(New Operationadd, A, b);
Case "Minus": Return Context.getresult (New, Operationminus, A, b);
......
}
}
private static int GetResult (Operation ins, int a, int b) {return
ins.calculateresult (a,b);
}
In this way, our client code can be changed to:
public class customer{public
static void Main (Strings args[]) {The context
ins = new context ();
int result Ins.getresult ("add", 1,2);
}
Compare the client code for the previous s
One system wants to use another system's data source, but the data source format does not meet its own requirements, which can be used in adapter modeOne example: The data provided by the personnel system returns the map type, but the financial system needs a List type of dataData sources provided by the personnel system:1 ImportJava.util.HashMap;2 ImportJava.util.Map;3 4 Public classpeople {5 PublicMapGetorgname () {6MapNewHashmap();7Map.put (1
did not expect her wife to get angry. She told her that he was an unlearned hacker and never let him in again. And Shen's transfer plan ended in failure.
Ji Xiaolan thought, I can't say that I want to make an appointment with a girl like Shen. when I leave the house, I want to say that my wife loves listening. What I do is what I love and do what I do, in this way, both of them can be done. The following code is used:
Reading: The old lady thought she was going to study. She actually went o
The holes that use Holder in the Adapter, and the Adapter uses Holder
When using the GridView and ListView, Zookeeper usually uses Holder to cache each item in the Adapter to improve efficiency. However, if the Holder is not used properly, this caching mechanism will lead to many unexpected problems, I would like to sum up my experience to avoid further attacks i
Situation Description:Today in the writing of data display, using the ListView, in its adapter, found that the number of times the GetView method execution is the data item n times (my side of the display is 4 times times, this times the value does not know will change), this is obviously unscientific!Check the data and find the layout problem of the ListView. I set the android:layout_height= "wrap_content" Height to wrap_content. While the Wrap_conte
By using this method, you can connect a mobile device (iphone, ipad, or mobile phone) to the Internet through a wireless network card of a laptop.Microserof virtual wifi miniport adapter is a new feature of Windows 7, which is called virtual wifi.The virtual Wifi function in Windows 7 can Virtualize a network card based on a wireless network card, so that the AP function of the wireless router can be realized, and wireless devices can share the Intern
Copy CodeThe code is as follows:
/**
* Adapter Mode
*
* Convert a class's interface into another interface that the customer wants, using classes that are inherently incompatible to work with and can work together
*/
This is the original type.
Class Oldcache
{
Public Function __construct ()
{
echo "Oldcache construct
";
}
Public function Store ($key, $value)
{
echo "Oldcache Store
";
}
Public function Remove ($key)
{
echo "Oldcache remove
";
}
Pu
The principle of this pattern is very simple, please see the example below.
1. Class Diagram
2. Java Implementation CodePackage cn.edu.ynu.sei.defaultAdapter;
/**
* Interface a* This interface has 5 methods, F1~f5
*
* @author 88250
* @version 1.0.0, 2007-8-31
*/
public interface Interfacea
{
public void F1 ();
public void F2 ();
public void F3 ();
public void F4 ();
public void F5 ();
}
Package cn.edu.ynu.sei.defaultAdapter;
/**
* Default Ad
Converts an interface of a class to another interface that the customer wants. classes that are originally incompatible and cannot work together can work together.
The code is as follows:
/**
* Adapter mode
*
* Convert an interface of a class to another interface that the customer wants. classes that are originally incompatible and cannot work together can work together.
*/
// This is the original type
Class OldCache
{
Public function _ construct (
Converts an interface of a class to another interface that the customer wants. classes that are originally incompatible and cannot work together can work together.
The code is as follows:
/*** Adapter mode** Convert an interface of a class to another interface that the customer wants. classes that are originally incompatible and cannot work together can work together.*/// This is the original typeClass OldCache{Public function _ construct (){Echo
Copy the code code as follows:
/**
* Adapter Mode
*
* Convert a class's interface into another interface that the customer wants, using classes that are inherently incompatible to work with and can work together
*/
This is the original type.
Class Oldcache
{
Public Function __construct ()
{
echo "Oldcache construct}
Public function Store ($key, $value)
{
echo "Oldcache store}
Public function Remove ($key)
{
echo "Oldcache remove}
Public function F
In STL algorithms, function pointers and function-like passing algorithms can be used.
So why do we still need regular function adapters?
Because regular function adapters do not have the "matching capability"
Example:
/** File: Main. CPP * Author: Vicky. H * mail: eclipser@163.com */# include
5
Member function adapter:
/** File: Main. CPP * Author: Vicky. H * Email: eclipser@163.com */# include
BCDB---------------------------BCDB
In the book "Java and Patterns" of Dr. Shanhong, this describes the adapter (Adapter) Pattern:The adapter mode transforms the interface of one class into another interface that the client expects, so that two classes that would otherwise not work together because of an interface mismatch can work together.
purpose of Ad
In the book "Java and Patterns" of Dr. Shanhong, this describes the adapter (Adapter) Pattern:The adapter mode transforms the interface of one class into another interface that the client expects, so that two classes that would otherwise not work together because of an interface mismatch can work together.
purpose of Ad
Quote Encyclopedia
In computer programming, adapter patterns (sometimes referred to as wrapper styles or wrappers) fit the interface of a class to what the user expects. A fitting allows a class that is usually not working together because the interface is incompatible, by wrapping its own interface in an existing class.
Basic Information
There are two types of adapter modes: Class
Thanks to "The Android source design pattern analysis and the actual combat" He Honghui Guan
The adapter pattern is extremely high in our development and can be judged from the adapter that are ubiquitous in the code, from the earliest ListView, the GridView, to the current Recyclerview all need to use adapter, and the optimization problems we encounter in devel
Generally, the client class accesses the services it provides through the class interface. Sometimes, an existing class (existing class) can provide the functional requirements of the customer class, but its interfaces are not necessarily expected by the customer class. This is because the existing interface is too detailed or lacks details or the interface name is different from the one found by the customer class.
In this case, the existing interface needs to be converted to the desired interf
Introduction
In project development, there are times when you need to use "some existing objects" that were previously developed, but the interfaces required in the new environment are not satisfied by these existing objects. How do you respond to the need for such migrations? This makes it possible to reuse these objects to meet the new application environment, which is the problem that the adapter (Adapter
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