/** add a mapping for this {@link TypeMapping}'s type and alias */
public void addMapping(final TypeMapping mapping) {
final String typeAlias = mapping.getTypeAlias();
if (StringUtils.empty(typeAlias)) {
throw new IllegalArgumentException("typeAlias must not be empty");
}
{
// put alias if unknown
final TypeMapping prev = _mappingsByAlias.putIfAbsent(typeAlias, mapping);
if (prev != null && prev != mapping) {
throw new IllegalArgumentException("duplicate type alias " + mapping.getTypeAlias());
}
}
{
// put class if unknown
final TypeMapping prev = _mappingsByClass.putIfAbsent(mapping.getTypeClass(), mapping);
if (prev != null && prev != mapping) {
_mappingsByAlias.remove(typeAlias);
throw new IllegalArgumentException(
"duplicate type class " + mapping.getTypeClass().getName());
}
}
}
