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deyudeyu
deyu
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deyu
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add composite without
1 parent e10422a commit fac48d7

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‎HeadFirstDesignPatterns/src/composite/Brave.java‎

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package composite;
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public abstract class Brave {
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protected String name = "No Name";
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public void add(Brave brave){
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throw new UnsupportedOperationException();
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}
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public void remove(Brave brave){
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throw new UnsupportedOperationException();
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}
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public Brave getChild(int i){
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throw new UnsupportedOperationException();
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}
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public String getName(){
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return name;
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}
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public String getJob(){
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throw new UnsupportedOperationException();
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}
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public void display(){
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throw new UnsupportedOperationException();
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}
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}

‎HeadFirstDesignPatterns/src/composite/EmperorLegion.java‎

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package composite;
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import java.util.ArrayList;
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public class EmperorLegion {
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private ArrayList<Brave> b = new ArrayList<Brave>();
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private Team t1 ;
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private Team t2 ;
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private Team t3 ;
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public EmperorLegion(){
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t1 = new Team("第一軍團");
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t1.add(new Hero("第一騎士", "騎士"));
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t1.add(new Hero("第一法師", "法師"));
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t2 = new Team("隸屬第一軍隊別動隊");
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t2.add(new Hero("小騎士", "騎士"));
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t2.add(new Hero("小法師", "法師"));
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t1.add(t2);
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t3 = new Team("第二軍團");
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t3.add(new Hero("第-4騎士", "騎士"));
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t3.add(new Hero("第23法師", "法師"));
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b.add(t1);
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b.add(t3);
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}
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public Team getTeam1(){
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return t1;
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}
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public void rollcall(){
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for(Brave b1: b){
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b1.display();
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}
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}
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public Team getKnightTeam(){
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Team returnTeam = new Team("騎士團");
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for(Brave b1: b){
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try {
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if(b1.getJob().equals("騎士"))
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returnTeam.add(b1);
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} catch (NullPointerException e) {
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}
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}
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return returnTeam;
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}
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}

‎HeadFirstDesignPatterns/src/composite/Go.java‎

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package composite;
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public class Go {
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public static void main(String[] args) {
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// 印出全部
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EmperorLegion el = new EmperorLegion();
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el.rollcall();
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// 印出騎士團
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Team t1 = el.getKnightTeam();
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t1.display();
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// 找出第二個騎士
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Hero h1 = (Hero)t1.getChild(1);
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h1.display();
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}
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}

‎HeadFirstDesignPatterns/src/composite/Hero.java‎

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package composite;
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import util.JavaLog;
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public class Hero extends Brave{
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private String Job ;
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public Hero(String name , String Job) {
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this.name = name;
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this.Job = Job;
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}
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@Override
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public String getJob() {
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return Job;
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}
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@Override
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public void display() {
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JavaLog.d("¾·~¡G" + Job + " ¦WºÙ¡G " + name);
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}
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}

‎HeadFirstDesignPatterns/src/composite/README.md‎

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##合成模式
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____
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合成模式：允許你將物件合成樹狀結構，呈現[部分/整體]的階層關係。合成能讓客戶程式碼以一致的方式處理個別物件，以及合成物件。
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把英雄分成隊伍，可以直接對英雄隊伍點名，他會列出所有隊伍裡的英雄，以及裡面子隊伍的英雄。
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____

‎HeadFirstDesignPatterns/src/composite/Team.java‎

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package composite;
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import java.util.ArrayList;
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import util.JavaLog;
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public class Team extends Brave{
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private ArrayList<Brave> braves = new ArrayList<Brave>();
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public Team(String name) {
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this.name = name;
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}
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@Override
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public void add(Brave brave) {
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braves.add(brave);
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}
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@Override
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public void remove(Brave brave) {
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braves.remove(brave);
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}
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@Override
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public Brave getChild(int i) {
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return braves.get(i);
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}
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@Override
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public String getJob() {
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StringBuffer sb = new StringBuffer();
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// Iterator<Brave> iterator = braves.iterator();
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for( Brave b: braves){
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sb.append(b.getJob());
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}
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return sb.toString();
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}
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@Override
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public void display() {
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JavaLog.d(name);
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for(Brave b: braves){
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b.display();
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}
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}
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}

‎README.md‎

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反覆器模式：讓我們能夠取得一個聚集內每一個元素，而不需要此聚集將其實踐方法曝露出來。
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把重複訪問的演算法用反覆器包裝起來，使得要重複訪問這些物件的人，只要知道其反覆器就好，不用知道實際訪問的演算法。
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____
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##合成模式
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____
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合成模式：允許你將物件合成樹狀結構，呈現[部分/整體]的階層關係。合成能讓客戶程式碼以一致的方式處理個別物件，以及合成物件。
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把英雄分成隊伍，可以直接對英雄隊伍點名，他會列出所有隊伍裡的英雄，以及裡面子隊伍的英雄。
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____

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