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73 lines
2.4 KiB
Java
73 lines
2.4 KiB
Java
/*
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* Copyright (c) 2000, 2002, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.transaction.xa;
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/**
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* The Xid interface is a Java mapping of the X/Open transaction identifier
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* XID structure. This interface specifies three accessor methods to
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* retrieve a global transaction format ID, global transaction ID,
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* and branch qualifier. The Xid interface is used by the transaction
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* manager and the resource managers. This interface is not visible to
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* the application programs.
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*
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* @since 1.4
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*/
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public interface Xid {
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/**
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* Maximum number of bytes returned by {@link #getGlobalTransactionId }.
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*/
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static final int MAXGTRIDSIZE = 64;
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/**
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* Maximum number of bytes returned by {@link #getBranchQualifier }.
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*/
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static final int MAXBQUALSIZE = 64;
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/**
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* Obtain the format identifier part of the XID.
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*
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* @return Format identifier. O means the OSI CCR format.
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*/
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int getFormatId();
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/**
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* Obtain the global transaction identifier part of XID as an array
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* of bytes.
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*
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* @return Global transaction identifier.
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*/
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byte[] getGlobalTransactionId();
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/**
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* Obtain the transaction branch identifier part of XID as an array
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* of bytes.
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*
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* @return Global transaction identifier.
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*/
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byte[] getBranchQualifier();
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}
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