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DataObject is a data mapping model.

There is a newer version: 2.0.3

package xworker.dataObject.db;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmeta.ActionContext;
import org.xmeta.Thing;
import org.xmeta.World;

public class DDLActions {
	private static Logger logger = LoggerFactory.getLogger(DDLActions.class);
	
	/**
	 * 动作xworker.dataObject.db.DBDataObjectDDL的执行方法。
	 */
	public static void runDBDataObjectDDL(ActionContext actionContext){
		Thing self = (Thing) actionContext.get("self");
		
		logger.info("DDL: start " + self.getMetadata().getLabel() + ", path=" + self.getMetadata().getPath());
		//执行DDL
		String dataObjects = self.getStringBlankAsNull("dataObjects");
		if(dataObjects != null){
			for(String dataObject : dataObjects.split("[,]")){
				dataObject = dataObject.trim();
				if("".equals(dataObject)){
					continue;
				}
				
				Thing dbThing = World.getInstance().getThing(dataObject);
				if(dbThing != null){
					logger.info("DDL: " + dbThing.getMetadata().getPath());
					dbThing.doAction("mapping2ddl", actionContext);
				}else{
					logger.warn("DDL: DBDataObject not exists, path=" + dataObject);
				}
			}
		}
		
		//执行参考事物的DDL
		String refDBDataObjectDDL = self.getStringBlankAsNull("refDBDataObjectDDL");
		if(refDBDataObjectDDL != null){
			Thing ddlThing = World.getInstance().getThing(refDBDataObjectDDL);
			if(ddlThing != null){
				ddlThing.doAction("run", actionContext);
			}
		}
		
		//执行子事物的 DDL
		for(Thing child : self.getChilds()){
			child.doAction("run", actionContext);
		}
	}
}