* Process an one to many mapping for this accessor.
*/
protected void processOneToManyMapping() {
// Create a 1-M mapping and process common collection mapping metadata
// first followed by specific metadata.
OneToManyMapping mapping = new OneToManyMapping();
process(mapping);
// Non-owning side, process the foreign keys from the owner.
OneToOneMapping ownerMapping = null;
if (getOwningMapping(getMappedBy()).isOneToOneMapping()){
ownerMapping = (OneToOneMapping) getOwningMapping(getMappedBy());
} else {
// If improper mapping encountered, throw an exception.
throw ValidationException.invalidMapping(getJavaClass(), getReferenceClass());
}
Map<DatabaseField, DatabaseField> keys = ownerMapping.getSourceToTargetKeyFields();
for (DatabaseField fkField : keys.keySet()) {
DatabaseField pkField = keys.get(fkField);
// If we are within a table per class strategy we have to update
// the primary key field to point to our own database table.
// The extra table check is if the mapping is actually defined
// on our java class (meaning we have the right table at this
// point and can avoid the cloning)
if (getDescriptor().usesTablePerClassInheritanceStrategy() && ! pkField.getTable().equals(getDescriptor().getPrimaryTable())) {
// We need to update the pk field to be to our table.
pkField = (DatabaseField) pkField.clone();
pkField.setTable(getDescriptor().getPrimaryTable());
}
mapping.addTargetForeignKeyField(fkField, pkField);
}
}