public Map<String, String> saveEntityData(String entityName, Map<String, String> fieldValues) {
Map<String, Data> oldRecord = new HashMap<String, Data>();
long id;
String oid = fieldValues.get(ID);
if (oid == null) {
// entity "insert"
Data data = new Data();
data.setAttributeName(ID);
data.setFieldValue("0");
data.setEntityId(0);
data.setEntityName(entityName);
id =
getMaxLogicalId(entityName)
+ 1; // needs to be max of logical ids in case of import foreign ids
data.setEntityId(id);
data.setFieldValue("" + id);
data = save(data);
fieldValues.put(ID, "" + id);
} else {
// entity "update"
id = Long.valueOf(oid);
List<Data> list = list(entityName, id);
for (Data data : list) {
oldRecord.put(data.getAttributeName(), data);
}
}
List<Data> adds = new ArrayList<Data>();
List<Data> deletes = new ArrayList<Data>();
for (Map.Entry<String, String> me : fieldValues.entrySet()) {
String newValue = me.getValue();
Data oldValue = oldRecord.get(me.getKey());
if (oldValue == null) {
Data newData = new Data();
newData.setAttributeName(me.getKey());
newData.setEntityId(id);
newData.setEntityName(entityName);
newData.setFieldValue("" + me.getValue());
adds.add(newData);
} else if (newValue != null && !newValue.equals(oldValue.getFieldValue())) {
oldValue.setFieldValue(newValue);
adds.add(oldValue);
}
}
for (Map.Entry<String, Data> me : oldRecord.entrySet()) {
if (fieldValues.get(me.getKey()) == null) {
deletes.add(me.getValue());
}
}
for (Data data : deletes) delete(data);
for (Data data : adds) save(data);
return fieldValues;
}
public Data mapObject(Cursor cursor) {
Data data = new Data();
data.setId(cursor.getInt(0));
data.setEntityName(cursor.getString(1));
data.setAttributeName(cursor.getString(2));
data.setEntityId(cursor.getLong(3));
data.setFieldValue(cursor.getString(4));
return data;
}