Update of /cvsroot/xdoclet/xdoclet/modules/ejb/src/xdoclet/modules/ejb/lookup/resources
In directory
sc8-pr-cvs1:/tmp/cvs-serv678/modules/ejb/src/xdoclet/modules/ejb/lookup/resources
Modified Files:
lookup.xdt
Log Message:
Experimental changes for allowing stateless session beans to be proxied as local calls
without RMI. A result of the realization that SLSB is just a nuciance during
development when Hibernate is already substituting for entity beans.
Index: lookup.xdt
===================================================================
RCS file:
/cvsroot/xdoclet/xdoclet/modules/ejb/src/xdoclet/modules/ejb/lookup/resources/lookup.xdt,v
retrieving revision 1.8
retrieving revision 1.9
diff -C2 -r1.8 -r1.9
*** lookup.xdt 25 Feb 2003 23:21:04 -0000 1.8
--- lookup.xdt 5 Aug 2003 05:50:05 -0000 1.9
***************
*** 21,24 ****
--- 21,45 ----
</XDtConfig:ifConfigParamEquals>
+ private static Object lookupHome(java.util.Hashtable environment, String
jndiName, Class narrowTo) throws javax.naming.NamingException {
+ <XDtEjbUtilObj:ifNotGenerateLocalProxy>
+ // Obtain initial context
+ javax.naming.InitialContext initialContext = new
javax.naming.InitialContext(environment);
+ try {
+ Object objRef = initialContext.lookup(jndiName);
+ // only narrow if necessary
+ if (narrowTo.isInstance(java.rmi.Remote.class))
+ return javax.rmi.PortableRemoteObject.narrow(objRef, narrowTo);
+ else
+ return objRef;
+ } finally {
+ initialContext.close();
+ }
+ </XDtEjbUtilObj:ifNotGenerateLocalProxy>
+ <XDtEjbUtilObj:ifGenerateLocalProxy>
+ return
java.lang.reflect.Proxy.newProxyInstance(<XDtEjb:shortEjbName/>HomeProxy.class.getClassLoader(),
+ new Class[] {<XDtEjb:shortEjbName/>Home.class}, new
<XDtEjb:shortEjbName/>HomeProxy());
+ </XDtEjbUtilObj:ifGenerateLocalProxy>
+ }
+
// <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages"
resource="util_home_lookups"/>
***************
*** 32,55 ****
<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
if (cachedRemoteHome == null) {
! // <XDtI18n:getString
bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
! javax.naming.InitialContext initialContext = new
javax.naming.InitialContext();
! try {
! java.lang.Object objRef =
initialContext.lookup(<XDtEjbHome:homeInterface
type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
! cachedRemoteHome = (<XDtEjbHome:homeInterface type="remote"/>)
javax.rmi.PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface
type="remote"/>.class);
! } finally {
! initialContext.close();
! }
}
return cachedRemoteHome;
</XDtConfig:ifConfigParamEquals>
<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
! // <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages"
resource="util_obtain_ic"/>
! javax.naming.InitialContext initialContext = new javax.naming.InitialContext();
! try {
! java.lang.Object objRef = initialContext.lookup(<XDtEjbHome:homeInterface
type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
! return (<XDtEjbHome:homeInterface type="remote"/>)
javax.rmi.PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface
type="remote"/>.class);
! } finally {
! initialContext.close();
! }
</XDtConfig:ifConfigParamNotEquals>
}
--- 53,62 ----
<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
if (cachedRemoteHome == null) {
! cachedRemoteHome = (<XDtEjbHome:homeInterface type="remote"/>)
lookupHome(null, <XDtEjbHome:homeInterface
type="remote"/>.<XDtEjbUtilObj:lookupKind/>, <XDtEjbHome:homeInterface
type="remote"/>.class);
}
return cachedRemoteHome;
</XDtConfig:ifConfigParamEquals>
<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
! return (<XDtEjbHome:homeInterface type="remote"/>) lookupHome(null,
<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>,
<XDtEjbHome:homeInterface type="remote"/>.class);
</XDtConfig:ifConfigParamNotEquals>
}
***************
*** 62,73 ****
public static <XDtEjbHome:homeInterface type="remote"/> getHome(
java.util.Hashtable environment ) throws javax.naming.NamingException
{
! // <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages"
resource="util_obtain_ic"/>
! javax.naming.InitialContext initialContext = new
javax.naming.InitialContext(environment);
! try {
! java.lang.Object objRef = initialContext.lookup(<XDtEjbHome:homeInterface
type="remote"/>.<XDtEjbUtilObj:lookupKind/>);
! return (<XDtEjbHome:homeInterface type="remote"/>)
javax.rmi.PortableRemoteObject.narrow(objRef, <XDtEjbHome:homeInterface
type="remote"/>.class);
! } finally {
! initialContext.close();
! }
}
</XDtEjbIntf:ifRemoteEjb>
--- 69,73 ----
public static <XDtEjbHome:homeInterface type="remote"/> getHome(
java.util.Hashtable environment ) throws javax.naming.NamingException
{
! return (<XDtEjbHome:homeInterface type="remote"/>) lookupHome(environment,
<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>,
<XDtEjbHome:homeInterface type="remote"/>.class);
}
</XDtEjbIntf:ifRemoteEjb>
***************
*** 80,104 ****
public static <XDtEjbHome:homeInterface type="local"/> getLocalHome() throws
javax.naming.NamingException
{
- // <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages"
resource="util_localhome_not_narrowed"/>
<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
if (cachedLocalHome == null) {
! // <XDtI18n:getString
bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages" resource="util_obtain_ic"/>
! javax.naming.InitialContext initialContext = new
javax.naming.InitialContext();
! try {
! cachedLocalHome = (<XDtEjbHome:homeInterface type="local"/>)
initialContext.lookup(<XDtEjbHome:homeInterface
type="local"/>.<XDtEjbUtilObj:lookupKind/>);
! } finally {
! initialContext.close();
! }
}
return cachedLocalHome;
</XDtConfig:ifConfigParamEquals>
<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
! // <XDtI18n:getString bundle="xdoclet.modules.ejb.XDocletModulesEjbMessages"
resource="util_obtain_ic"/>
! javax.naming.InitialContext initialContext = new javax.naming.InitialContext();
! try {
! return (<XDtEjbHome:homeInterface type="local"/>)
initialContext.lookup(<XDtEjbHome:homeInterface
type="local"/>.<XDtEjbUtilObj:lookupKind/>);
! } finally {
! initialContext.close();
! }
</XDtConfig:ifConfigParamNotEquals>
}
--- 80,91 ----
public static <XDtEjbHome:homeInterface type="local"/> getLocalHome() throws
javax.naming.NamingException
{
<XDtConfig:ifConfigParamEquals paramName="cacheHomes" value="true">
if (cachedLocalHome == null) {
! cachedLocalHome = (<XDtEjbHome:homeInterface type="local"/>)
lookupHome(null, <XDtEjbHome:homeInterface
type="remote"/>.<XDtEjbUtilObj:lookupKind/>, <XDtEjbHome:homeInterface
type="remote"/>.class);
}
return cachedLocalHome;
</XDtConfig:ifConfigParamEquals>
<XDtConfig:ifConfigParamNotEquals paramName="cacheHomes" value="true">
! return (<XDtEjbHome:homeInterface type="local"/>) lookupHome(null,
<XDtEjbHome:homeInterface type="remote"/>.<XDtEjbUtilObj:lookupKind/>,
<XDtEjbHome:homeInterface type="remote"/>.class);
</XDtConfig:ifConfigParamNotEquals>
}
***************
*** 180,185 ****
</XDtConfig:ifConfigParamEquals>
! <XDtMerge:merge file="lookup-custom.xdt">
! </XDtMerge:merge>
!
}
--- 167,227 ----
</XDtConfig:ifConfigParamEquals>
! <XDtEjbUtilObj:ifGenerateLocalProxy>
! private static
<XDtClass:classOf><XDtEjbSession:sessionClass/></XDtClass:classOf> singleton = null;
!
! static public Object newConcreteProxyInstance() {
! if (singleton == null) {
! singleton = new
<XDtClass:classOf><XDtEjbSession:sessionClass/></XDtClass:classOf>();
! }
! return
java.lang.reflect.Proxy.newProxyInstance(singleton.getClass().getClassLoader(),
! new Class[] {<XDtEjb:shortEjbName/>.class}, new
<XDtEjb:shortEjbName/>Proxy(singleton));
! }
!
! public static class <XDtEjb:shortEjbName/>HomeProxy implements
java.lang.reflect.InvocationHandler {
! public <XDtEjb:shortEjbName/>HomeProxy() {
! }
!
! public Object invoke(Object proxy, java.lang.reflect.Method m, Object[] args)
! throws Throwable {
! if (m.getName().equals("create") && m.getParameterTypes().length == 0) {
! return newConcreteProxyInstance();
! } else {
! throw new UnsupportedOperationException(m.getName()+": only
no-argument create() method supported");
! }
! }
! }
!
! public static class <XDtEjb:shortEjbName/>Proxy implements
java.lang.reflect.InvocationHandler
! {
! Object real;
! java.util.HashMap methodMap = new java.util.HashMap();
!
! public <XDtEjb:shortEjbName/>Proxy(Object obj)
! {
! real = obj;
! }
!
! public Object invoke(Object proxy, java.lang.reflect.Method m, Object[]
args) throws Throwable
! {
! try {
! // do something
! return getMethod(m, m.getParameterTypes()).invoke(real, args);
! } catch (java.lang.reflect.InvocationTargetException e) {
! throw e.getTargetException();
! } catch (Exception e) {
! throw e;
! }
! }
!
! // this uses the method object as the key to the hash for caching our local
object methods
! private java.lang.reflect.Method getMethod(java.lang.reflect.Method m,
Class[] parameterTypes) throws NoSuchMethodException {
! java.lang.reflect.Method localMethod =
(java.lang.reflect.Method)methodMap.get(m);
! if (localMethod == null) {
! localMethod = real.getClass().getMethod(m.getName(), parameterTypes);
! methodMap.put(m, localMethod);
! }
! return localMethod;
! }
! }
! </XDtEjbUtilObj:ifGenerateLocalProxy>
}
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