我有一个接口
@Local
public interface TestService extends Serializable
{
public void aMethod();
}
一个实现它的无状态bean。
@Stateless
public class MyappServiceBean implements TestService
{
private static final long serialVersionUID = 1L;
@Override
public void aMethod()
{
// do something...
}
}
一个托管的bean。
@ManagedBean
public class MyappBean implements Serializable
{
private static final long serialVersionUID = 1L;
@EJB
private TestService service;
...
}
同时,这个POJO。
public class TestPojo implements Serializable
{
private static final long serialVersionUID = 1L;
private final TestService service;
public TestPojo()
{
// this works
// service = (TestService) InitialContext.doLookup("java:global/myapp/MyappServiceBean");
// this works too
// service = (TestService) InitialContext.doLookup("java:global/myapp/MyappServiceBean!com.example.common.ejb.TestService");
// this works again
// service = (TestService) InitialContext.doLookup("java:app/myapp/MyappServiceBean");
// how to lookup ONLY by interface name/class ?
service = (TestService) InitialContext.doLookup("???/TestService");
}
...
}
所有东西都已经打包好了:
myapp.war
|
+ WEB-INF
|
+ lib
| |
| + common.jar
| |
| - com.example.common.ejb.TestService (@Local interface)
| |
| - com.example.common.util.TestPojo (simple pojo, must lookup)
|
+ classes
|
- com.example.myapp.ejb.MyappServiceBean (@Stateless impl)
|
- com.example.myapp.jsf.MyappBean (jsf @ManagedBean)
由于我想在不同的应用程序中使用common.jar
,因此我希望基于TestService
接口名称进行查找,就像在@ManagedBean
或@WebServlet
中注入@EJB TestService service;
一样。
如何实现这一点?