в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

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2010-05-26T11:38:05Z

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==Composite Pattern Demo==

<source lang="csharp">
using System;
using System.Text;
using System.Collections;
public abstract class Unit {
protected string name;
public abstract void Add(Unit e);
public abstract void Remove(Unit e);
public abstract void GetChild(int level);
public Unit(string name) {
this.name = name;
}
}

public class Office : Unit {
public override void Add(Unit c) {
Console.WriteLine("Can"t use "Add" in Office!");
}
public override void Remove(Unit e) {
Console.WriteLine("Can"t use "Remove" in Office! ");
}
public override void GetChild(int level) {
Console.WriteLine(new string("*", level) + this.name);
}
public Office(string name) : base(name) {}
}

public class Branch : Unit {
private ArrayList node = new ArrayList();
public override void Add(Unit e) {
node.Add(e);
}
public override void Remove(Unit e) {
node.Remove(e);
}
public override void GetChild(int level) {
Console.WriteLine(new String("#", level) + this.name);
foreach (Unit e in this.node)
e.GetChild(level + 1);
}
public Branch(string name) : base(name) {}
}
public class Client {
static void Main(string[] args) {
Branch root = new Branch("US (Root)");
Office ny = new Office("A (Unit)");
Office ca = new Office("B (Unit)");
root.Add(ny);
root.Add(ca);
Branch rootHawaii = new Branch("Canada Branch (Branch)");
root.Add(rootHawaii);
Branch branchUK = new Branch("UK Branch (Branch)");
Office ldnc = new Office("C Office (Unit)");
Office ldnw = new Office("D Office (Unit)");
branchUK.Add(ldnc);
branchUK.Add(ldnw);
root.Add(branchUK);
Office dummy = new Office("D Office");
ldnc.Add(dummy);
root.GetChild(0);
root.Remove(rootHawaii);
branchUK.Remove(ldnc);
Console.WriteLine("Remove Hawaii branch and London City office");
root.GetChild(0);
}
}
</source>

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в 15:31, 26 мая 2010

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