Singleton pattern

Many people from different programming backgrounds should be familiar with the Singleton Pattern .

很多有着不同开发背景得人都会比较熟悉单例模式。

Through this functionality , you can use the popular singleton pattern .

通过使用这种功能，您可以使用流行的单例模式。

The Practice of Using Singleton Pattern in . NET

单件模式在.NET中的应用实践

Using C # 2.0 Generics to achieve a reusable Singleton pattern

使用C2.0泛型来完成单例模式的重用

Implementing and application of the Singleton pattern in VB

Singleton模式在VB中的实现和应用

Doing so creates an instance of the Singleton Pattern in the Model Explorer .

执行此操作将会在模型浏览器中生成一个Singleton模式的实例。

Singleton pattern makes construction method of the class protected , and ensures only one instance to be created .

Singleton模式把类的构造方法隐藏在静态方法后面，保证系统中仅有1个类的实例被创建。

This is a standard PHP singleton pattern .

这是一个标准的PHP单元素模式。

In the program the author apply observer pattern , composite pattern , factory pattern and singleton pattern .

在系统中使用了观察者模式、合成模式、简单工厂模式和单例模式。

The singleton pattern can be used to delay the initialization of an object as long as possible .

单元素模式可以用来尽可能久地延迟对象的初始化。

Using some excellent designs patterns in the design , such as factory model , proxy pattern and singleton pattern .

同时，在设计体系架构时，使用了一些优秀的设计模式，如工厂模式，代理模式、单例模式等。

To create an instance of the Factory Method Pattern , perform the same steps as for the Singleton Pattern .

要创建Factory方法模式的实例，执行同Singleton模式相同的步骤。

The Singleton pattern applies to situations in which there needs to be a single instance of a class .

单例模式支持那些需要只保存一个单独的实例的类。

Create a private attribute for the Singleton Pattern called_instance .

为Singleton模式创建私有属性，称为instance。

The framework adopts object broker in singleton pattern to implement data access , effectively enhances the efficiency of connection ;

框架采用了单实例的对象代理来实现数掘访问，有效地提高了连接操作的效率；

As its name suggests , the Singleton Pattern is typically used when you want only one instance of a particular class .

如其名称所暗示的，当您想要特别类的仅仅一个实例时，才使用Singleton模式。

Drag and drop the Singleton Pattern instance from the Pattern Explorer into the UML Class Diagram view .

将Singleton模式实例从模式浏览器中拖拽到UML类图视图中。

However , the project had two closely related scenarios where the singleton pattern proved useful : for logging and exception handling .

不过本项目中有两个紧密相关的场景可以证明独立模式是有用的：可以用于日志记录和异常处理。

Create two methods for the Singleton Pattern : The constructor is private , and there is one public method called getInstance () .

为Singleton模式创建两个方法：构造函数是私有的，且有一个公有的方法，称为getInstance（）。

The singleton pattern is baked directly into Scala and is used anywhere you would use static methods or variables in the Java language .

单例模式被直接内置在Scala中，可以替代Java语言中的静态方法或变量。

Most caches are implemented using the Singleton pattern involving a static reference to a top level Cache class as shown in this example .

使用Singleton模式实现的大多数缓存都涉及本例所示的对顶级Cache类的静态引用。

If we follow a straight singleton pattern for PoIdGenerator , this can be problematic .

如果我们使用PoIdGenerator的直接单一模式，可能会出现问题。

To facilitate this , the plug-in class implements the singleton pattern : It stores a reference to itself in a private class variable .

为了使这一点更方便，插件类实现单模式（singletonpattern）：它在私有类变量中存储一个自身的引用。

The singleton pattern is probably one of the most often used OOP design patterns ; it restricts the number of object instances of a class to one .

单例模式可能是最常用的OOP设计模式之一了；它限制了一个类的对象实例数只能为1。

You use this function to initialize static variables , enforce the singleton pattern , or perform any other necessary work before a class is usable .

你可以用这个函数来初始化静态成员变量，强制使用单例模式，或者实现其它任何在类型的实例可用前应该完成的工作。

Agricultural Expert System Platform is characterized by complexity . The paper applies Strategy Pattern , Composite Pattern , Command Pattern , Singleton Pattern and Facade Pattern to the system .

鉴于农业专家平台系统的复杂性，论文提出了运用策略模式、组合模式、命令模式、单例模式以及门面模式构建农业专家系统。

This setup means that no matter which thread uses this class in the Singleton Pattern , whenever that public method is called , it should output the same value .

这个测试类的意思就是不论那个线程在任何时候，在单例下调用这个类公共方法，都将返回相同的值。

Using the Singleton pattern we guarantee that no matter how many times the BusinessLayerProxy tries to create a CommandFactory , only one instance will exist .

使用Singleton模式，我们可以保证无论BusinessLayerProxy多少次尝试建立CommandFactory，也只存在一个实例。

In the case of eg.a singleton pattern using the constructor this can have severe consequences and lead to seemingly random null reference exceptions .

单一模式使用构造函数可能会导致严重后果，会带来类似随机的空参数异常。

The singleton pattern ensures that only a single instance of a class is normally used by an application , but still allows alternate instances to be created as required .

单元素模式可以确保应用程序通常只使用类的单个实例，但是仍然允许根据需要创建备用实例。