flyweight designs

Flyweight definition:Avoid the overhead of a large number of small classes with the same content (such as memory consumption), so that everyone can share a class (Meta class ). The principle of object-oriented language is that everything is an object.Big. For example, if the word processing software uses every word as an object and thousands of words, the number of objects is several thousand, which is undoubtedly a waste.For memory usage, we still ne

1. IntentionsUse shared technology to effectively support a large number of fine-grained objects.2. MotivationThe flyweight pattern describes how to share objects so that they can be used fine-grained, without a high cost. Flyweight is a shared object that can be used in multiple scenarios (context) at the same time, and flyweight can act as a standalone object i

Flyweight-mode (structured mode)Object-oriented costsObject-oriented solves the problem of system abstraction, and in most cases it does not compromise the performance of the system. However, in some special applications, because the number of objects is too large, the adoption of object-oriented system will bring an unbearable memory overhead. Objects such as primitives in a specific application, character objects in a word processing application, an

Today, I studied the flyweight mode and found that I had a deep misunderstanding of this mode. This mode is used to solve the problem: the overhead of a large number of very similar classes. For example, in a program, a folder class has different names and coordinates, and the others are identical, therefore, we can import the name and location as external data to the drawing method for plotting. Therefore, we only need an instance of folder, you can

." Baby, good night "," you are my angel "," Baby, I love you forever "and other words. (From the android big talk Design Model) 2. Enjoy Mode Introduction 2.1 What is yuan Mode? To save memory resources, you can manage duplicate instances in a unified manner (in combination with the factory mode). Generally, objects are referenced only when no new instances are created. Flyweight is a sports term used to represent lightweight objects.

You can use the meta technology to effectively support a large number of fine-grained objects. For more information, see. The "Flyweight Pattern" is an English term. I am very grateful to the man who translated the "Flyweight Pattern" into the "exclusive" Pattern, because the word clearly expresses the way this Pattern is used; if it is translated into a feather or fly mode, although it can implicitly show

The use of the technology to effectively support a large number of fine-grained objects, the need for friends can refer to. Enjoy meta-mode English is called "Flyweight pattern", I am very grateful to the Flyweight pattern translated into the model of the strong man, because the word will use this pattern to express the way out, if the translation into a feather scale mode or fly scale mode, etc., Although

You can use the meta technology to effectively support a large number of fine-grained objects. For more information, see. The "Flyweight Pattern" is an English term. I am very grateful to the man who translated the "Flyweight Pattern" into the "exclusive" Pattern, because the word clearly expresses the way this Pattern is used; if it is translated into a feather or fly mode, although it can implicitly show

Role: The use of sharing technology to effectively support a large number of fine-grained objects. UML Structure diagram: Analytical: Flyweight patterns are often used when you use a large number of objects that can be shared. For example, in the QQ chat many times you do not bother to reply and have to reply, the general will use some polite words perfunctory others, such as "hehe", "good" and so on, These simple answers in fact everyone is defin

Enjoy meta-mode English is called "Flyweight pattern", I am very grateful to the Flyweight pattern translated into the model of the strong man, because the word will use this pattern to express the way out, if the translation into a feather scale mode or fly scale mode, etc., Although it is possible to implicitly demonstrate the use of this pattern to achieve the purpose, but still do not grasp the key to t

1. All things in the world are objects A software engineering major student is blocked from the university campus and asked him what is object-oriented. He will tell you that everything in the world is an object. The world is so big that everything is more than anything else. Go to the stars of the universe, and go to the bacterial virus. All are objects. The girl is still pale and fragrant. The boy was so happy with his close eyes. This is sharing! 2. Object explosion There

simple-to-enjoy mode, all the objects of the object can be shared.the roles involved in the simple-to-enjoy meta model are as follows：[1] abstract enjoy meta (Flyweight) role:An abstract interface is given to specify the methods that are required to be implemented for all of the specific enjoyment meta-roles. Public interface Flyweight { //A schematic method, the state of the parameter is the outside o