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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><TITLE>BTreeFiler (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.impl.xindice.core.filer.BTreeFiler class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="BTreeFiler (Project JXTA J2SE)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/BTreeFiler.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href='http://www.jxta.org' target='_blank'>Project JXTA</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.BTreeRootInfo.html" title="class in net.jxta.impl.xindice.core.filer"><B>PREV CLASS</B></A> <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/MemFiler.html" title="class in net.jxta.impl.xindice.core.filer"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="BTreeFiler.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: <A HREF="#nested_classes_inherited_from_class_net.jxta.impl.xindice.core.filer.BTree">NESTED</A> | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">net.jxta.impl.xindice.core.filer</FONT><BR>Class BTreeFiler</H2><PRE>java.lang.Object <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html" title="class in net.jxta.impl.xindice.core.filer">net.jxta.impl.xindice.core.filer.Paged</A> <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html" title="class in net.jxta.impl.xindice.core.filer">net.jxta.impl.xindice.core.filer.BTree</A> <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.impl.xindice.core.filer.BTreeFiler</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../net/jxta/impl/xindice/core/DBObject.html" title="interface in net.jxta.impl.xindice.core">DBObject</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Filer.html" title="interface in net.jxta.impl.xindice.core.filer">Filer</A>, <A HREF="../../../../../../net/jxta/impl/xindice/util/Named.html" title="interface in net.jxta.impl.xindice.util">Named</A></DD></DL><HR><DL><DT>public final class <B>BTreeFiler</B><DT>extends <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html" title="class in net.jxta.impl.xindice.core.filer">BTree</A><DT>implements <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Filer.html" title="interface in net.jxta.impl.xindice.core.filer">Filer</A></DL><P>BTreeFiler is a Filer implementation based on the BTree class.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Nested Class Summary</B></FONT></TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_net.jxta.impl.xindice.core.filer.BTree"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Nested classes inherited from class net.jxta.impl.xindice.core.filer.<A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html" title="class in net.jxta.impl.xindice.core.filer">BTree</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.BTreeFileHeader.html" title="class in net.jxta.impl.xindice.core.filer">BTree.BTreeFileHeader</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.BTreePageHeader.html" title="class in net.jxta.impl.xindice.core.filer">BTree.BTreePageHeader</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.BTreeRootInfo.html" title="class in net.jxta.impl.xindice.core.filer">BTree.BTreeRootInfo</A></CODE></TD></TR></TABLE> <A NAME="nested_classes_inherited_from_class_net.jxta.impl.xindice.core.filer.Paged"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Nested classes inherited from class net.jxta.impl.xindice.core.filer.<A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html" title="class in net.jxta.impl.xindice.core.filer">Paged</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.FileHeader.html" title="class in net.jxta.impl.xindice.core.filer">Paged.FileHeader</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.Page.html" title="class in net.jxta.impl.xindice.core.filer">Paged.Page</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.PageHeader.html" title="class in net.jxta.impl.xindice.core.filer">Paged.PageHeader</A></CODE></TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTreeFiler.html#RECORD">RECORD</A></B></CODE><BR> </TD></TR></TABLE> <A NAME="fields_inherited_from_class_net.jxta.impl.xindice.core.filer.BTree"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class net.jxta.impl.xindice.core.filer.<A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html" title="class in net.jxta.impl.xindice.core.filer">BTree</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html#BRANCH">BRANCH</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html#LEAF">LEAF</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTree.html#STREAM">STREAM</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_net.jxta.impl.xindice.core.filer.Paged"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class net.jxta.impl.xindice.core.filer.<A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html" title="class in net.jxta.impl.xindice.core.filer">Paged</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html#DELETED">DELETED</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html#NO_PAGE">NO_PAGE</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html#OVERFLOW">OVERFLOW</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html#sync">sync</A>, <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.html#UNUSED">UNUSED</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTreeFiler.html#BTreeFiler()">BTreeFiler</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTreeFiler.html#create()">create</A></B>()</CODE><BR> create creates a new DBObject and any associated resources for the new DBObject, such as disk files, etc.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../../net/jxta/impl/xindice/core/filer/Paged.FileHeader.html" title="class in net.jxta.impl.xindice.core.filer">Paged.FileHeader</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../net/jxta/impl/xindice/core/filer/BTreeFiler.html#createFileHeader()">createFileHeader</A></B>()</CODE><BR> createFileHeader must be implemented by a Paged implementation in order to create an appropriate subclass instance of a FileHeader.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">⌨️ 快捷键说明
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