addressdao.java

来自「使用struts2及Spring框架对数据库表进行增删改查操作」· Java 代码 · 共 30 行

package crud.dao;

import crud.model.Address;
import java.util.List;


/**
 * Data Access Object (DAO) interface for persistence of
 * {@link crud.model.Address} objects.
 *
 * @author <a href="mailto:[e-mail]/">R. Kevin Cole</a>
 */
public interface AddressDao 
{
	/**	read an address from the data store.
	 *  @param	addr	this is used as a "find-by-example" bean.
	 */
	List getAddress( Address addr );

	/**	create or update an address in the data store.
     *  @param addr  this address will be created if it not already there.
	 */
	void updateAddress( Address addr );

	/**	delete an Address in the data store.
	 *  @return	the number of affected records.
	 */
	int deleteAddress( Address addr );
}