/*
* (non-Javadoc)
* @see org.springframework.data.convert.PropertyValueProvider#getPropertyValue(org.springframework.data.mapping.PersistentProperty)
*/
public <T> T getPropertyValue(MongoPersistentProperty property) {
String expression = property.getSpelExpression();
Object value = expression != null ? evaluator.evaluate(expression) : source.get(property);
if (value == null) {
return null;
}
return readValue(value, property.getTypeInformation(), path);
}
@SuppressWarnings({"unchecked"})
protected void writePropertyInternal(Object obj, DBObject dbo, MongoPersistentProperty prop) {
if (obj == null) {
return;
}
DBObjectAccessor accessor = new DBObjectAccessor(dbo);
TypeInformation<?> valueType = ClassTypeInformation.from(obj.getClass());
TypeInformation<?> type = prop.getTypeInformation();
if (valueType.isCollectionLike()) {
DBObject collectionInternal = createCollection(asCollection(obj), prop);
accessor.put(prop, collectionInternal);
return;
}
if (valueType.isMap()) {
DBObject mapDbObj = createMap((Map<Object, Object>) obj, prop);
accessor.put(prop, mapDbObj);
return;
}
if (prop.isDbReference()) {
DBRef dbRefObj = null;
/*
* If we already have a LazyLoadingProxy, we use it's cached DBRef value instead of
* unnecessarily initializing it only to convert it to a DBRef a few instructions later.
*/
if (obj instanceof LazyLoadingProxy) {
dbRefObj = ((LazyLoadingProxy) obj).toDBRef();
}
dbRefObj = dbRefObj != null ? dbRefObj : createDBRef(obj, prop);
if (null != dbRefObj) {
accessor.put(prop, dbRefObj);
return;
}
}
/*
* If we have a LazyLoadingProxy we make sure it is initialized first.
*/
if (obj instanceof LazyLoadingProxy) {
obj = ((LazyLoadingProxy) obj).getTarget();
}
// Lookup potential custom target type
Class<?> basicTargetType = conversions.getCustomWriteTarget(obj.getClass(), null);
if (basicTargetType != null) {
accessor.put(prop, conversionService.convert(obj, basicTargetType));
return;
}
Object existingValue = accessor.get(prop);
BasicDBObject propDbObj =
existingValue instanceof BasicDBObject
? (BasicDBObject) existingValue
: new BasicDBObject();
addCustomTypeKeyIfNecessary(ClassTypeInformation.from(prop.getRawType()), obj, propDbObj);
MongoPersistentEntity<?> entity =
isSubtype(prop.getType(), obj.getClass())
? mappingContext.getPersistentEntity(obj.getClass())
: mappingContext.getPersistentEntity(type);
writeInternal(obj, propDbObj, entity);
accessor.put(prop, propDbObj);
}