EJBObject (Java EE 5 SDK)

Java

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Java EE 5 SDK

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javax.ejb Interface EJBObject

所有父接口:
Remote
所有已知子接口:
Management
public interface EJBObject
extends Remote

The EJBObject interface is extended by all enterprise Beans' remote interfaces. An enterprise Bean's remote interface provides the remote client view of an EJB object. An enterprise Bean's remote interface defines the business methods callable by a remote client.

The remote interface must extend the javax.ejb.EJBObject interface, and define the enterprise Bean specific business methods.

The enterprise Bean's remote interface is defined by the enterprise Bean provider and implemented by the enterprise Bean container.

方法摘要
 EJBHome getEJBHome()
          Obtain the enterprise Bean's remote home interface.
 Handle getHandle()
          Obtain a handle for the EJB object.
 Object getPrimaryKey()
          Obtain the primary key of the EJB object.
 boolean isIdentical(EJBObject obj)
          Test if a given EJB object is identical to the invoked EJB object.
 void remove()
          Remove the EJB object.
 

方法详细信息

getEJBHome

EJBHome getEJBHome()
                   throws RemoteException
Obtain the enterprise Bean's remote home interface. The remote home interface defines the enterprise Bean's create, finder, remove, and home business methods.

返回:
A reference to the enterprise Bean's home interface.
抛出异常:
RemoteException - Thrown when the method failed due to a system-level failure.

getPrimaryKey

Object getPrimaryKey()
                     throws RemoteException
Obtain the primary key of the EJB object.

This method can be called on an entity bean. An attempt to invoke this method on a session bean will result in RemoteException.

返回:
The EJB object's primary key.
抛出异常:
RemoteException - Thrown when the method failed due to a system-level failure or when invoked on a session bean.

remove

void remove()
            throws RemoteException,
                   RemoveException
Remove the EJB object.

抛出异常:
RemoteException - Thrown when the method failed due to a system-level failure.
RemoveException - The enterprise Bean or the container does not allow destruction of the object.

getHandle

Handle getHandle()
                 throws RemoteException
Obtain a handle for the EJB object. The handle can be used at later time to re-obtain a reference to the EJB object, possibly in a different Java Virtual Machine.

返回:
A handle for the EJB object.
抛出异常:
RemoteException - Thrown when the method failed due to a system-level failure.

isIdentical

boolean isIdentical(EJBObject obj)
                    throws RemoteException
Test if a given EJB object is identical to the invoked EJB object.

参数:
obj - An object to test for identity with the invoked object.
返回:
True if the given EJB object is identical to the invoked object, false otherwise.
抛出异常:
RemoteException - Thrown when the method failed due to a system-level failure.
概述  软件包   类  树  已过时  索引  帮助 
Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.
 上一个类   下一个类 框架    无框架    
摘要: 嵌套 | 字段 | 构造器 | 方法 详细信息: 字段 | 构造器 | 方法
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