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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/org/omg/PortableServer/ServantLocatorOperations.java
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+/* ServantLocatorOperations.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. */
+
+
+package org.omg.PortableServer;
+
+import org.omg.PortableServer.ServantLocatorPackage.CookieHolder;
+
+/**
+ * Defines the operations, applicable to the {@link ServantLocator}.
+ *
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public interface ServantLocatorOperations
+ extends ServantManagerOperations
+{
+ /**
+ * If the POA has the USE_SERVANT_MANAGER and NON_RETAIN policies, it
+ * invokes this method whenever the object being requested that is not
+ * inactive. This method has access to all details of the received
+ * request and can use them to choose between servaral alternative servants.
+ * It can also forward the request to another server.
+ *
+ * @param Object_Id the id of the object, on which the request was called.
+ * @param poa the POA in those scope the object is active.
+ * @param operation the name of the method or operation being invoked.
+ * @param cookie_holder the holder where the servant manager can store
+ * an arbitrary java.lang.Object. This object will be later passed as a
+ * <code>cookie</code> parameter for {@link #postinvoke}, to create tie
+ * between preinvoke and postinvoke. The application should <i>not</i>
+ * suppose that each call of preinvoke is followed by the subsequent
+ * postinvoke for the same invocation; under multi threaded policy these
+ * calls may be intermixed.
+ *
+ * @return a servant that will serve the incoming request.
+ *
+ * @throws ForwardRequest if the locator decides to forward the request
+ * to another object. The exception contains the object that should
+ * handle this request. This object is usually remote, but can also
+ * be local. As <code>preinvoke</code> is called on each method
+ * invocation, the thrown exception will forward only this current request.
+ */
+ Servant preinvoke(byte[] Object_Id, POA poa, String operation,
+ CookieHolder cookie_holder
+ )
+ throws ForwardRequest;
+
+ /**
+ * If the POA has the USE_SERVANT_MANAGER and NON_RETAIN policies, it
+ * invokes this method whenever a servant completes a request.
+ *
+ * @param Object_Id the id of the object, on which the request was called.
+ * @param poa the POA in those scope the object is active.
+ * @param operation the name of the method or operation that was invoked.
+ * @param cookie the object that has been previously set by preinvoke in
+ * the <code>cookie_holder</code> parameter.
+ * @param servant the servant, associated with the object.
+ */
+ void postinvoke(byte[] Object_Id, POA poa, String operation,
+ java.lang.Object cookie, Servant servant
+ );
+}