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Provides a mechanism to register ORB hooks through which ORB services
can intercept the normal flow of execution of the ORB.
<h2>Interceptor Types</h2>
There are currently three types of interceptors that can be registered:
<ul>
<li>{@link org.omg.PortableInterceptor.IORInterceptor IORInterceptor} -
Used to establish tagged components in the profiles within an IOR.</li>
<li>{@link org.omg.PortableInterceptor.ClientRequestInterceptor
ClientRequestInterceptor} -
Intercepts the flow of a request/reply sequence through the ORB on
the <i>client</i> side.</li>
<li>{@link org.omg.PortableInterceptor.ServerRequestInterceptor
ServerRequestInterceptor} -
Intercepts the flow of a request/reply sequence through the ORB on
the <i>server</i> side.</li>
</ul>
See the javadocs for class <code>
{@link org.omg.PortableInterceptor.ORBInitializer ORBInitializer}</code>
for how to go about registering interceptors.
<a name="unimpl"></a>
<h2>Known limitations / unimplemented methods in package
<code>org.omg.PortableInterceptor</code></h2>
<code>
<ul>
<li>
<b>RequestInfo</b>
<ul>
<li><b>sync_scope()</b>: Always returns SYNC_WITH_TRANSPORT</li>
<li><b>arguments()</b>: Only supported for DII/DSI calls</li>
<li><b>exceptions()</b>: Only supported for DII calls on client side.
Not supported on server-side.</li>
<li><b>contexts()</b>: Only supported for DII calls on client side.
Not supported on server-side since our ORB does not send contexts.
</li>
<li><b>operation_context()</b>: Only supported for DII calls
on client side. Not supported on server-side since ORB
does not send contexts.</li>
<li><b>result()</b>: Only supported for DII/DSI calls</li>
</ul>
</li>
<li>
<b>ClientRequestInfo</b>
<ul>
<li><b>received_exception_id()</b>: Always returns null in the
DII case</li>
<li><b>get_request_policy(int type)</b>: Not implemented.</li>
</ul>
</li>
<li>
<b>ServerRequestInfo</b>
<ul>
<li><b>sending_exception()</b>: Does not support user exceptions on
the server side in non-DSI case.</li>
</ul>
</li>
</ul>
</code>
<h2>Package Specification</h2>
<P>For a precise list of supported sections of official OMG specifications with which
the Java[tm] Platform, Standard Edition 6 complies, see <A
HREF="../CORBA/doc-files/compliance.html">Official Specifications for CORBA
support in Java SE 6</A>.
@since 1.4
<br>
@serial exclude
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