| /* |
| * Copyright (c) 2010-2013 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.util; |
| |
| import org.eclipse.emf.cdo.transaction.CDOTransaction; |
| |
| import org.eclipse.net4j.util.transaction.TransactionException; |
| |
| /** |
| * A checked exception being thrown from {@link CDOTransaction#commit()} in case of commit problems such as commit conflicts. |
| * <p> |
| * This class is the root of an exception hierarchy that allows to determine and handle specific causes of commit problems: |
| * |
| * <pre> |
| CDOTransaction transaction = session.openTransaction(); |
| |
| for (;;) |
| { |
| try |
| { |
| synchronized (transaction) |
| { |
| CDOResource resource = transaction.getResource("/stock/resource1"); |
| |
| // Modify the model here... |
| |
| transaction.commit(); |
| break; |
| } |
| } |
| catch (ConcurrentAccessException ex) |
| { |
| transaction.rollback(); |
| } |
| catch (CommitException ex) |
| { |
| throw ex.wrap(); |
| } |
| } |
| * </pre> |
| * |
| * Instances of this class indicate low-level technical problems such as database or network issues. |
| * |
| * @author Eike Stepper |
| * @since 3.0 |
| * @noextend This interface is not intended to be extended by clients. |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| public class CommitException extends Exception |
| { |
| private static final long serialVersionUID = 1L; |
| |
| public CommitException() |
| { |
| } |
| |
| public CommitException(String message) |
| { |
| super(message); |
| } |
| |
| public CommitException(Throwable cause) |
| { |
| super(cause); |
| } |
| |
| public CommitException(String message, Throwable cause) |
| { |
| super(message, cause); |
| } |
| |
| /** |
| * @since 4.2 |
| */ |
| public boolean isLocal() |
| { |
| return false; |
| } |
| |
| /** |
| * @since 4.2 |
| */ |
| public TransactionException wrap() |
| { |
| return new TransactionException(this); |
| } |
| } |