package foundation.data.rule;

import java.util.Date;

import foundation.data.entity.Entity;
import foundation.data.object.IParamProvider;
import foundation.variant.provider.DataEvent;

public class SimpleDefaultValueCreator extends FieldDefaultValueCreator {

	public SimpleDefaultValueCreator() {
		type = FieldDefaultValueType.Simple;
	}
	
	@Override
	public Object exec(DataEvent dataEvent, Entity entity, IParamProvider paramProvider) {
		Object result = null;
		
		if ("CommitTime".equalsIgnoreCase(rule)) {
			if ((DataEvent.New == dataEvent) || (DataEvent.Insert == dataEvent) || (DataEvent.Commit == dataEvent)) {
				result = new Date();
				entity.set(fieldName, result);
			}
		}
		
		return result;
	}

}