Design Pattern Learning Notes--combination mode

1 usingSystem;2 3 namespaceComposite4 {5     /// <summary> 6     ///Bzyzhang7     ///time: 2016/5/30 7:11:108     ///Blog Address:http://www.cnblogs.com/bzyzhang/9     ///Component Description: This code is copyright Bzyzhang all, use must bring Bzyzhang blog addressTen     /// </summary>  One      Public Abstract classComponent A     { -         protected stringname; -  the          PublicComponent (stringname) -         { -              This. Name =name; -         } +  -          Public Abstract voidAdd (Component c); +          Public Abstract voidRemove (Component c); A          Public Abstract voidDisplay (intdepth); at     } -}

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1 usingSystem;2 3 namespaceComposite4 {5     /// <summary> 6     ///Bzyzhang7     ///time: 2016/5/30 7:13:288     ///Blog Address:http://www.cnblogs.com/bzyzhang/9     ///Leaf Description: This code copyright belongs to Bzyzhang All, use must bring Bzyzhang blog addressTen     /// </summary>  One      Public classleaf:component A     { -          PublicLeaf (stringname) -:Base(name) the         { -         } -  -          Public Override voidAdd (Component c) +         { -Console.WriteLine ("cannot add to a leaf"); +         } A  at          Public Override voidRemove (Component c) -         { -Console.WriteLine ("cannot remove from a leaf"); -         } -  -          Public Override voidDisplay (intdepth) in         { -Console.WriteLine (New string('-', depth) +name); to         } +     } -}

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1 usingSystem;2 usingSystem.Collections.Generic;3 4 namespaceComposite5 {6     /// <summary> 7     ///Bzyzhang8     ///time: 2016/5/30 7:15:499     ///Blog Address:http://www.cnblogs.com/bzyzhang/Ten     ///Composite Description: This code is copyright Bzyzhang all, use must bring Bzyzhang blog address One     /// </summary>  A      Public classcomposite:component -     { -         Privatelist<component> children =NewList<component>(); the  -          PublicComposite (stringname) -:Base(name) -         { +         } -  +          Public Override voidAdd (Component c) A         { at children. ADD (c); -         } -  -          Public Override voidRemove (Component c) -         { - children. Remove (c); in         } -  to          Public Override voidDisplay (intdepth) +         { -Console.WriteLine (New string('-', depth) +name); the             foreach(Component Componentinchchildren) *             { $Component. Display (Depth +2);Panax Notoginseng             } -         } the     } +}

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1 usingSystem;2 usingSystem.Collections.Generic;3 usingSystem.Linq;4 usingSystem.Text;5 usingSystem.Threading.Tasks;6 7 namespaceComposite8 {9     class ProgramTen     { One         Static voidMain (string[] args) A         { -Composite root =NewComposite ("Root"); -Root. ADD (NewLeaf ("Leaf A")); theRoot. ADD (NewLeaf ("Leaf B")); -  -Composite Comp =NewComposite ("Composite X"); -Comp. ADD (NewLeaf ("Leaf XA")); +Comp. ADD (NewLeaf ("Leaf XB")); -  + Root. ADD (comp); A  atComposite COMP2 =NewComposite ("Composite XY"); -Comp2. ADD (NewLeaf ("Leaf XYA")); -Comp2. ADD (NewLeaf ("Leaf XYB")); -  - Root. ADD (COMP2); -  inRoot. ADD (NewLeaf ("Leaf C")); -  toLeaf leaf =NewLeaf ("Leaf D"); + Root. Add (leaf); - Root. Remove (leaf); the  *Root. Display (1); $         }Panax Notoginseng     } -}

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Design Pattern Learning Notes--combination mode