package foundation.data.loader;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import foundation.action.ActionMeta;
import foundation.action.WorkStep;
import foundation.action.WorkflowDispatcher;
import foundation.dao.OrderBy;
import foundation.data.entity.Entity;
import foundation.data.entity.EntitySet;
import foundation.data.object.DataObject;
import foundation.server.Initializer;

public class WorkflowLoader extends Initializer {
	
	protected static Logger logger;
	
	static {
		logger = LogManager.getLogger(WorkflowLoader.class);
	}

	@Override
	public void startUp() throws Exception {
		load();		
	}

	@Override
	public void shutDown() throws Exception {
		
	}
	
	private void load() throws Exception {
		//1. 加载标准 action
		loadActions();
		
		//2. 加载 work flow
		loadWorkflows();
	}

	private void loadActions() throws Exception {
		DataObject dataObject = DataObject.getInstance("sys_act_action");
		EntitySet entitySet = dataObject.getTableEntitySet(new OrderBy("provider_name"));
		
		for (Entity entity: entitySet) {
			ActionMeta actionMeta = new ActionMeta();
			actionMeta.load(entity);
			
			WorkflowDispatcher.registerOneAction(actionMeta);
		}
	}

	private void loadWorkflows() throws Exception {
		DataObject dataObject = DataObject.getInstance("sys_act_workflow");
		EntitySet entitySet = dataObject.getTableEntitySet(new OrderBy("data_name, order_no"));
		
		for (Entity entity: entitySet) {
			WorkStep step = new WorkStep();
			step.load(entity);
			WorkflowDispatcher.registerOneStep(step);
		}
	}

}