1700484370
1700484371
return left.isSatisfiedBy(candidate)||right.isSatisfiedBy(candidate);
1700484372
1700484373
}
1700484374
1700484375
}
1700484376
1700484377
代码清单37-26 非规格书
1700484378
1700484379
public class NotSpecification extends CompositeSpecification{
1700484380
1700484381
//传递一个规格书
1700484382
1700484383
private ISpecification spec;
1700484384
1700484385
public NotSpecification(ISpecification_spec){
1700484386
1700484387
this.spec=_spec;
1700484388
1700484389
}
1700484390
1700484391
//not操作
1700484392
1700484393
@Override
1700484394
1700484395
public boolean isSatisfiedBy(Object candidate){
1700484396
1700484397
return!spec.isSatisfiedBy(candidate);
1700484398
1700484399
}
1700484400
1700484401
}
1700484402
1700484403
以上一个接口、一个抽象类、3个实现类只要在适用规格模式的地方都完全相同,不用做任何的修改,大家闭着眼照抄就成,要修改的是下面的规格书——业务规格书,如代码清单37-27所示。
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1700484405
代码清单37-27 业务规格书
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1700484407
public class BizSpecification extends CompositeSpecification{
1700484408
1700484409
//基准对象
1700484410
1700484411
private Object obj;
1700484412
1700484413
public BizSpecification(Object_obj){
1700484414
1700484415
this.obj=_obj;
1700484416
1700484417
}
1700484418
1700484419
@Override
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