dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.geography;
 
import foundation.dao.preload.Bucket;
import foundation.data.entity.Entity;
import foundation.json.IJSONProvider;
import foundation.json.IJSONWriter;
 
public class Province implements IJSONProvider {
 
    private String id;
    private String name;
    private Bucket<City> citys;
    
    public Province() {
        citys = new Bucket<City>();
    }
    
    public void load(Entity entity) {
        id = entity.getString("id");
        name = entity.getString("name");
    }
 
    public void loadOneCity(City city) {
        citys.loadOne(city.getId(), city);
    }
    
    public String getId() {
        return id;
    }
 
    @Override
    public void writeJSON(IJSONWriter writer) {
        writer.beginObject("province");
        writeJSONBody(writer);
        writer.endObject();        
    }
 
    public void writeJSONBody(IJSONWriter writer) {
        //1. body
        writer.write("id", id);
        writer.write("code", name);
        writer.write("name", name);
        
        //2. items
        writer.beginArray("items");
        
        for (City city: citys) {
            writer.beginObject();
            city.writeJSONBody(writer);
            writer.endObject();
        }
        
        writer.endArray();        
    }
 
}