gnu.CORBA.Poa

Class ForwardedServant

Implemented Interfaces:
InvokeHandler

public class ForwardedServant
extends Servant
implements InvokeHandler

A "virtual servant", delegating all invocation to the wrapped object (usually remote). Used in cases when it is necessary to handle the request forwarding.

Field Summary

ObjectImpl
ref
The reference object, handling requests.

Method Summary

String[]
_all_interfaces(POA poa, byte[] key)
Delegates to the wrapped object.
OutputStream
_invoke(String method, InputStream input, ResponseHandler handler)
Forward the call to the wrapped object.
static Servant
create(Object a_ref)
Create an instance of the forwarded servant.

Methods inherited from class org.omg.PortableServer.Servant

_all_interfaces, _default_POA, _get_delegate, _get_interface_def, _is_a, _non_existent, _object_id, _orb, _poa, _set_delegate, _this_object, _this_object

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

ref

public final ObjectImpl ref
The reference object, handling requests.

Method Details

_all_interfaces

public String[] _all_interfaces(POA poa,
                                byte[] key)
Delegates to the wrapped object.
Overrides:
_all_interfaces in interface Servant

_invoke

public OutputStream _invoke(String method,
                            InputStream input,
                            ResponseHandler handler)
            throws SystemException
Forward the call to the wrapped object.
Specified by:
_invoke in interface InvokeHandler

create

public static Servant create(Object a_ref)
Create an instance of the forwarded servant.
Parameters:
a_ref - a reference where request should be forwarded.
Returns:
a created forwarded servant or null if the parameter forwards request to itself. Returning null will force to find a right servant in one of many possible ways, depending on policies.

ForwardedServant.java -- Copyright (C) 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.