m_mapKeyClass = getMetadataClass((String) getAnnotation(JPA_MAP_KEY_CLASS).getAttribute("value"));
}
// Set the map key enumerated if one is defined.
if (isAnnotationPresent(JPA_MAP_KEY_ENUMERATED)) {
m_mapKeyEnumerated = new EnumeratedMetadata(getAnnotation(JPA_MAP_KEY_ENUMERATED), this);
}
// Set the map key temporal if one is defined.
if (isAnnotationPresent(JPA_MAP_KEY_TEMPORAL)) {
m_mapKeyTemporal = new TemporalMetadata(getAnnotation(JPA_MAP_KEY_TEMPORAL), this);