/* * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package org.omg.CORBA.portable; /** This interface provides a dispatching mechanism for an incoming call. It is invoked by the ORB to dispatch a request to a servant. */ public interface InvokeHandler { /** * Invoked by the ORB to dispatch a request to the servant. * * ORB passes the method name, an InputStream containing the * marshalled arguments, and a ResponseHandler which the servant * uses to construct a proper reply. * * Only CORBA SystemException may be thrown by this method. * * The method must return an OutputStream created by the * ResponseHandler which contains the marshalled reply. * * A servant must not retain a reference to the ResponseHandler * beyond the lifetime of a method invocation. * * Servant behaviour is defined as follows: *
1. Determine correct method, and unmarshal parameters from * InputStream. *
2. Invoke method implementation. *
3. If no user exception, create a normal reply using * ResponseHandler. *
4. If user exception occurred, create exception reply using * ResponseHandler. *
5. Marshal reply into OutputStream returned by * ResponseHandler. *
6. Return OutputStream to ORB.
*
* @param method The method name.
* @param input The InputStream
containing the marshalled arguments.
* @param handler The ResponseHandler
which the servant uses
* to construct a proper reply
* @return The OutputStream
created by the
* ResponseHandler which contains the marshalled reply
* @throws SystemException is thrown when invocation fails due to a CORBA system exception.
*/
OutputStream _invoke(String method, InputStream input,
ResponseHandler handler)
throws org.omg.CORBA.SystemException;
}