相关代码 |
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//: annotations/database/Constraints.java
package annotations.database;
import java.lang.annotation.*;
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
public @interface Constraints {
boolean primaryKey() default false;
boolean allowNull() default true;
boolean unique() default false;
} ///:~
相关资源 |
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