add 享元模式

src/dp/com/company/flyweight/section1/Client.java

@@ -0,0 +1,12 @@
+package com.company.flyweight.section1;
+
+public class Client {
+
+	public static void main(String[] args) {
+		//从工厂中获得一个对象
+		SignInfo signInfo = SignInfoFactory.getSignInfo();
+		//进行其他业务处理
+	}
+
+
+}

src/dp/com/company/flyweight/section1/SignInfo.java

@@ -0,0 +1,44 @@
+package com.company.flyweight.section1;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class SignInfo {
+
+	//报名人员的ID
+	private String id;
+	//考试地点
+	private String location;
+	//考试科目
+	private String subject;
+	//邮寄地址
+	private String postAddress;
+
+	public String getId() {
+		return id;
+	}
+	public void setId(String id) {
+		this.id = id;
+	}
+	public String getLocation() {
+		return location;
+	}
+	public void setLocation(String location) {
+		this.location = location;
+	}
+	public String getSubject() {
+		return subject;
+	}
+	public void setSubject(String subject) {
+		this.subject = subject;
+	}
+	public String getPostAddress() {
+		return postAddress;
+	}
+	public void setPostAddress(String postAddress) {
+		this.postAddress = postAddress;
+	}
+
+
+}

src/dp/com/company/flyweight/section1/SignInfoFactory.java

@@ -0,0 +1,13 @@
+package com.company.flyweight.section1;
+
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class SignInfoFactory {
+	//报名信息的对象擦很难生气
+	public static SignInfo getSignInfo(){
+		return new SignInfo();
+	}
+}

src/dp/com/company/flyweight/section2/Client.java

@@ -0,0 +1,23 @@
+package com.company.flyweight.section2;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class Client {
+
+	public static void main(String[] args) {
+		//初始化对象池
+		for(int i=0;i<4;i++){
+			String subject = "科目" + i;
+			//初始化地址
+			for(int j=0;j<30;j++){
+				String key = subject + "考试地点"+j;
+				SignInfoFactory.getSignInfo(key);
+			}
+		}
+		SignInfo signInfo = SignInfoFactory.getSignInfo("科目1考试地点1");
+	}
+
+
+}

src/dp/com/company/flyweight/section2/SignInfo.java

@@ -0,0 +1,44 @@
+package com.company.flyweight.section2;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class SignInfo {
+
+	//报名人员的ID
+	private String id;
+	//考试地点
+	private String location;
+	//考试科目
+	private String subject;
+	//邮寄地址
+	private String postAddress;
+
+	public String getId() {
+		return id;
+	}
+	public void setId(String id) {
+		this.id = id;
+	}
+	public String getLocation() {
+		return location;
+	}
+	public void setLocation(String location) {
+		this.location = location;
+	}
+	public String getSubject() {
+		return subject;
+	}
+	public void setSubject(String subject) {
+		this.subject = subject;
+	}
+	public String getPostAddress() {
+		return postAddress;
+	}
+	public void setPostAddress(String postAddress) {
+		this.postAddress = postAddress;
+	}
+
+
+}

src/dp/com/company/flyweight/section2/SignInfo4Pool.java

@@ -0,0 +1,25 @@
+package com.company.flyweight.section2;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class SignInfo4Pool extends SignInfo {
+
+	//定义一个对象池提取的KEY值
+	private String key;
+
+	//构造函数获得相同标志
+	public SignInfo4Pool(String _key){
+		this.key = _key;
+	}
+
+	public String getKey() {
+		return key;
+	}
+
+	public void setKey(String key) {
+		this.key = key;
+	}
+
+}

src/dp/com/company/flyweight/section2/SignInfoFactory.java

@@ -0,0 +1,35 @@
+package com.company.flyweight.section2;
+
+import java.util.HashMap;
+
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class SignInfoFactory {
+	//池容器
+	private static HashMap<String,SignInfo> pool = new HashMap<String,SignInfo>();
+
+	//报名信息的对象工厂
+	@Deprecated
+	public static SignInfo getSignInfo(){
+		return new SignInfo();
+	}
+
+	//从池中获得对象
+	public static SignInfo getSignInfo(String key){
+		//设置返回对象
+		SignInfo result = null;
+		//池中没有该对象，则建立，并放入池中
+		if(!pool.containsKey(key)){
+			System.out.println(key + "----建立对象，并放置到池中");
+			result = new SignInfo4Pool(key);
+			pool.put(key, result);
+		}else{
+			result = pool.get(key);
+			System.out.println(key +"---直接从直池中取得");
+		}
+		return result;
+	}
+}

src/dp/com/company/flyweight/section3/ConcreteFlyweight1.java

@@ -0,0 +1,20 @@
+package com.company.flyweight.section3;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class ConcreteFlyweight1 extends Flyweight{
+
+	//接受外部状态
+	public ConcreteFlyweight1(String _Extrinsic){
+		super(_Extrinsic);
+	}
+
+	//根据外部状态进行逻辑处理
+	public void operate(){
+		//业务逻辑
+	}
+
+
+}

src/dp/com/company/flyweight/section3/ConcreteFlyweight2.java

@@ -0,0 +1,18 @@
+package com.company.flyweight.section3;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class ConcreteFlyweight2 extends Flyweight{
+
+	//接受外部状态
+	public ConcreteFlyweight2(String _Extrinsic){
+		super(_Extrinsic);
+	}
+
+	//根据外部状态进行逻辑处理
+	public void operate(){
+		//业务逻辑
+	}
+}

src/dp/com/company/flyweight/section3/Flyweight.java

@@ -0,0 +1,28 @@
+package com.company.flyweight.section3;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public abstract class Flyweight {
+	//内部状态
+	private String intrinsic;
+	//外部状态
+	protected final String Extrinsic;
+	//要求享元角色必须接受外部状态
+	public Flyweight(String _Extrinsic){
+		this.Extrinsic = _Extrinsic;
+	}
+
+	//定义业务操作
+	public abstract void operate();
+
+	//内部状态的getter/setter
+	public String getIntrinsic() {
+		return intrinsic;
+	}
+	public void setIntrinsic(String intrinsic) {
+		this.intrinsic = intrinsic;
+	}	
+
+}

src/dp/com/company/flyweight/section3/FlyweightFactory.java

@@ -0,0 +1,30 @@
+package com.company.flyweight.section3;
+
+import java.util.HashMap;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class FlyweightFactory {
+	//定义一个池容器
+	private static  HashMap<String,Flyweight> pool= new HashMap<String,Flyweight>();
+
+	//享元工厂
+	public static Flyweight getFlyweight(String Extrinsic){
+		//需要返回的对象
+		Flyweight flyweight = null;
+		//在池中没有改对象
+		if(pool.containsKey(Extrinsic)){
+			flyweight = pool.get(Extrinsic);
+		}else{
+			//根据外部状态创建享元对象
+			flyweight = new ConcreteFlyweight1(Extrinsic);
+			//放置到池中
+			pool.put(Extrinsic, flyweight);
+		}
+
+		return flyweight;
+	}
+
+}

src/dp/com/company/flyweight/section3/flyweight.ucls

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<class-diagram version="1.1.6" icons="true" always-add-relationships="false" generalizations="true" realizations="true" 
+  associations="true" dependencies="false" nesting-relationships="true">  
+  <class id="1" language="java" name="com.company.flyweight.section3.Flyweight" project="DPModel" 
+    file="/DPModel/src/dp/com/company/flyweight/section3/Flyweight.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="220" y="160"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true" 
+      visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="2" language="java" name="com.company.flyweight.section3.FlyweightFactory" project="DPModel" 
+    file="/DPModel/src/dp/com/company/flyweight/section3/FlyweightFactory.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="555" y="159"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true" 
+      visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="3" language="java" name="com.company.flyweight.section3.ConcreteFlyweight1" project="DPModel" 
+    file="/DPModel/src/dp/com/company/flyweight/section3/ConcreteFlyweight1.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="109" y="356"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true" 
+      visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <class id="4" language="java" name="com.company.flyweight.section3.ConcreteFlyweight2" project="DPModel" 
+    file="/DPModel/src/dp/com/company/flyweight/section3/ConcreteFlyweight2.java" binary="false" corner="BOTTOM_RIGHT">    
+    <position height="-1" width="-1" x="351" y="357"/>    
+    <display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" accessors="true" 
+      visibility="true">      
+      <attributes public="true" package="true" protected="true" private="true" static="true"/>      
+      <operations public="true" package="true" protected="true" private="true" static="true"/>    
+    </display>  
+  </class>  
+  <generalization id="5">    
+    <end type="SOURCE" refId="3"/>    
+    <end type="TARGET" refId="1"/>  
+  </generalization>  
+  <generalization id="6">    
+    <end type="SOURCE" refId="4"/>    
+    <end type="TARGET" refId="1"/>  
+  </generalization>  
+  <association id="7">    
+    <end type="SOURCE" refId="2" navigable="false">      
+      <attribute id="8" name="pool"/>      
+      <multiplicity id="9" minimum="0" maximum="2147483647"/>    
+    </end>    
+    <end type="TARGET" refId="1" navigable="true"/>    
+    <display labels="true" multiplicity="true"/>  
+  </association>  
+  <classifier-display autosize="true" stereotype="true" package="true" initial-value="false" signature="true" 
+    accessors="true" visibility="true">    
+    <attributes public="true" package="true" protected="true" private="true" static="true"/>    
+    <operations public="true" package="true" protected="true" private="true" static="true"/>  
+  </classifier-display>  
+  <association-display labels="true" multiplicity="true"/>
+</class-diagram>

src/dp/com/company/flyweight/section4/Client.java

@@ -0,0 +1,31 @@
+package com.company.flyweight.section4;
+
+/**
+ * @author cbf4Life [email protected]
+ * I'm glad to share my knowledge with you all.
+ */
+public class Client {
+
+	public static void main(String[] args) {
+		//在对象池中初始化四个对象
+		SignInfoFactory.getSignInfo("科目1");
+		SignInfoFactory.getSignInfo("科目2");
+		SignInfoFactory.getSignInfo("科目3");
+		SignInfoFactory.getSignInfo("科目4");
+
+		//取得对象
+		SignInfo signInfo = SignInfoFactory.getSignInfo("科目2");
+		while(true){
+			signInfo.setId("ZhangSan");
+			signInfo.setLocation("ZhangSan");
+			(new MultiThread(signInfo)).start();
+
+			signInfo.setId("LiSi");
+			signInfo.setLocation("LiSi");
+			(new MultiThread(signInfo)).start();
+
+		}
+	}
+
+
+}