1 /* 2 * The contents of this file are subject to the terms 3 * of the Common Development and Distribution License 4 * (the License). You may not use this file except in 5 * compliance with the License. 6 * 7 * You can obtain a copy of the license at 8 * https://glassfish.dev.java.net/public/CDDLv1.0.html or 9 * glassfish/bootstrap/legal/CDDLv1.0.txt. 10 * See the License for the specific language governing 11 * permissions and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL 14 * Header Notice in each file and include the License file 15 * at glassfish/bootstrap/legal/CDDLv1.0.txt. 16 * If applicable, add the following below the CDDL Header, 17 * with the fields enclosed by brackets [] replaced by 18 * you own identifying information: 19 * "Portions Copyrighted [year] [name of copyright owner]" 20 * 21 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 22 */ 23 24 package javax.transaction.xa; 25 26 /** 27 * The Xid interface is a Java mapping of the X/Open transaction identifier 28 * XID structure. This interface specifies three accessor methods to 29 * retrieve a global transaction's format ID, global transaction ID, 30 * and branch qualifier. The Xid interface is used by the transaction 31 * manager and the resource managers. This interface is not visible to 32 * the application programs. 33 */ 34 public interface Xid { 35 36 /** 37 * Maximum number of bytes returned by getGtrid. 38 */ 39 final static int MAXGTRIDSIZE = 64; 40 41 /** 42 * Maximum number of bytes returned by getBqual. 43 */ 44 final static int MAXBQUALSIZE = 64; 45 46 /** 47 * Obtain the format identifier part of the XID. 48 * 49 * @return Format identifier. O means the OSI CCR format. 50 */ 51 int getFormatId(); 52 53 /** 54 * Obtain the global transaction identifier part of XID as an array 55 * of bytes. 56 * 57 * @return Global transaction identifier. 58 */ 59 byte[] getGlobalTransactionId(); 60 61 /** 62 * Obtain the transaction branch identifier part of XID as an array 63 * of bytes. 64 * 65 * @return Global transaction identifier. 66 */ 67 byte[] getBranchQualifier(); 68 } 69