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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><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:36 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>IndexedFidReader (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.data.shapefile.indexed.IndexedFidReader class"><META NAME="keywords" CONTENT="getCount()"><META NAME="keywords" CONTENT="getRemoves()"><META NAME="keywords" CONTENT="findFid()"><META NAME="keywords" CONTENT="goTo()"><META NAME="keywords" CONTENT="close()"><META NAME="keywords" CONTENT="hasNext()"><META NAME="keywords" CONTENT="next()"><META NAME="keywords" CONTENT="currentIndex()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="IndexedFidReader (Geotools 2.3.x 2.3.2 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SIZE="-1">org.geotools.data.shapefile.indexed</FONT><BR>Class IndexedFidReader</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>IndexedFidReader</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/geotools/data/FIDReader.html" title="interface in org.geotools.data">FIDReader</A></DD></DL><HR><DL><DT>public class <B>IndexedFidReader</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../org/geotools/data/FIDReader.html" title="interface in org.geotools.data">FIDReader</A></DL><P>This object reads from a file the fid of a feature in a shapefile.<P><P><DL><DT><B>Author:</B></DT> <DD>Jesse</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== 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="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#IndexedFidReader(java.lang.String, java.nio.channels.ReadableByteChannel)">IndexedFidReader</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> typeName, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels">ReadableByteChannel</A> readChannel)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#IndexedFidReader(java.lang.String, org.geotools.data.shapefile.indexed.RecordNumberTracker, java.nio.channels.ReadableByteChannel)">IndexedFidReader</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> typeName, <A HREF="../../../../../org/geotools/data/shapefile/indexed/RecordNumberTracker.html" title="interface in org.geotools.data.shapefile.indexed">RecordNumberTracker</A> reader, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels">ReadableByteChannel</A> readChannel)</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#close()">close</A></B>()</CODE><BR> Release any resources associated with this reader</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#currentIndex()">currentIndex</A></B>()</CODE><BR> Returns the record number of the feature in the shx or shp that is identified by the the last fid returned by next().</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#findFid(java.lang.String)">findFid</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> fid)</CODE><BR> Returns the offset to the location in the SHX file that the fid identifies. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#getCount()">getCount</A></B>()</CODE><BR> Returns the number of Fid Entries in the file.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#getRemoves()">getRemoves</A></B>()</CODE><BR> Returns the number of features that have been removed since the fid index was regenerated.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#goTo(long)">goTo</A></B>(long recno)</CODE><BR> move the reader to the recno-th entry in the file.</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="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#hasNext()">hasNext</A></B>()</CODE><BR> Returns whether another fid exists for this reader.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/data/shapefile/indexed/IndexedFidReader.html#next()">next</A></B>()</CODE><BR> Gets the next FID from the Reader.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/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/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="IndexedFidReader(java.lang.String, java.nio.channels.ReadableByteChannel)"><!-- --></A><H3>⌨️ 快捷键说明
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