abstractselectaction.java

羽量级数据持久层开发框架

package org.speedframework.action;

import org.speedframework.entity.ParamEntity;
import org.speedframework.exception.SpeedFrameworkException;
import org.speedframework.message.IMessage;
import org.speedframework.sql.ISelectSQL;

/**
 * Class AbstractSelectAction
 * 
 * @author <a href="mailto:[e-mail]"> lizf </a>
 * @version $Revision:1.0.0, $Date: 2007-10-10 1:46:23 $
 */
public abstract class AbstractSelectAction extends AbstractAction implements
		ISelectAction {

	/*
	 * （非 Javadoc）
	 * 
	 * @see org.speedframework.action.IAction#doAction(org.speedframework.message.IMessage)
	 */
	public void doAction(IMessage message) {
		log.debug("Speed Query is GetSelect...");

		ParamEntity entity = message.getParamEntity();
		String sql = entity.getSQL();
		Object[] params = entity.getParam();
		Class vo = entity.getLoadclass();

		try {
			this.result = this.resultCache.getResults(sql, params,
					this.useCache);
			
			if (this.result == null) {
				this.result = this.executor.select(sql, params, vo);
				if(entity.getMaxResults()>0){
					ISelectSQL sOffer=this.factory.getSelectSQL();
					sOffer.setTableObject(entity);
					sql=sOffer.getLimitSQL(sql);
					params=sOffer.getQueryLimitParam(params, entity.getIndex(), entity.getMaxResults());
				}
				this.resultCache.putResults(sql, params, result, this.useCache);
			}
		} catch (SpeedFrameworkException e) {
			throw e;
		}
	}
}