content: /*
   * Copyright (c) 2005, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program 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 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.jdbc;
  
  import javax.transaction.xa.Xid;
  
  /**
   * Implementation of the XID interface for MySQL XA
   */
  public class MysqlXid implements Xid {
  
      int hash = 0;
  
      byte[] myBqual;
  
      int myFormatId;
  
      byte[] myGtrid;
  
      public MysqlXid(byte[] gtrid, byte[] bqual, int formatId) {
          this.myGtrid = gtrid;
          this.myBqual = bqual;
          this.myFormatId = formatId;
      }
  
      @Override
      public boolean equals(Object another) {
  
          if (another instanceof Xid) {
              Xid anotherAsXid = (Xid) another;
  
              if (this.myFormatId != anotherAsXid.getFormatId()) {
                  return false;
              }
  
              byte[] otherBqual = anotherAsXid.getBranchQualifier();
              byte[] otherGtrid = anotherAsXid.getGlobalTransactionId();
  
              if (otherGtrid != null && otherGtrid.length == this.myGtrid.length) {
                  int length = otherGtrid.length;
  
                  for (int i = 0; i < length; i++) {
                      if (otherGtrid[i] != this.myGtrid[i]) {
                          return false;
                      }
                  }
  
                  if (otherBqual != null && otherBqual.length == this.myBqual.length) {
                      length = otherBqual.length;
  
                      for (int i = 0; i < length; i++) {
                          if (otherBqual[i] != this.myBqual[i]) {
                              return false;
                          }
                      }
                  } else {
                      return false;
                  }
  
                  return true;
              }
          }
  
          return false;
      }
  
      @Override
      public byte[] getBranchQualifier() {
          return this.myBqual;
      }
  
      @Override
      public int getFormatId() {
          return this.myFormatId;
      };
  
      @Override
      public byte[] getGlobalTransactionId() {
          return this.myGtrid;
      }
  
      @Override
      public synchronized int hashCode() {
          if (this.hash == 0) {
              for (int i = 0; i < this.myGtrid.length; i++) {
                  this.hash = 33 * this.hash + this.myGtrid[i];
              }
          }
  
          return this.hash;
      }
  }
  