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package annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Denotes the association relationship of a field.
* Used only for the UML static analyzer.
* Fields without that annotation will be treated as:
* 1. For non-list and non-array field: Single association relationship (--->)
* 2. For list and array: Multiple relationship (---> 0..*)
* Use this annotation to specify bonds and part-of relationships.
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
public @interface Assoc {
/**
* EFFECTS: Return the lower bond of the list or variable. Return 0 for nullable variables.
* Defaults to 1 (single variable, means nonnull) or 0 (list, means empty-able).
*/
int lowerBond() default 1;
/**
* EFFECTS: Return the upper bond of the list.
* Defaults to 1 (single variable) or -1 (list, means *)
* REQUIRES: For a single variable, it must return 1.
*/
int upperBond() default -1;
/**
* EFFECTS: Returns whether the field is in a part-of relationship.
* Defaults to false.
*/
boolean partOf() default false;
}
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