Home » JPA » Metamodel » Metamodel Attributes » MapAttribute » getKeyJavaType() - JPA MapAttribute's method

getKeyJavaType() - JPA MapAttribute's method

Method
javax.persistence.metamodel.MapAttribute
Class<K> getKeyJavaType()

Return the Java type of the map key.
Returns:
Java key type
Since:
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.