/** INTERNAL: Process the primary key join columms for this accessors annotated element. */
protected List<PrimaryKeyJoinColumnMetadata> processPrimaryKeyJoinColumns(
PrimaryKeyJoinColumnsMetadata primaryKeyJoinColumns) {
// If the primary key join columns were not specified (that is empty),
// this call will add any defaulted columns as necessary.
List<PrimaryKeyJoinColumnMetadata> pkJoinColumns = primaryKeyJoinColumns.values(m_descriptor);
if (m_descriptor.hasCompositePrimaryKey()) {
// Validate the number of primary key fields defined.
if (pkJoinColumns.size() != m_descriptor.getPrimaryKeyFields().size()) {
throw ValidationException.incompletePrimaryKeyJoinColumnsSpecified(getAnnotatedElement());
}
// All the primary and foreign key field names should be specified.
for (PrimaryKeyJoinColumnMetadata pkJoinColumn : pkJoinColumns) {
if (pkJoinColumn.isPrimaryKeyFieldNotSpecified()
|| pkJoinColumn.isForeignKeyFieldNotSpecified()) {
throw ValidationException.incompletePrimaryKeyJoinColumnsSpecified(getAnnotatedElement());
}
}
} else {
if (pkJoinColumns.size() > 1) {
throw ValidationException.excessivePrimaryKeyJoinColumnsSpecified(getAnnotatedElement());
}
}
return pkJoinColumns;
}
