| /* |
| * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.sessions.coordination.rmi.iiop; |
| |
| import org.eclipse.persistence.sessions.coordination.Command; |
| import org.eclipse.persistence.sessions.coordination.RemoteCommandManager; |
| import org.eclipse.persistence.internal.helper.Helper; |
| import org.eclipse.persistence.internal.sessions.coordination.rmi.*; |
| import java.rmi.*; |
| import javax.rmi.PortableRemoteObject; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: The implementation for the remote RMI-IIOP object used for |
| * transporting the remote command. |
| * <p> |
| * <b>Description</b>: This implementation class is the RMI-IIOP remote object that is |
| * wrapped by the conection abstraction. It is the first point of entry of the |
| * command into the remote service. It simply hands the command to the RCM to be |
| * processed. |
| * |
| * @see org.eclipse.persistence.sessions.coordination.Command |
| * @see org.eclipse.persistence.sessions.coordination.RemoteCommandManager |
| * @since TopLink 10i |
| */ |
| public class RMIRemoteCommandConnectionImpl extends PortableRemoteObject implements RMIRemoteCommandConnection { |
| RemoteCommandManager rcm; |
| |
| public RMIRemoteCommandConnectionImpl(RemoteCommandManager rcm) throws RemoteException { |
| super(); |
| this.rcm = rcm; |
| } |
| |
| /** |
| * INTERNAL: |
| * No support currently exists for returning the result of the command execution. |
| * Currently only null is returned on success. On failure an error string is |
| * returned (to avoid returning an object/exception that may not exist on the |
| * sending side). |
| */ |
| @Override |
| public Object executeCommand(Command command) throws RemoteException { |
| try { |
| rcm.processCommandFromRemoteConnection(command); |
| } catch (Exception e) { |
| // Log the problem |
| Object[] args = { Helper.getShortClassName(command), Helper.printStackTraceToString(e) }; |
| rcm.logDebug("error_executing_remote_command", args); |
| // Return the string in case the exception doesn't exist on the other side |
| return e.toString(); |
| } |
| |
| // Success - return null |
| return null; |
| } |
| |
| /** |
| * INTERNAL: |
| * No support currently exists for returning the result of the command execution. |
| * Currently only null is returned on success. On failure an error string is |
| * returned (to avoid returning an object/exception that may not exist on the |
| * sending side). |
| */ |
| @Override |
| public Object executeCommand(byte[] command) throws RemoteException { |
| try { |
| rcm.processCommandFromRemoteConnection(command); |
| } catch (Exception e) { |
| // Log the problem |
| Object[] args = { Helper.getShortClassName(command), Helper.printStackTraceToString(e) }; |
| rcm.logDebug("error_executing_remote_command", args); |
| // Return the string in case the exception doesn't exist on the other side |
| return e.toString(); |
| } |
| |
| // Success - return null |
| return null; |
| } |
| } |