content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.distributedlog.exceptions;
  
  /**
   * An exception is thrown when a log writer attempts to write a record with out-of-order transaction id.
   */
  public class TransactionIdOutOfOrderException extends DLException {
  
      private static final long serialVersionUID = -6239322552103630036L;
      // TODO: copied from DistributedLogConstants (we should think about how to separated common constants)
      public static final long INVALID_TXID = -999;
      private final long lastTxnId;
  
      public TransactionIdOutOfOrderException(long smallerTxnId, long lastTxnId) {
          super(StatusCode.TRANSACTION_OUT_OF_ORDER,
                "Received smaller txn id " + smallerTxnId + ", last txn id is " + lastTxnId);
          this.lastTxnId = lastTxnId;
      }
  
      public TransactionIdOutOfOrderException(long invalidTxnId) {
          super(StatusCode.TRANSACTION_OUT_OF_ORDER,
              "The txn id " + invalidTxnId + " is invalid and will break the sequence");
          lastTxnId = INVALID_TXID;
      }
  
      public long getLastTxnId() {
          return lastTxnId;
      }
  }
  