<html> <head> <title>Service ObjectInputStream</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" type="text/css" href="../../../../idl.css"> </head> <body> <div id="adc-idlref"> <a name="_top_"> </a><table class="navimain" border="0" cellpadding="3"> <tr> <td class="navimain"><a href="../module-ix.html" class="navimain">Overview</a></td> <td class="navimain"><a href="module-ix.html" class="navimain">Module</a></td> <td class="navimain"><a href="ObjectInputStream-xref.html" class="navimain">Use</a></td> <td class="navimainnone">Devguide</td> <td class="navimain"><a href="../../../../index-files/index-1.html" class="navimain">Index</a></td> </tr> </table> <table class="navisub" border="0" cellpadding="0"> <tr> <td class="navisub">Services' Summary</td> <td class="navisub"><a href="#InterfacesSummary" class="navisub">Interfaces' Summary</a></td> <td class="navisub">Properties' Summary</td> <td class="navisub">Services' Details</td> <td class="navisub"><a href="#InterfacesDetails" class="navisub">Interfaces' Details</a></td> <td class="navisub">Properties' Details</td> </tr> </table> <hr> <table border="0" width="100%" cellpadding="5" cellspacing="3" class="title-table" style="margin-bottom:6pt;"> <tr> <td><p class="namechain"><a href="../../../../module-ix.html" class="namechain">::</a> <a href="../../../module-ix.html" class="namechain">com</a> :: <a href="../../module-ix.html" class="namechain">sun</a> :: <a href="../module-ix.html" class="namechain">star</a> :: <a href="module-ix.html" class="namechain">io</a> :: </p> </td> </tr> <tr> <td class="title">service ObjectInputStream</td> </tr> <tr> <td><dl> <dt><b>Description</b></dt> <dd>is a stream which allows reading the data of persistent objects. </dd> <dd><p>Implementations of this service must fulfill the specifications of the <a href="DataInputStream.html">DataInputStream</a> service. It must be chained to an <a href="XMarkableStream.html">XMarkableStream</a>. Therefore, it provides the <a href="XMarkableStream.html">XMarkableStream</a> 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> </dd> <dt><b>Guarantees</b></dt> <dd><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> </dd> </dl> </td> </tr> </table> <hr> <a name="InterfacesSummary"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle" colspan="2">Exported Interfaces - Summary</td> </tr> <tr> <td class="imsum_left"><a href="XObjectInputStream.html">XObjectInputStream</a></td> <td class="imsum_right"><p>allows to read the data from the stream. </p> </td> </tr> <tr> <td class="imsum_left"><a href="XActiveDataSink.html">XActiveDataSink</a></td> <td class="imsum_right"><p>allows to set the underlying inputstream </p> </td> </tr> <tr> <td class="imsum_left"><a href="XConnectable.html">XConnectable</a></td> <td class="imsum_right"><p>allows to navigate via a chain of streams </p> </td> </tr> <tr> <td class="imsum_left"><a href="XMarkableStream.html">XMarkableStream</a></td> <td class="imsum_right"><p>allows to set marks within the stream. The implementation may forward calls to this interface to a chained markablestream. </p> </td> </tr> </table> <a name="InterfacesDetails"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle" colspan="2">Exported Interfaces - Details</td> </tr> <tr/> <tr> <td class="imdetail"><a name="XObjectInputStream" class="membertitle"><a href="XObjectInputStream.html">XObjectInputStream</a></a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-data" bgcolor="#ffffff" align="center"> <tr> <td><dl> <dt><b>Description</b></dt> <dd>allows to read the data from the stream. </dd> </dl> </td> </tr> </table> </td> </tr> <tr/> <tr> <td class="imdetail"><a name="XActiveDataSink" class="membertitle"><a href="XActiveDataSink.html">XActiveDataSink</a></a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-data" bgcolor="#ffffff" align="center"> <tr> <td><dl> <dt><b>Description</b></dt> <dd>allows to set the underlying inputstream </dd> </dl> </td> </tr> </table> </td> </tr> <tr/> <tr> <td class="imdetail"><a name="XConnectable" class="membertitle"><a href="XConnectable.html">XConnectable</a></a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-data" bgcolor="#ffffff" align="center"> <tr> <td><dl> <dt><b>Description</b></dt> <dd>allows to navigate via a chain of streams </dd> </dl> </td> </tr> </table> </td> </tr> <tr/> <tr> <td class="imdetail"><a name="XMarkableStream" class="membertitle"><a href="XMarkableStream.html">XMarkableStream</a></a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-data" bgcolor="#ffffff" align="center"> <tr> <td><dl> <dt><b>Description</b></dt> <dd>allows to set marks within the stream. The implementation may forward calls to this interface to a chained markablestream. </dd> </dl> </td> </tr> </table> </td> </tr> </table> <br> <a href="#_top_">Top of Page</a><hr size="3"><p class="copyright" align="center">Copyright © 2011, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.</p> </div> <!-- id="adc-idlref" --> </body> </html>
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