| /* |
| * Copyright (c) 2000, 2012, 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. |
| * |
| * 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. |
| */ |
| |
| /* @test |
| * @summary When an object is retrieved from a MarshalledObject, callbacks |
| * that were registered by objects in the graph for execution when the |
| * unmarshalling is done should get executed. This is verified by way of |
| * an exported object's stub getting unmarshalled, and then garbage |
| * collected, in which case the impl's unreferenced() method should get |
| * invoked. |
| * @author Peter Jones |
| * |
| * @build MarshalledObjectGet_Stub |
| * @run main/othervm/timeout=120 MarshalledObjectGet |
| */ |
| |
| import java.rmi.MarshalledObject; |
| import java.rmi.Remote; |
| import java.rmi.server.UnicastRemoteObject; |
| import java.rmi.server.Unreferenced; |
| |
| public class MarshalledObjectGet implements Remote, Unreferenced { |
| |
| private static final String BINDING = "MarshalledObjectGet"; |
| private static final long GC_INTERVAL = 6000; |
| private static final long TIMEOUT = 50000; |
| |
| private Object lock = new Object(); |
| private boolean unreferencedInvoked; |
| |
| public void unreferenced() { |
| System.err.println("unreferenced() method invoked"); |
| synchronized (lock) { |
| unreferencedInvoked = true; |
| lock.notify(); |
| } |
| } |
| |
| public static void main(String[] args) { |
| |
| System.err.println( |
| "\nTest to verify correction interaction of " + |
| "MarshalledObject.get and DGC registration\n"); |
| |
| /* |
| * Set the interval that RMI will request for GC latency (before RMI |
| * gets initialized and this property is read) to an unrealistically |
| * small value, so that this test shouldn't have to wait too long. |
| */ |
| System.setProperty("sun.rmi.dgc.client.gcInterval", |
| String.valueOf(GC_INTERVAL)); |
| |
| MarshalledObjectGet obj = new MarshalledObjectGet(); |
| |
| try { |
| Remote stub = UnicastRemoteObject.exportObject(obj); |
| System.err.println("exported remote object"); |
| |
| MarshalledObject mobj = new MarshalledObject(stub); |
| Remote unmarshalledStub = (Remote) mobj.get(); |
| System.err.println("unmarshalled stub from marshalled object"); |
| |
| synchronized (obj.lock) { |
| obj.unreferencedInvoked = false; |
| |
| unmarshalledStub = null; |
| System.gc(); |
| System.err.println("cleared unmarshalled stub"); |
| System.err.println("waiting for unreferenced() callback " + |
| "(SHOULD happen)..."); |
| obj.lock.wait(TIMEOUT); |
| |
| if (obj.unreferencedInvoked) { |
| // TEST PASSED |
| } else { |
| throw new RuntimeException( |
| "TEST FAILED: unrefereced() not invoked after " + |
| ((double) TIMEOUT / 1000.0) + " seconds"); |
| } |
| } |
| |
| System.err.println("TEST PASSED"); |
| |
| } catch (Exception e) { |
| if (e instanceof RuntimeException) { |
| throw (RuntimeException) e; |
| } else { |
| throw new RuntimeException( |
| "TEST FAILED: unexpected exception: " + e.toString()); |
| } |
| } finally { |
| if (obj != null) { |
| try { |
| UnicastRemoteObject.unexportObject(obj, true); |
| } catch (Exception e) { |
| } |
| } |
| } |
| } |
| } |