itembeanextractor_ff154d23.java

一个简单的EJB实例.用DB2连接.JSP页面.很好用.供大家学习

package salesdb.websphere_deploy.DB2UDBNT_V8_1;

/**
 * ItemBeanExtractor_ff154d23
 */
public class ItemBeanExtractor_ff154d23 extends com.ibm.ws.ejbpersistence.dataaccess.AbstractEJBExtractor {
	/**
	 * ItemBeanExtractor_ff154d23
	 */
	public ItemBeanExtractor_ff154d23() {
		int[] pkCols={1};
		setPrimaryKeyColumns(pkCols);

		int[] dataCols={1,2};
		setDataColumns(dataCols);
	}
	/**
	 * extractData
	 */
	public com.ibm.ws.ejbpersistence.cache.DataCacheEntry extractData(com.ibm.ws.ejbpersistence.dataaccess.RawBeanData dataRow) throws com.ibm.ws.ejbpersistence.utilpm.ErrorProcessingResultCollectionRow, com.ibm.ws.ejbpersistence.utilpm.PersistenceManagerInternalError {
		int[] dataColumns = getDataColumns();

		salesdb.websphere_deploy.DB2UDBNT_V8_1.ItemBeanCacheEntryImpl_ff154d23 entry=
			new salesdb.websphere_deploy.DB2UDBNT_V8_1.ItemBeanCacheEntryImpl_ff154d23();

		entry.setDataForITEMID(dataRow.getLong(dataColumns[0]), dataRow.wasNull());
		entry.setDataForNAME(dataRow.getString(dataColumns[1]));

		return entry;
	}
	/**
	 * extractPrimaryKey
	 */
	public Object extractPrimaryKey(com.ibm.ws.ejbpersistence.dataaccess.RawBeanData dataRow) throws com.ibm.ws.ejbpersistence.utilpm.ErrorProcessingResultCollectionRow, com.ibm.ws.ejbpersistence.utilpm.PersistenceManagerInternalError {
		int[] primaryKeyColumns = getPrimaryKeyColumns();

		salesdb.ItemKey key=
			new salesdb.ItemKey();

		key.itemid=new Long(dataRow.getLong(primaryKeyColumns[0]));

		return key;
	}
	/**
	 * getHomeName
	 */
	public String getHomeName() {
		return "Item";
	}
	/**
	 * getChunkLength
	 */
	public int getChunkLength() {
		return 2;
	}
}