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public class Mediator extends AbstractMediator{
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//中介者最重要的方法
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public void execute(String str,Object……objects){
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if(str.equals(“purchase.buy”)){//采购电脑
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this.buyComputer((Integer)objects[0]);
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}else if(str.equals(“sale.sell”)){//销售电脑
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this.sellComputer((Integer)objects[0]);
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}else if(str.equals(“sale.offsell”)){//折价销售
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this.offSell();
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}else if(str.equals(“stock.clear”)){//清仓处理
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this.clearStock();
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}
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}
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//采购电脑
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private void buyComputer(int number){
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int saleStatus=super.sale.getSaleStatus();
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if(saleStatus>80){//销售情况良好
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System.out.println(“采购IBM电脑:”+number+“台”);
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super.stock.increase(number);
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}else{//销售情况不好
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int buyNumber=number/2;//折半采购
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System.out.println(“采购IBM电脑:”+buyNumber+“台”);
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}
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}
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//销售电脑
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