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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef __com_sun_star_io_ObjectInputStream_idl__
#define __com_sun_star_io_ObjectInputStream_idl__
#include <com/sun/star/io/XObjectInputStream.idl>
#include <com/sun/star/io/XActiveDataSink.idl>
#include <com/sun/star/io/XConnectable.idl>
#include <com/sun/star/io/XMarkableStream.idl>
module com { module sun { module star { module io {
/** is a stream which allows reading the data of persistent objects.
<p>Implementations of this service must fulfill the specifications of the
DataInputStream service. It must be chained to an
XMarkableStream. Therefore, it provides the
XMarkableStream interface, and delegates the calls to the
chained object. </p>
<p>The written objects are held until this instance is destroyed.
The references to the objects are read as four-byte integers.
Data format reads:</p>
<pre>
short InfoLength
long ObjectReference // 0 indicates no object
UTF ServiceName // length of 0 indicates this is only a reference
long ObjectLength // 0 if it is a reference or no object, otherwise the len of the object data
Object ObjectData // the data of the object
... // skipping additional data
</pre>
@note
<ul>
<li>-thread safe</li>
<li>-allow buffer size is 2 ^ 31 -1</li>
<li>-maximum object reference identifier must be the number of objects. </li>
<li>-object reference identifier 0 indicates no object</li>
<li>-skip addition data</li>
<li>-set the stream position behind the object data</li>
</ul>
*/
published service ObjectInputStream
{
/** allows to read the data from the stream.
*/
interface com::sun::star::io::XObjectInputStream;
/** allows to set the underlying inputstream */
interface com::sun::star::io::XActiveDataSink;
/** allows to navigate via a chain of streams */
interface com::sun::star::io::XConnectable;
/** allows to set marks within the stream. The implementation
may forward calls to this interface to a chained markablestream. */
interface com::sun::star::io::XMarkableStream;
};
}; }; }; };
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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