package foundation.data.rule;

import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;
import foundation.server.Initializer;

public class GlobalDefaultValueLoader extends Initializer {

	private static GlobalDefaultValueLoader instance;
	
	private GlobalDefaultValueLoader() {
		
	}
	
	public static synchronized GlobalDefaultValueLoader getInstance() {
		if (instance == null) {
			instance = new GlobalDefaultValueLoader();
		}
		
		return instance;
	}
	
	@Override
	public void startUp() throws Exception {
		load();
	}

	private void load() throws Exception {
		DataObject dataObject = DataObject.getInstance("sys_auto_value");
		EntitySet entitySet = dataObject.getTableEntitySet();
		
		for (Entity entity: entitySet) {
			 GlobalDefaultValueTemplate template = new GlobalDefaultValueTemplate();
			 template.load(entity);
			
			 FieldRules.loadOneGlobalDefaultValueTemplate(template);
		}
	}

	@Override
	public void shutDown() throws Exception {
		
	}

}