private static String determineNameOfPropertyToUse(
PostInsertIdentityPersister persister, String supplied) {
if (supplied != null) {
return supplied;
}
int[] naturalIdPropertyIndices = persister.getNaturalIdentifierProperties();
if (naturalIdPropertyIndices == null) {
throw new IdentifierGenerationException(
"no natural-id property defined; need to specify [key] in " + "generator parameters");
}
if (naturalIdPropertyIndices.length > 1) {
throw new IdentifierGenerationException(
"select generator does not currently support composite "
+ "natural-id properties; need to specify [key] in generator parameters");
}
ValueInclusion inclusion =
persister.getPropertyInsertGenerationInclusions()[naturalIdPropertyIndices[0]];
if (inclusion != ValueInclusion.NONE) {
throw new IdentifierGenerationException(
"natural-id also defined as insert-generated; need to specify [key] "
+ "in generator parameters");
}
return persister.getPropertyNames()[naturalIdPropertyIndices[0]];
}
