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org.omg.PortableServer

Class _ServantLocatorStub

Implemented Interfaces:
IDLEntity, Object, Serializable, ServantLocator, ServantLocatorOperations, ServantManager, ServantManagerOperations
public class _ServantLocatorStub
extends ObjectImpl
implements ServantLocator, Serializable
The ServantLocator stub is an optional base for the servant locators. This stub cannot accept remote invocations, as methods in ServantLocatorOperations take POA as one of parameters. Both JDK 1.5 API and OMG specifies that POA is a local object that must not be transferred to the remote invocation target.

You do not need to derive your servant locator from this stub, it is enough to implement the ServantLocator interface. But you may choose to do this if you need its functional _ids() method or want to keep default behavior during per- or post- invokcations.

See Also:
Serialized Form

Field Summary

static Class<T>
_opsClass
This the purpose of this field is undocumented up till 1.5 java API inclusive.

Method Summary

String[]
_ids()
Return the array of repository ids for this object, stating that it is both Servant locator and Servant manager.
void
postinvoke(byte[] Object_id, POA poa, String method, Object cookie, Servant servant)
It is your responsibility to take the postinvoke actions, if any, by overriding this method.
Servant
preinvoke(byte[] Object_id, POA poa, String method, CookieHolder cookie)
It is your responsibility to take the preinvoke actions, if any, and also supply an appropriate servant for the current invocation.

Methods inherited from class org.omg.CORBA.portable.ObjectImpl

_create_request, _create_request, _duplicate, _get_delegate, _get_domain_managers, _get_interface_def, _get_policy, _hash, _ids, _invoke, _is_a, _is_equivalent, _is_local, _non_existent, _orb, _release, _releaseReply, _request, _request, _servant_postinvoke, _servant_preinvoke, _set_delegate, _set_policy_override, equals, toString

Methods inherited from class java.lang.Object

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

Field Details

_opsClass

public static final Class<T> _opsClass
This the purpose of this field is undocumented up till 1.5 java API inclusive.

Method Details

_ids

public String[] _ids()
Return the array of repository ids for this object, stating that it is both Servant locator and Servant manager.
Overrides:
_ids in interface ObjectImpl
Returns:
{ "IDL:omg.org/PortableServer/ServantLocator:1.0", "IDL:omg.org/PortableServer/ServantManager:1.0" }, always.

postinvoke

public void postinvoke(byte[] Object_id,
                       POA poa,
                       String method,
                       Object cookie,
                       Servant servant)
It is your responsibility to take the postinvoke actions, if any, by overriding this method. The default method does nothing.
Specified by:
postinvoke in interface ServantLocatorOperations
See Also:
ServantLocatorOperations.postinvoke(byte[],POA,String,Object,Servant)

preinvoke

public Servant preinvoke(byte[] Object_id,
                         POA poa,
                         String method,
                         CookieHolder cookie)
            throws ForwardRequest
It is your responsibility to take the preinvoke actions, if any, and also supply an appropriate servant for the current invocation. The default method instructs POA that the servant cannot be provided by locator. The OBJ_ADAPTER exception will be thrown by POA, unless it uses the available default servant for all invocations.
Specified by:
preinvoke in interface ServantLocatorOperations
See Also:
ServantLocatorOperations.preinvoke(byte[],POA,String,CookieHolder)
_ServantLocatorStub.java -- Copyright (C) 2005, 2006 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.

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