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isId() - JPA SingularAttribute's method

Method
javax.persistence.metamodel.SingularAttribute
boolean isId()

Is the attribute an id attribute. This method will return true if the attribute is an attribute that corresponds to a simple id, an embedded id, or an attribute of an id class.
Returns:
boolean indicating whether the attribute is an id
Since:
JPA 2.0
< SingularAttribute^ SingularAttributePluralAttribute >
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