61 lines
987 B
C++
61 lines
987 B
C++
#ifndef __CONTEXT_H__
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#define __CONTEXT_H__
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#include "Strategy.h"
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#include <stdio.h>
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// 上下文类
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class Context
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{
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public:
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Context(){
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arr = nullptr;
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N = 0;
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sortStrategy = nullptr;
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}
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Context(int iArr[], int iN){
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this->arr = iArr;
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this->N = iN;
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sortStrategy = nullptr;
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}
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Context(const Context& context) = delete;
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Context& operator=(const Context&) = delete;
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~Context()
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{
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if(sortStrategy)
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{
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delete sortStrategy;
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sortStrategy = nullptr;
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}
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}
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void setSortStrategy(Strategy* iSortStrategy){
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if(sortStrategy)
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{
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delete sortStrategy;
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sortStrategy = nullptr;
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}
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this->sortStrategy = iSortStrategy;
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}
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void sort(){
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this->sortStrategy->sort(arr, N);
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printf("输出： ");
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this->print();
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}
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void setInput(int iArr[], int iN){
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this->arr = iArr;
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this->N = iN;
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}
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void print(){
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for (int i = 0; i < N; i++){
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printf("%3d ", arr[i]);
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}
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printf("\n");
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}
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private:
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Strategy* sortStrategy;
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int* arr;
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int N;
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};
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#endif // __CONTEXT_H__
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