mirror of
https://github.com/berkeleydb/libdb.git
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459 lines
16 KiB
HTML
459 lines
16 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<!--NewPage-->
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<HTML>
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<HEAD>
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<!-- Generated by javadoc (build 1.4.2_03) on Sat Apr 30 14:01:27 CEST 2011 -->
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<TITLE>
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Blob (SQLite Java Wrapper)
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</TITLE>
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<META NAME="keywords" CONTENT="SQLite.Blob class">
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<LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style">
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<SCRIPT type="text/javascript">
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function windowTitle()
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{
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parent.document.title="Blob (SQLite Java Wrapper)";
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}
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</SCRIPT>
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</HEAD>
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<BODY BGCOLOR="white" onload="windowTitle();">
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<!-- ========= START OF TOP NAVBAR ======= -->
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<A NAME="navbar_top"><!-- --></A>
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<A HREF="#skip-navbar_top" title="Skip navigation links"></A>
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<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
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<TR>
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<TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
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<A NAME="navbar_top_firstrow"><!-- --></A>
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<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
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<TR ALIGN="center" VALIGN="top">
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
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<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
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</TR>
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</TABLE>
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</TD>
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<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
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</EM>
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</TD>
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</TR>
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<TR>
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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<A HREF="../SQLite/Backup.html" title="class in SQLite"><B>PREV CLASS</B></A>
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<A HREF="../SQLite/BlobR.html" title="class in SQLite"><B>NEXT CLASS</B></A></FONT></TD>
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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<A HREF="../index.html" target="_top"><B>FRAMES</B></A>
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<A HREF="Blob.html" target="_top"><B>NO FRAMES</B></A>
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<SCRIPT type="text/javascript">
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<!--
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if(window==top) {
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document.writeln('<A HREF="../allclasses-noframe.html"><B>All Classes</B></A>');
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}
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//-->
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</SCRIPT>
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<NOSCRIPT>
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<A HREF="../allclasses-noframe.html"><B>All Classes</B></A>
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</NOSCRIPT>
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</FONT></TD>
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</TR>
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<TR>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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</TR>
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</TABLE>
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<A NAME="skip-navbar_top"></A>
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<!-- ========= END OF TOP NAVBAR ========= -->
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<HR>
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<!-- ======== START OF CLASS DATA ======== -->
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<H2>
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<FONT SIZE="-1">
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SQLite</FONT>
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<BR>
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Class Blob</H2>
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<PRE>
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<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
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<IMG SRC="../resources/inherit.gif" ALT="extended by"><B>SQLite.Blob</B>
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</PRE>
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<HR>
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<DL>
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<DT>public class <B>Blob</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL>
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<P>
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Class to represent SQLite3 3.4.0 incremental blob I/O interface.
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Note, that all native methods of this class are
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not synchronized, i.e. it is up to the caller
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to ensure that only one thread is in these
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methods at any one time.
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<P>
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<P>
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<HR>
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<P>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="field_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>private long</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#handle">handle</A></B></CODE>
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<BR>
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Internal handle for the SQLite3 blob.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#size">size</A></B></CODE>
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<BR>
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Cached size of blob, setup right after blob
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has been opened.</TD>
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</TR>
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</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../SQLite/Blob.html#Blob()">Blob</A></B>()</CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#close()">close</A></B>()</CODE>
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<BR>
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Close blob.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#finalize()">finalize</A></B>()</CODE>
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<BR>
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Destructor for object.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html" title="class or interface in java.io">InputStream</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#getInputStream()">getInputStream</A></B>()</CODE>
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<BR>
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Return InputStream for this blob</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html" title="class or interface in java.io">OutputStream</A></CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#getOutputStream()">getOutputStream</A></B>()</CODE>
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<BR>
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Return OutputStream for this blob</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>private static void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#internal_init()">internal_init</A></B>()</CODE>
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<BR>
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Internal native initializer.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>(package private) int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#read(byte[], int, int, int)">read</A></B>(byte[] b,
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int off,
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int pos,
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int len)</CODE>
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<BR>
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Internal blob read method.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>(package private) int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../SQLite/Blob.html#write(byte[], int, int, int)">write</A></B>(byte[] b,
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int off,
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int pos,
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int len)</CODE>
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<BR>
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Internal blob write method.</TD>
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</TR>
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</TABLE>
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<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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</TR>
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</TABLE>
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<P>
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<!-- ============ FIELD DETAIL =========== -->
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<A NAME="field_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=1><FONT SIZE="+2">
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<B>Field Detail</B></FONT></TD>
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</TR>
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</TABLE>
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<A NAME="handle"><!-- --></A><H3>
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handle</H3>
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<PRE>
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private long <B>handle</B></PRE>
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<DL>
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<DD>Internal handle for the SQLite3 blob.
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<P>
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<DL>
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</DL>
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</DL>
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<HR>
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<A NAME="size"><!-- --></A><H3>
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size</H3>
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<PRE>
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protected int <B>size</B></PRE>
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<DL>
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<DD>Cached size of blob, setup right after blob
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has been opened.
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<P>
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<DL>
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</DL>
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</DL>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="constructor_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=1><FONT SIZE="+2">
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<B>Constructor Detail</B></FONT></TD>
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</TR>
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</TABLE>
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<A NAME="Blob()"><!-- --></A><H3>
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Blob</H3>
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<PRE>
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public <B>Blob</B>()</PRE>
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<DL>
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</DL>
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<!-- ============ METHOD DETAIL ========== -->
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<A NAME="method_detail"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=1><FONT SIZE="+2">
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<B>Method Detail</B></FONT></TD>
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</TR>
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</TABLE>
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<A NAME="close()"><!-- --></A><H3>
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close</H3>
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<PRE>
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public void <B>close</B>()</PRE>
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<DL>
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<DD>Close blob.
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<P>
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<DD><DL>
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</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="finalize()"><!-- --></A><H3>
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finalize</H3>
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<PRE>
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protected void <B>finalize</B>()</PRE>
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<DL>
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<DD>Destructor for object.
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<P>
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<DD><DL>
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</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="getInputStream()"><!-- --></A><H3>
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getInputStream</H3>
|
||
|
|
<PRE>
|
||
|
|
public <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html" title="class or interface in java.io">InputStream</A> <B>getInputStream</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Return InputStream for this blob
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>InputStream</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="getOutputStream()"><!-- --></A><H3>
|
||
|
|
getOutputStream</H3>
|
||
|
|
<PRE>
|
||
|
|
public <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html" title="class or interface in java.io">OutputStream</A> <B>getOutputStream</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Return OutputStream for this blob
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
|
||
|
|
<DT><B>Returns:</B><DD>OutputStream</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="internal_init()"><!-- --></A><H3>
|
||
|
|
internal_init</H3>
|
||
|
|
<PRE>
|
||
|
|
private static void <B>internal_init</B>()</PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Internal native initializer.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
</DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="read(byte[], int, int, int)"><!-- --></A><H3>
|
||
|
|
read</H3>
|
||
|
|
<PRE>
|
||
|
|
int <B>read</B>(byte[] b,
|
||
|
|
int off,
|
||
|
|
int pos,
|
||
|
|
int len)
|
||
|
|
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Internal blob read method.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Parameters:</B><DD><CODE>b</CODE> - byte array to be written<DD><CODE>off</CODE> - offset into byte array<DD><CODE>pos</CODE> - offset into blob<DD><CODE>len</CODE> - length to be written
|
||
|
|
<DT><B>Returns:</B><DD>number of bytes written to blob
|
||
|
|
<DT><B>Throws:</B>
|
||
|
|
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<HR>
|
||
|
|
|
||
|
|
<A NAME="write(byte[], int, int, int)"><!-- --></A><H3>
|
||
|
|
write</H3>
|
||
|
|
<PRE>
|
||
|
|
int <B>write</B>(byte[] b,
|
||
|
|
int off,
|
||
|
|
int pos,
|
||
|
|
int len)
|
||
|
|
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
|
||
|
|
<DL>
|
||
|
|
<DD>Internal blob write method.
|
||
|
|
<P>
|
||
|
|
<DD><DL>
|
||
|
|
<DT><B>Parameters:</B><DD><CODE>b</CODE> - byte array to be written<DD><CODE>off</CODE> - offset into byte array<DD><CODE>pos</CODE> - offset into blob<DD><CODE>len</CODE> - length to be written
|
||
|
|
<DT><B>Returns:</B><DD>number of bytes written to blob
|
||
|
|
<DT><B>Throws:</B>
|
||
|
|
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE></DL>
|
||
|
|
</DD>
|
||
|
|
</DL>
|
||
|
|
<!-- ========= END OF CLASS DATA ========= -->
|
||
|
|
<HR>
|
||
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|
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|
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|
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<!-- ======= START OF BOTTOM NAVBAR ====== -->
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<A NAME="navbar_bottom"><!-- --></A>
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<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
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<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
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<TR>
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<TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
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<A NAME="navbar_bottom_firstrow"><!-- --></A>
|
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<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
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<TR ALIGN="center" VALIGN="top">
|
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD>
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<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
|
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</TR>
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</TABLE>
|
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</TD>
|
||
|
|
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
|
||
|
|
</EM>
|
||
|
|
</TD>
|
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|
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</TR>
|
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|
||
|
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<TR>
|
||
|
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
||
|
|
<A HREF="../SQLite/Backup.html" title="class in SQLite"><B>PREV CLASS</B></A>
|
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|
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<A HREF="../SQLite/BlobR.html" title="class in SQLite"><B>NEXT CLASS</B></A></FONT></TD>
|
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
|
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|
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<A HREF="../index.html" target="_top"><B>FRAMES</B></A>
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<A HREF="Blob.html" target="_top"><B>NO FRAMES</B></A>
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<SCRIPT type="text/javascript">
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<!--
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if(window==top) {
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document.writeln('<A HREF="../allclasses-noframe.html"><B>All Classes</B></A>');
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}
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//-->
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<A HREF="../allclasses-noframe.html"><B>All Classes</B></A>
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</NOSCRIPT>
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</FONT></TD>
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</TR>
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<TR>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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<small>Contact: <a HREF="mailto:chw@ch-werner.de">Christian Werner</a></small>
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