--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.sql/share/classes/javax/transaction/xa/Xid.java	Tue Jan 06 13:58:24 2015 +0000
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+public interface Xid {
+
+    /**
+     * Maximum number of bytes returned by getGtrid.
+     */
+    final static int MAXGTRIDSIZE = 64;
+
+    /**
+     * Maximum number of bytes returned by getBqual.
+     */
+    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();
+}