abstractdeleteaction.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.IDeleteSQL;
import org.speedframework.sql.ITableInfoSQL;

import java.util.List;

/**
 * Class AbstractDeleteAction
 *
 * @author <a href="mailto:[e-mail]"> lizf </a>
 * @version $Revision:1.0.0, $Date: 2007-10-10 1:41:14 $
 */
public abstract class AbstractDeleteAction extends AbstractAction implements
		IDeleteAction {

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

		String dsql;
		ParamEntity entity = message.getParamEntity();
		Object pojo = entity.getEntity();

		try {
			IDeleteSQL dOffer = this.factory.getDelSql();
			dOffer.setTableObject(pojo);			
			String[] columnCache = columnInfoCache
					.getPrimaryKeyColumnInfos(pojo);
			dOffer.setColumn(columnCache);
			if (entity.isOpenTableSchema()) {
				String tableSchema = columnInfoCache.getTableschem(pojo);
				dOffer.setTableSchema(tableSchema);				
			}
			if (columnCache == null) {
				ITableInfoSQL tOffer=this.factory.getTableInfoSQL();
				tOffer.setTableObject(pojo);
				String SQL = tOffer.getSQL();

				this.columnInfoCache.putColumnInfo(pojo, this.executor.select(
						SQL, null));
				columnCache = columnInfoCache.getPrimaryKeyColumnInfos(pojo);
			}

			dsql = dOffer.getSQL();
			
			List paramName = dOffer.getParam(dsql);
			String[][] columnType = columnInfoCache.getColumnInfoType(pojo,
					paramName);

			this.executor.delete(dsql, columnType, pojo);
			this.resultCache.removeCache(pojo, this.useCache);
		} catch (Exception e) {
			throw new SpeedFrameworkException("AbstractDeleteAction error " + e);
		}
	}
}