public void UnsubData(string module, string name, IDataSubscriber monitor) { InternalDataMonitor interdate = null; if (module == null) { throw new ArgumentNullException("DataServer can not get datamanager for module is null."); } if (module.ToUpper().Equals("CTC")) { IDataManager datamanager = (IDataManager)this.GetDataType(module); interdate = new InternalDataMonitor(module, monitor); datamanager.UnsubData(name, interdate); } else { IControlNode datamanagernode = (IControlNode)this.GetDataType(module); interdate = new InternalDataMonitor(module, monitor); datamanagernode.UnsubData(name, interdate); } }
时间: 2024-02-10 15:33:13 浏览: 44
这段代码看起来是 C# 语言的,是用于取消订阅某个模块下的数据监视器的函数。函数接收三个参数:module 表示模块名称,name 表示数据名称,monitor 表示要取消订阅的数据监视器。
函数首先判断 module 是否为 null,如果是则抛出异常。然后判断 module 是否为 "CTC",如果是则获取 IDataManager 对象并使用其 UnsubData 方法取消订阅;否则获取 IControlNode 对象并使用其 UnsubData 方法取消订阅。最后将取消订阅的数据监视器封装成 InternalDataMonitor 对象并传入对应的 UnsubData 方法中。
相关问题
public void setLinkDescription(String linkDescription) { this.linkDescription = linkDescription == null ? null : linkDescription.trim(); }代码的执行顺序
这段代码的执行顺序是:
1. 首先,将传入的参数linkDescription进行null判断,如果为null,则将成员变量linkDescription赋值为null。
2. 如果linkDescription不为null,则调用trim()方法去除字符串两端的空格。
3. 最后,将去除空格后的字符串赋值给成员变量linkDescription。
续写这段代码package animal; public abstract class Animal { private String name; public Animal(String name) { this.name = name; } public String getName() { return name; } public void setName(String name) { this.name = name; } public abstract void makeSound();
public class Cat extends Animal {
private int age;
public Cat(String name, int age) {
super(name);
this.age = age;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public void makeSound() {
System.out.println("Meow");
}
}
public class Dog extends Animal {
private String breed;
public Dog(String name, String breed) {
super(name);
this.breed = breed;
}
public String getBreed() {
return breed;
}
public void setBreed(String breed) {
this.breed = breed;
}
@Override
public void makeSound() {
System.out.println("Woof");
}
}
public class Elephant extends Animal {
private int weight;
public Elephant(String name, int weight) {
super(name);
this.weight = weight;
}
public int getWeight() {
return weight;
}
public void setWeight(int weight) {
this.weight = weight;
}
@Override
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