<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!-- NewPage --> <html lang="en"> <head> <!-- Generated by javadoc (version 1.7.0_45) on Thu Jan 09 22:45:25 GMT 2014 --> <title>ClassCatalog</title> <meta name="date" content="2014-01-09"> <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"><!-- if (location.href.indexOf('is-external=true') == -1) { parent.document.title="ClassCatalog"; } //--> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript> <!-- ========= START OF TOP NAVBAR ======= --> <div class="topNav"><a name="navbar_top"> <!-- --> </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow"> <!-- --> </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li>Prev Class</li> <li><a href="../../../../com/sleepycat/bind/serial/SerialBase.html" title="class in com.sleepycat.bind.serial"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?com/sleepycat/bind/serial/ClassCatalog.html" target="_top">Frames</a></li> <li><a href="ClassCatalog.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_top"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"><!-- allClassesLink = document.getElementById("allclasses_navbar_top"); if(window==top) { allClassesLink.style.display = "block"; } else { allClassesLink.style.display = "none"; } //--> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li>Nested | </li> <li>Field | </li> <li>Constr | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li>Field | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top"> <!-- --> </a></div> <!-- ========= END OF TOP NAVBAR ========= --> <!-- ======== START OF CLASS DATA ======== --> <div class="header"> <div class="subTitle">com.sleepycat.bind.serial</div> <h2 title="Interface ClassCatalog" class="title">Interface ClassCatalog</h2> </div> <div class="contentContainer"> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Known Implementing Classes:</dt> <dd><a href="../../../../com/sleepycat/bind/serial/StoredClassCatalog.html" title="class in com.sleepycat.bind.serial">StoredClassCatalog</a></dd> </dl> <hr> <br> <pre>public interface <span class="strong">ClassCatalog</span></pre> <div class="block">A catalog of class description information for use during object serialization. <p>A catalog is used to store class descriptions separately from serialized objects, to avoid redundantly stored information with each object. When serialized objects are stored in a database, a <a href="../../../../com/sleepycat/bind/serial/StoredClassCatalog.html" title="class in com.sleepycat.bind.serial"><code>StoredClassCatalog</code></a> should be used.</p> <p>This information is used for serialization of class descriptors or java.io.ObjectStreamClass objects, each of which represents a unique class format. For each unique format, a unique class ID is assigned by the catalog. The class ID can then be used in the serialization stream in place of the full class information. When used with <a href="../../../../com/sleepycat/bind/serial/SerialInput.html" title="class in com.sleepycat.bind.serial"><code>SerialInput</code></a> and <a href="../../../../com/sleepycat/bind/serial/SerialOutput.html" title="class in com.sleepycat.bind.serial"><code>SerialOutput</code></a> or any of the serial bindings, the use of the catalog is transparent to the application.</p></div> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="SerialBinding.html#evolution">Class Evolution</a></dd></dl> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList"> <!-- ========== METHOD SUMMARY =========== --> <ul class="blockList"> <li class="blockList"><a name="method_summary"> <!-- --> </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html#close()">close</a></strong>()</code> <div class="block">Close a catalog database and release any cached resources.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.io.ObjectStreamClass</code></td> <td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html#getClassFormat(byte[])">getClassFormat</a></strong>(byte[] classID)</code> <div class="block">Return the ObjectStreamClass for the given class ID.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>byte[]</code></td> <td class="colLast"><code><strong><a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html#getClassID(java.io.ObjectStreamClass)">getClassID</a></strong>(java.io.ObjectStreamClass classDesc)</code> <div class="block">Return the class ID for the current version of the given class description.</div> </td> </tr> </table> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList"> <!-- ============ METHOD DETAIL ========== --> <ul class="blockList"> <li class="blockList"><a name="method_detail"> <!-- --> </a> <h3>Method Detail</h3> <a name="close()"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>close</h4> <pre>void close() throws <a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a></pre> <div class="block">Close a catalog database and release any cached resources.</div> <dl><dt><span class="strong">Throws:</span></dt> <dd><code><a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a></code></dd></dl> </li> </ul> <a name="getClassID(java.io.ObjectStreamClass)"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>getClassID</h4> <pre>byte[] getClassID(java.io.ObjectStreamClass classDesc) throws <a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a>, java.lang.ClassNotFoundException</pre> <div class="block">Return the class ID for the current version of the given class description. This is used for storing in serialization streams in place of a full class descriptor, since it is much more compact. To get back the ObjectStreamClass for a class ID, call <a href="../../../../com/sleepycat/bind/serial/ClassCatalog.html#getClassFormat(byte[])"><code>getClassFormat(byte[])</code></a>. This function causes a new class ID to be assigned if the class description has changed.</div> <dl><dt><span class="strong">Parameters:</span></dt><dd><code>classDesc</code> - The class description for which to return the class ID.</dd> <dt><span class="strong">Returns:</span></dt><dd>The class ID for the current version of the class.</dd> <dt><span class="strong">Throws:</span></dt> <dd><code><a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a></code></dd> <dd><code>java.lang.ClassNotFoundException</code></dd></dl> </li> </ul> <a name="getClassFormat(byte[])"> <!-- --> </a> <ul class="blockListLast"> <li class="blockList"> <h4>getClassFormat</h4> <pre>java.io.ObjectStreamClass getClassFormat(byte[] classID) throws <a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a>, java.lang.ClassNotFoundException</pre> <div class="block">Return the ObjectStreamClass for the given class ID. This may or may not be the current class format, depending on whether the class has changed since the class ID was generated.</div> <dl><dt><span class="strong">Parameters:</span></dt><dd><code>classID</code> - The class ID for which to return the class format.</dd> <dt><span class="strong">Returns:</span></dt><dd>The class format for the given class ID, which may or may not represent the current version of the class.</dd> <dt><span class="strong">Throws:</span></dt> <dd><code><a href="../../../../com/sleepycat/db/DatabaseException.html" title="class in com.sleepycat.db">DatabaseException</a></code></dd> <dd><code>java.lang.ClassNotFoundException</code></dd></dl> </li> </ul> </li> </ul> </li> </ul> </div> </div> <!-- ========= END OF CLASS DATA ========= --> <!-- ======= START OF BOTTOM NAVBAR ====== --> <div class="bottomNav"><a name="navbar_bottom"> <!-- --> </a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow"> <!-- --> </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li>Prev Class</li> <li><a href="../../../../com/sleepycat/bind/serial/SerialBase.html" title="class in com.sleepycat.bind.serial"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?com/sleepycat/bind/serial/ClassCatalog.html" target="_top">Frames</a></li> <li><a href="ClassCatalog.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_bottom"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"><!-- allClassesLink = document.getElementById("allclasses_navbar_bottom"); if(window==top) { allClassesLink.style.display = "block"; } else { allClassesLink.style.display = "none"; } //--> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li>Nested | </li> <li>Field | </li> <li>Constr | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li>Field | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_bottom"> <!-- --> </a></div> <!-- ======== END OF BOTTOM NAVBAR ======= --> </body> </html>