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getDeclaredVersion(type) - JPA IdentifiableType's method

SingularAttribute<X,Y> getDeclaredVersion(
  Class<Y> type

Return the attribute that corresponds to the version attribute declared by the entity or mapped superclass.
type - the type of the represented declared version attribute
declared version attribute
IllegalArgumentException - if version attribute of the type is not declared in the identifiable type
JPA 2.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.