proxy-pattern

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Virtual functions in Proxy pattern in C++

If I have a proxy pattern Class A and proxy for that is Class PrxA. Question1 If I define few functions as virtual in A are those supposed to be defined as virtual even in PrxA?[详细]

2023-03-29 13:35 分类：问答
What is the name of this pattern? (answer: Remote Proxy)

Consider a class OriginalClass that might or might not be available on runtime. OriginalClass has a method doSomething which should be executed if its class is available.[详细]

2023-03-14 00:58 分类：问答
Design for customizable string filter

Suppose I\'ve tons of filenames in my_dir/my_subdir, formatted in a some way: data11_7TeV.00179691.physics_Egamma.merge.NTUP_PHOTON.f360_m796_p541_tid319627_00[详细]

2023-03-06 02:18 分类：问答
Why is the proxy pattern so slow?

At least in java, the proxy pa开发者_如何学运维ttern has a lot of overhead - I don\'t remember the exact figures, but when wrapping tiny methods the proxy takes something like 50 times as long as the[详细]

2023-03-04 07:32 分类：问答
Preprocessor with proxy design pattern

In the proxy section the Design Patter from the Gang of Four says: Overloading the member access operator isn\'t a good solution for every kind of proxy. Some proxies[详细]

2023-03-03 12:02 分类：问答
JAVA EE proxy pattern

I keep reading everywhere that when you ask for dependencies to be injected in a bean, you are injected a proxy to an instance of that resource. I believe I know what a proxy is, its an instance that[详细]

2023-02-14 11:52 分类：问答
Instantiate object defined as property in a PHP class as needed (lazy loading)

For the sake of simplicity, assume I have 2 classes, User and UserStatus, used in a Web application. <?php[详细]

2023-02-09 07:41 分类：问答
Ruby: Proxy pattern, reducing method calls

How do I proxy the ruby logger and keep performance? So, we have an requirement at work, quite reasonable.When a program is sent the signal HUP[详细]

2023-01-28 10:52 分类：问答
What is new() function here?

I\'ve been learning design patterns and I saw such a method call from a class : class Client: SubjectAccessor {[详细]

2023-01-27 19:01 分类：问答
How do I dynamically implement the Proxy Pattern?

I\'m revisiting my class tracking (dirty logic), which I wrote last year. Currently I have an uber base class that deals with all the state tracking, but each property whos values I need to track need[详细]

2023-01-16 03:59 分类：问答