public Classification newClassification(Classification original) {
if (!isReadOnly()) {
throw new IllegalStateException(
"You can only create Classifications from a persistant Version of DynamicType");
}
final ClassificationImpl newClassification = (ClassificationImpl) newClassification(true);
{
Attribute[] attributes = original.getAttributes();
for (int i = 0; i < attributes.length; i++) {
Attribute originalAttribute = attributes[i];
String attributeKey = originalAttribute.getKey();
Attribute newAttribute = newClassification.getAttribute(attributeKey);
Object defaultValue = originalAttribute.defaultValue();
Object originalValue = original.getValue(attributeKey);
if (newAttribute != null && newAttribute.getType().equals(originalAttribute.getType())) {
Object newDefaultValue = newAttribute.defaultValue();
// If the default value of the new type differs from the old one and the value is the same
// as the old default then use the new default
if (newDefaultValue != null
&& ((defaultValue == null && originalValue == null)
|| (defaultValue != null
&& originalValue != null
&& !newDefaultValue.equals(defaultValue)
&& (originalValue.equals(defaultValue))))) {
newClassification.setValue(newAttribute, newDefaultValue);
} else {
newClassification.setValue(newAttribute, newAttribute.convertValue(originalValue));
}
}
}
return newClassification;
}
}
public void commitChange(DynamicType type) {
if (!hasType(type)) {
return;
}
Collection<String> removedKeys = new ArrayList<String>();
Map<Attribute, Attribute> attributeMapping = new HashMap<Attribute, Attribute>();
for (String key : data.keySet()) {
Attribute attribute = getType().getAttribute(key);
Attribute attribute2 = type.getAttribute(key);
// key now longer availabe so remove it
if (attribute2 == null) {
removedKeys.add(key);
}
if (attribute == null) {
continue;
}
String attId = attribute.getId();
Attribute newAtt = findAttributeById(type, attId);
if (newAtt != null) {
attributeMapping.put(attribute, newAtt);
}
}
for (Attribute attribute : attributeMapping.keySet()) {
Collection<Object> convertedValues = new ArrayList<Object>();
Collection<?> valueCollection = getValues(attribute);
Attribute newAttribute = attributeMapping.get(attribute);
for (Object oldValue : valueCollection) {
Object newValue = newAttribute.convertValue(oldValue);
if (newValue != null) {
convertedValues.add(newValue);
}
}
setValues(newAttribute, convertedValues);
}
for (String key : removedKeys) {
data.remove(key);
}
this.type = type.getKey();
name = null;
}