1. Mode motivationBoth in the real world and in software systems, there are some complex objects that have multiple components, such as automobiles, which include wheels, steering wheel, transmitter and many other components. For most users, it is not necessary to know the assembly details of these parts, but rather to use a complete car, which can be designed and described by the builder mode, which separates the parts from the assembly process, crea
No one buys a car with only one tire or steering wheel. Everyone buys a complete car with multiple components, such as tires, steering wheel, and engine. How to assemble these components into a complete car and return them to the user is a problem that needs to be solved by the builder mode. The builder mode is also known as the generator mode. It is a complex creation mode with a low usage frequency. The
Some people who know siwft know that ring is a very core component of swift and determines how data is distributed in the cluster. Swift determines the number of partitions in the Cluster Based on the configured partition_power (2 to the power of partition_power), and based on consistent hashAlgorithmAllocate partitions to different nodes and distribute data to corresponding partitions.
Therefore, building a ring is a process that swift initialization must go through. Simply put:
New R
defines
The Separates the build of a complex object from its performance so that the same build process can create different manifestations. The look at this concept, may feel very abstract, can understand but do not know what use. Let's make an analogy to understand the definition above. Before we make a metaphor, let's talk about what this design pattern is for. Why do we use this model? The builder model is responsible for decoupling th
Builder Mode)Definition
(After reading the Chinese and English versions of this book, I found that I have learned nine tricks about the builder model, So I went online to search for others' analysis, therefore, this chapter mostly collects data from the Internet. In addition, code examples indicate that the examples in this book are inappropriate and have changed, so this chapter has little to do with this
Mode Motive
Both in the real world and in software systems, there are complex objects that have a number of components, such as automobiles, including wheels, steering wheel, engine, and many more. For most users, it is not necessary to know the assembly details of these parts, but rather to use a complete car, which can be designed and described by the builder mode, which separates the parts from the assembly process, creating a complex object step
Personal Understanding:
The construction of a complex object is separated from its representation, allowing the same build process to create different representations.
After searching for a number of builder models, I found that some of the builders ' goals were to encapsulate the product in different order, some of the same order of different products, the order was encapsulated in the director, and some were not encapsulated, but deferred to the
Overview
In a software system, sometimes it is faced with the creation of "a complex object", which is usually composed of sub-objects of each part using a certain algorithm; due to changes in requirements, the various parts of this complex object often face drastic changes, but the algorithms that combine them are relatively stable. How to deal with this change? How can we provide a "encapsulation mechanism" to isolate the changes of "various parts of complex objects", so as to keep the "stable
[Design mode] javascript builder ModeBuilder mode description 1. separates the construction of a complex object from its representation so that the same creation process can have different representations. This is called the builder mode. 2. description in object-oriented language. Main roles: 1>. the Builder interface class defines the Builder's [Worker] and uni
I have read this book about objective Java Distilled: "objective Java" intermittently for nearly two times. The content in this book is quite deep and is very helpful for improving the quality of engineering code. I plan to organize a series slowly. The reason why I name it objective Java Distilled is to organize the essence of this book as much as possible to facilitate review and use. After all, my memory is limited and many things are often forgotten. Of course, it would be better if it could
Public class _ 2_2_nutritionfacts {private final int servingsize; private final int serving; private final int Calories; private final int fat; private final int sodium; private final int Carbohydrate; private _ 2_2_nutritionfacts (Builder) {This. servingsize = builder. servingsize; this. serving = builder. serving; this. calories =
Definition: Separates the construction of a complex object from its representation, allowing the same build process to create different representations.Type: Creating class ModeClass Diagram:
Four elements
Product class: Is generally a more complex object, that is, the process of creating objects is more complex, generally there will be more code volume. In this class diagram, the product class is a concrete class, not an abstract class. In practical programming, a product class can
Builder mode: The internal representation of a product can be separated from the production process, allowing a construction process to produce a product object with different internal representationsBuilding the UML class diagram of the modal:Class Diagram Relationship Description:Builder role: An abstract interface is given to standardize the construction of each component of the Product object. Typically, this interface is independent of the applic
Builder Pattern)
Once you hear this name, you may guess one or two points. A builder simply understands that it is something to create. It is just something that the builder model creates, not something that is more complex than a hacker. It is like building a house. You need to build a foundation, build a wall, fill cement, seal the top, and tile the last wall.
1. definition of builders (builder, or generator) mode(1) Separating a complex object construct from its representation so that the same build process can create different representations.① the above mentioned " build " refers to the construction process of the algorithm (that is, the construction sequence, in the Director class), " representation " refers to the specific details of the generated parts (or called implementation, In the
Builder Builder Mode (Create-mode)The origin of builder modeSuppose you create a house facility in the game, the building is made up of several parts, and the parts are richly varied.If you use the most intuitive design method, the changes in each part of the House will lead to the re-revision of the building.Motive (motivation)In the software system, sometimes f
However, you must have a UML to make it clear. Generally, I only remember UML diagrams. Some patterns have their own fixed implementations.Code(Only part of this interface), especially in C #, the user is even treated as a client without exposing its internal implementation. Only encapsulated mode interfaces are published. So I will record some fixed implementation methods. There are also applicable scenarios (see more examples), advantages and disadvantages. Finally, the comparison between the
Flash Professional cs5 provides the workflow between flash pro and flash Builder 4.
The workflow used by the producer includes:
In flash Builder 4, compile, remove, or issue the program in the Flash pro cs5.
You can use Flash Professional to activate the event 3.0 in Flash Builder 4.
Refer to www.adobe.com/go/lrvid5303_fl_tw. Before the start
Design Mode (5) creator mode (Builder)I. Schema Definition
Builder Pattern: separates the construction of a complex object from its representation, so that different representations can be created during the same construction process.
The builder mode is used to create a complex object step by step. It allows users to build complex objects by specifying the types
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