read method

void read(AccessReader reader, Map data, Iterable<String>? fields)

Reads the given JSON object into the data members of this entity. *

• Application rarely needs to invoke this method.
• It is used by the plugin to initialize an entity (instantiated by
• Entity.be).
• Default: does nothing (no fields are parsed and read).
• The deriving class must override this method to read all data member
• stored in write. For example,

• void read(AccessReader reader, Map data, Iterable<String> fields) {
  

•   super.read(reader, data, fields);
  

•   someData = data["someData"];
  

•   someEntity = reader.entity(SomeType, data["someEntity"]);
  

•   someDateTime = reader.dateTime(data["someDateTime"]);
  

• }
  

• As shown, you can use utilities in reader to convert Entity
• and DateTime.
• • fields - the fields being loaded. If null, it means all fields.
• In general, you can ignore this argument (but use data instead).

Implementation

void read(AccessReader reader, Map data, Iterable<String>? fields) {
}