package examples;
import javax.ejb.*;
import java.util.Collection;
/**
* This is the local home interface for Account. This
* interface is implemented by the EJB container's tools - the
* implemented object is called the local home object, which
* is a factory for local EJB objects.
*/
public interface AccountLocalHome extends EJBLocalHome {
/**
* We define a single create() method is in this home interface,
* which corresponds to the ejbCreate() method in AccountBean.
* This method creates the local EJB object.
*
* Notice that the local home interface returns a
* local interface, whereas the bean returns a PK.
*
* Notice we don't throw RemoteExceptions because we are
* local not remote.
*
* @param accountID The number of the account (unique)
* @param ownerName The name of the person who owns the account
* @return The newly created local object.
*/
AccountLocal create(String accountID, String ownerName) throws CreateException;
/**
* Finds an Account by its primary Key (Account ID)
*/
public AccountLocal findByPrimaryKey(AccountPK key) throws FinderException;
/**
* Finds all Accounts under an owner's name
*/
public Collection findByOwnerName(String name) throws FinderException;
/**
* This home business method is independent of any particular
* account instance. It returns the total of all the bank
* accounts in the bank.
*/
public double getTotalBankValue() throws AccountException;
}
本文详细介绍了EJB容器中AccountLocalHome接口的功能与实现方法,包括创建本地EJB对象、通过主键查找账户、按所有者名称查找账户集合以及获取银行账户总价值等业务方法。
341

被折叠的 条评论
为什么被折叠?



