1700484320
1700484321
//传递两个规格书进行and操作
1700484322
1700484323
private ISpecification left;
1700484324
1700484325
private ISpecification right;
1700484326
1700484327
public AndSpecification(ISpecification_left,ISpecification_right){
1700484328
1700484329
this.left=_left;
1700484330
1700484331
this.right=_right;
1700484332
1700484333
}
1700484334
1700484335
//进行and运算
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1700484337
@Override
1700484338
1700484339
public boolean isSatisfiedBy(Object candidate){
1700484340
1700484341
return left.isSatisfiedBy(candidate)&& right.isSatisfiedBy(candidate);
1700484342
1700484343
}
1700484344
1700484345
}
1700484346
1700484347
代码清单37-25 或规格书
1700484348
1700484349
public class OrSpecification extends CompositeSpecification{
1700484350
1700484351
//左右两个规格书
1700484352
1700484353
private ISpecification left;
1700484354
1700484355
private ISpecification right;
1700484356
1700484357
public OrSpecification(ISpecification_left,ISpecification_right){
1700484358
1700484359
this.left=_left;
1700484360
1700484361
this.right=_right;
1700484362
1700484363
}
1700484364
1700484365
//or运算
1700484366
1700484367
@Override
1700484368
1700484369
public boolean isSatisfiedBy(Object candidate){
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