abstractversionaction.java

羽量级数据持久层开发框架

package org.speedframework.action;

import org.speedframework.exception.SpeedFrameworkException;
import org.speedframework.message.IMessage;
import org.speedframework.sql.IVersionSQL;

import java.util.List;
import java.util.Map;

/**
 * Class AbstractVersionAction
 * 
 * @author <a href="mailto:[e-mail]"> lizf </a>
 * @version $Revision:1.0.0, $Date: 2007-10-10 1:47:53 $
 */
public abstract class AbstractVersionAction extends AbstractAction implements
		IDateBaseVersionAction {

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

		try {
			IVersionSQL vOffer = this.factory.getVersionSQL();
			String versionSql = vOffer.getSQL();

			this.result = this.resultCache.getResults(versionSql, new Object[] {},
					this.useCache);

			if (this.result == null) {
				List list = executor.select(versionSql, null);

				if (list.size() > 0) {
					this.result = ((Map) list.get(0)).get("version");
				}

				this.resultCache.putResults(versionSql, new Object[] {}, this.result,
						this.useCache);
			}
		} catch (Exception e) {
			throw new SpeedFrameworkException("AbstractVersionAction error ", e);
		}
	}
}