/* * Copyright (c) 2013-2017 Cinchapi Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.cinchapi.concourse; /** * The base class for all exceptions that happen during (staged) operations in * a transaction. * <p> * All operations that occur within a transaction should be wrapped in a * try-catch block so that transaction exceptions can be caught and the * transaction can be properly aborted. * * <pre> * try { * concourse.stage(); * concourse.get("foo", 1); * concourse.add("foo", "bar", 1); * concourse.commit(); * } * catch (TransactionException e) { * concourse.abort(); * } * </pre> * * </p> * <p> * <em>Please note that this and all descendant exceptions are unchecked for * backwards compatibility, but they may be changed to be checked in a future * API breaking release.</em> * </p> * * @author Jeff Nelson */ public class TransactionException extends RuntimeException { private static final long serialVersionUID = 1L; public TransactionException() { super("Another client has made changes to data used " + "within the current transaction, so it cannot " + "continue. Please abort the transaction and try again."); } }