| /* |
| * Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.transaction.xa; |
| |
| /** |
| * The Xid interface is a Java mapping of the X/Open transaction identifier |
| * XID structure. This interface specifies three accessor methods to |
| * retrieve a global transaction format ID, global transaction ID, |
| * and branch qualifier. The Xid interface is used by the transaction |
| * manager and the resource managers. This interface is not visible to |
| * the application programs. |
| * |
| * @since 1.4 |
| */ |
| public interface Xid { |
| |
| /** |
| * Maximum number of bytes returned by {@link #getGlobalTransactionId }. |
| */ |
| final static int MAXGTRIDSIZE = 64; |
| |
| /** |
| * Maximum number of bytes returned by {@link #getBranchQualifier }. |
| */ |
| final static int MAXBQUALSIZE = 64; |
| |
| /** |
| * Obtain the format identifier part of the XID. |
| * |
| * @return Format identifier. O means the OSI CCR format. |
| */ |
| int getFormatId(); |
| |
| /** |
| * Obtain the global transaction identifier part of XID as an array |
| * of bytes. |
| * |
| * @return Global transaction identifier. |
| */ |
| byte[] getGlobalTransactionId(); |
| |
| /** |
| * Obtain the transaction branch identifier part of XID as an array |
| * of bytes. |
| * |
| * @return Global transaction identifier. |
| */ |
| byte[] getBranchQualifier(); |
| } |