package foundation.data.meta.property;

import foundation.dao.Filter;
import foundation.dao.OrderBy;
import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;

public class PropertysLoader {

	private DataObject dataObject;
	
	public PropertysLoader(DataObject dataObject) {
		this.dataObject = dataObject;
	}

	public void load(SystemMetasBucket metasBucket) throws Exception {
		//0. SystemMetasBucket中保存了全量、场景、权限的Property配置
		//1. 清空历史数据
		metasBucket.clear();
		
		//2. 加载数据库
		DataObject propertyObject = DataObject.getInstance("sys_data_property");
		Filter filter = new Filter("dataName", dataObject.getDataName());
		EntitySet entitySet = propertyObject.getTableEntitySet(filter, new OrderBy("scene_code, capacity_code"));
		
		//3. 加载到内存
		for (Entity entity: entitySet) {
			Property meta = new Property();
			meta.load(entity);
			
			metasBucket.loadOne(meta);
		}
		
		//4. build
		metasBucket.build();
	}

}