Crate_Helper.java

package ;


  // import configuration classes

import config.*;


public class Crate_Helper {

  static public Crate get(config.Configuration db, config.ConfigObject obj) {
    if(obj == null) { return null; }
    Crate_Impl o = (Crate_Impl)db.get("Crate", obj);
    if(o == null) {
      o = new Crate_Impl(db, obj);
      db.add("Crate", obj.UID(), o);
    }
    return o;
  }


  static public Crate get(config.Configuration db, String id) {
      // check the object is already in cache
    Crate o = (Crate)db.get("Crate", id);
    if(o != null) return o;

      // check the object exists and get it from database
    config.ConfigObject obj = db.get_object("Crate", id);
    return get(db, obj);
  }


  static public Crate[] get(config.Configuration db, config.Query query) {
    ConfigObject[] objs = db.get_objects("Crate", query);
    Crate[] result = new Crate[objs.length];
    for (int i = 0; i < objs.length; i++) {
      result[i] = get(db, objs[i]);
    }
    return result;
  }

  static public Crate create(config.Configuration db, String file, String id) {
    return get(db, db.create(file, "Crate", id));
  }

  static public Crate create(config.Configuration db, config.DalObject at, String id) {
    return get(db, db.create(at.config_object(), "Crate", id));
  }

}

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