什么是EJB组件？
Using a stateless session EJB component
使用无状态会话EJB 组件
Listing 5 contains the first sample EJB component.
清单5包含了第一个示例e JB组件。
When creating the EJB component, you match the bean with the datastore name.
当创建e JB组件时，您将bean与数据存储名称匹配起来。
Each class in the relationship model can be mapped to an entity EJB component.
关系模型中的每个类均可以映射一个实体e JB组件。
The industry-standard EJB component architecture can help achieve these goals.
符合工业标准的EJB组件体系结构有助于实现这些目标。
The stateful session EJB component implementation can likewise be very simple.
有状态会话ejb组件的实现同样可以非常简单。
An EJB component is used on the server side to represent back-end business logic.
EJ b组件是在服务端用来描绘后端业务逻辑的。
This is followed by the reversed path to the EJB component that we want to look up.
然后是到要查询的EJB组件的反转的路径。
However, EJB technology allows method-level security on any EJB component or method.
EJB技术可以在任何EJ b组件或方法上实施方法级的安全策略。
Each state in the lifecycle model can be mapped one-to-one to a session EJB component.
生命周期模型中的每个状态都可以一对一地映射到会话e JB组件。
Another possibility is to invoke an EJB component as though it were a CORBA component.
另一种可能性是调用EJB组件，就好象它是CORBA组件一样。
Step 5: Configure the EJB component for transaction management and resource references.
步骤5：为事务管理和资源引用配置EJB组件。
In turn, this bean makes a call to a second EJB component, log2Bean, on a different server.
相应地，这个bean又对位于一个不同的服务器上的第二个EJB组件log2Bean发出调用。
Can I make multiple ECI requests from an EJB component, within the same transactional scope?
在同一事务范围内，EJB组件能否发出多个ECI请求？
The EJB component starts a transaction using the UserTransaction interface provided by the JTA.
EJB组件通过使用JTA提供的接口 UserTransaction开始一个事务。
The code that will invoke the EJB component and store the data in the session scope is shown below.
下面所示的这些代码将会调用 EJB组件并将数据存储在会话范围之内。
The method of setting this will change depending on the server you use to deploy the EJB component.
设置方法将因为用于部署EJB组件的服务器不同而异。
You should be able to take the property file provided earlier and make copies for each EJB component.
您应该能够取得前面提供的属性文件，并为每个EJB组件创建该文件的一个拷贝。
The EJB component in this example USES a JNDI lookup to locate the database connection pool resource.
本例中的EJB组件使用JNDI查询来确定数据库连接池资源的位置。
It seems like you have found a good use for every EJB component type — other than stateful session beans.
似乎除了有状态会话Bean之外，您已经为所有的EJB组件类型找到了合适的用途。
Figure 19 shows a typical design of a session EJB component implementing both local and remote interfaces.
图19显示了一个实现本地和远程接口会话EJB组件的典型设计。
In order for a client program to connect to your carefully crafted EJB component, it needs several things.
为了让客户程序连接到您精心打造的EJB组件，需要几样东西。
This code sample shows how an EJB component might access a message queue resource, using connection objects.
代码样本显示了EJB组件如何使用连接对象来访问消息队列资源。
A sample EAR file with an EJB component that maintains multiple database mappings is available for download.
包含一个用于维护多种数据库映射的EJB组件的示例EAR文件可供下载。
Figure 4 shows yet another path that can be provided on top of the services implemented by an EJB component.
图4显示可以在EJ b组件所实现的服务之上提供的另一个路径。
EJB component authorization is managed and enforced in the application server where the MDM server is hosted.
EJB组件授权是在MDMServer所在的应用服务器中管理和实施的。
Any object that can be returned by an entity bean (or any other EJB component) must fulfill this requirement.
任何可以被实体bean(或任何其它EJ b组件)返回的对象都必须满足这个要求。
So, let's see how we use all these elements to successfully call methods on our EJB component from remote machines.
让我们看一看如何使用所有这些元素以成功地从远程计算机上调用我们的EJB组件上的方法。
The EJB component doesn't even realize that some of the resources are remote and managed outside the EJB container.
EJB组件甚至并不知道其中的一些资源是远程的并且是在 EJB 容器之外被管理的。
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