includes both models in order int vertės pardavimo pasirinkimo formulė deploy this functionality on a runtime environment. Capabilities The following sections give more details about the capabilities of method wrapping int vertės pardavimo pasirinkimo formulė CoC.

Wrapping public and protected methods Protected or public methods of classes, tables, data entities, or forms can be wrapped by using an extension class.

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The wrapper method must have the same signature as the base method. When you int vertės pardavimo pasirinkimo formulė form classes, only root-level methods can be wrapped. You can't wrap methods that are defined in nested classes.

Currently, only methods that are defined in regular classes can be wrapped.

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Methods that are int vertės pardavimo pasirinkimo formulė in extension classes can't int vertės pardavimo pasirinkimo formulė wrapped by augmenting the extension classes. This capability is planned for a future update. What about default parameters?

Methods that have default parameters can be wrapped by extension classes. However, the method signature in the wrapper method must not include the default value of the parameter. For example, the following simple class has a method that has a default parameter.

Wrapping instance and static methods Instance and static methods can be wrapped by extension classes. If a static method is the target that will be wrapped, the method in the extension must be qualified by using the static keyword. For example, we have the following A class. Static methods in forms don't have any semantics.

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Wrapper methods must always call next Wrapper methods in an extension class must always call next, so that the next method in the chain and, finally, the original implementation are always called.

This restriction helps guarantee that every method in the chain contributes to int vertės pardavimo pasirinkimo formulė result. In the current implementation of this restriction, the call to next must be in the first-level statements in the method body. Here are some important rules: Calls to next can't be done conditionally inside an if statement. Calls to next can't be done in while, do-while, or for loop statements. A next statement can't be preceded by a return statement. Because logical expressions are optimized, calls to next can't occur in logical expressions.

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At runtime, the execution of the complete expression isn't guaranteed. Note If a method is replaceable, extenders don't have to unconditionally call next when wrapping the method by using chain of command.

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Although extenders can break the chain, the expectation is that they will only conditionally break it. The compiler doesn't enforce calls to next for methods with the attribute, Replaceable. Wrapping a base method in an extension of a derived class The following example shows how to wrap a base method in an extension of a derived class.

For this example, the following class hierarchy is used. Two classes, Int vertės pardavimo pasirinkimo formulė and C, are derived from A.

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We will augment or create an extension class of one of the derived classes in this case, Bas shown here. Therefore, only instances of the B class will include the wrapping of the salute method.

Instances of ateities brokeriai Int vertės pardavimo pasirinkimo formulė and C classes will never call the wrapper method that is defined in the extension of the B class. This behavior becomes clearer if we implement a method that uses these three classes. Accessing protected members from extension classes As of Platform update 9, you can access protected members from extension classes.

These protected members include fields and methods. Note that this support isn't specific to wrapping methods but applies all the methods in the class extension. Therefore, class extensions are more powerful than they were before. The Hookable attribute If int vertės pardavimo pasirinkimo formulė method is explicitly marked as [Hookable false ], the method can't be wrapped in an extension class. In the following example, anyMethod int vertės pardavimo pasirinkimo formulė be wrapped in a class that augments AnyClass1.

However, [Hookable true ] only ultraputnk užsidirbti pinigų internete atsiliepimai to pre- and post-handlers and does not influence chain of command wrapping.

Final methods and the Wrappable attribute Public and protected methods that are marked as final can't be wrapped in extension classes. You can override this restriction by using the Wrappable attribute and setting the attribute parameter to true [Wrappable true ].

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Similarly, to override the default capability for non-final public or protected methods, you can mark those methods as non-wrappable [Wrappable false ]. In the following example, the doSomething method is explicitly marked as non-wrappable, even though it's a public method. The doSomethingElse method is explicitly marked as wrappable, even though it's a final method.