template-method-pattern Questions

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I have an OO hierarchy with docstrings that take as much maintenance as the code itself. E.g., class Swallow(object): def airspeed(self): """Returns the airspeed (unladen)""" raise NotImplement...
Zyrian asked 11/11, 2011 at 21:26

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Can someone please explain to me what is the difference between the template method pattern and the strategy pattern is? As far as I can tell they are 99% the same - the only difference being that...
Brownout asked 21/3, 2009 at 13:6

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GOF talks about frameworks for "Factory method" pattern. Frameworks need objects but implementation of objects depends upon application hence an abstract method to create the object is created. Als...

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Can anyone let me know some example situations where Template Method - pattern should be used? Give me some real-world use from your own experience. (I have so far found it useful only for mappin...
Wyman asked 12/10, 2009 at 10:40

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How can a variant of the Template Method pattern be implemented whereby the concrete class does not inherit from the base class, but the overall feature of the pattern is maintained. The reason it ...
Memorialize asked 17/7, 2013 at 6:53

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Template pattern provides algorithm in the base class whose steps can be modified in the derived class. In Builder pattern, concrete builder exposes methods for building a product which are called ...
Instability asked 15/4, 2011 at 9:0

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I was reading about design patterns, in particular about the template method, when my attention was caught by this question on SO. After reading the explanation and specific code I am still wonder...

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Is there an elegant canonical way to implement template method pattern in Go? In C++ this looks like this: #include <iostream> #include <memory> class Runner { public: void Start() {...
Pioneer asked 4/6, 2016 at 22:48

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I am reading about Template design pattern. As per my current understanding, Template design pattern can be used when we have an algorithm with defined set of processes(methods) to be done in order...
Cavorelievo asked 22/2, 2016 at 16:55

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In many programs, a Class with the suffix Template exists. For example, org.springframework.web.client.RestTemplate, etc. What does template mean as a class name suffix? Does it mean the Template...
Yarn asked 30/3, 2016 at 3:22

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I'm in a class where we just learned about these design patterns. However I couldn't see any difference between them. They sound just like the same, creating concrete classes over the abstract one....

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I believe the Template method pattern involves encapsulating each step in the algorithm. I think activity's life cycles (onCreate, onResume, etc) are steps that must be overridden by the concrete ...
Polanco asked 16/9, 2014 at 1:1

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This is probably a newbie question since I'm new to design patterns but I was looking at the Template Method and Strategy DP's and they seem very similar. I can read the definitions, examine the UM...

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Consider the following code with a template method design pattern: class A { public: void templateMethod() { doSomething(); } private: virtual void doSomething() { std::cout << “42\n”...

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I have a util class that perform some work. Obviously, it is closed for extension and all methods are static. For the sake of simplicity, the class looks like this: public final class Util { priv...
Mudstone asked 26/4, 2013 at 12:47

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I have this abstract class named as RenderableEntity . I have a public method render() that has some logic wrapped around abstract protected render() method. How should I name this abstract rende...
Cabinetmaker asked 28/1, 2013 at 14:26

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The template method pattern provides that the abstract base class has a not overridable method: this method implements the common algorithm and should not overridden in the subclasses. In Java the ...
Yasmeen asked 15/8, 2012 at 17:47

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So I've been reading about template methods on Objective-C and I am trying to understand what's so special about them. From my understanding any method in a Base class can be over-ridden and super ...
Spoonfeed asked 16/11, 2011 at 3:48

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From Gang of Four on the Template Method Pattern: Three implementation issues are worth noting: Using C++ access control. In C++, the primitive operations that a template method calls can ...
Coff asked 7/3, 2012 at 13:44

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Edit: Per some comments, by simple I mean a) less code, b) easy to maintain, and c) hard to get wrong. Edit #2: Also, using containment instead of private inheritance is not objectionable if it do...
Sufficient asked 12/11, 2011 at 15:32

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I have some object oriented code in Python, where some classes are meant to be extended to provide the missing custom bits of code (a la Template Method pattern, but also with variables), that will...
Northway asked 18/10, 2011 at 14:53

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I often get into situation when I'd like to use template method pattern, but the template method expects a different type of a parameter, like this: public abstract class AbstractFoo { public vo...
Redeploy asked 16/7, 2011 at 5:53

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I want, in javascript, to implement the template method pattern. I have a PropertyDecorator with some subclasses: OpenButtonDecorator, SeeButtonDecorator and so on. I want to have in Property deco...
Spay asked 8/10, 2010 at 15:8

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Edit: Found duplicate I've whittled down some problem code to the simplest working case to illustrate the following: my typedef in a pure abstract base class is not being inherited by the derived...

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What is the difference between NVI ( Non-Virtual Interface ) and the Template Method patterns? They seem very similar and I've read both that they're basically the same and that they're subtly dif...

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