36 lines
668 B
C++
36 lines
668 B
C++
#ifndef __AGGREGATE_H__
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#define __AGGREGATE_H__
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#include <vector>
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#include <string>
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using namespace std;
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// 前向声明，因为两个类互相引用
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class Iterator;
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class RemoteControl;
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// 抽象聚合类 Aggregate
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class Aggregate
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{
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public:
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Aggregate(){}
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virtual ~Aggregate(){}
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virtual Iterator* createIterator() = 0;
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};
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// 具体聚合类 Television
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class Television :public Aggregate
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{
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public:
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Television();
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Television(vector<std::string> iChannelList);
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// 实现创建迭代器
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Iterator* createIterator();
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// 获取总的频道数目
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int getTotalChannelNum();
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void play(int i);
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private:
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vector<std::string> channelList;
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};
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#endif //__AGGREGATE_H__
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