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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 11:36:26 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>FilterVisitor (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.filter.FilterVisitor interface"><META NAME="keywords" CONTENT="visit()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FilterVisitor (Geotools 2.3.x 2.3.2 API)";}</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/FilterVisitor.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></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/geotools/filter/FilterType.html" title="interface in org.geotools.filter"><B>PREV CLASS</B></A> <A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter"><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="FilterVisitor.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: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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">org.geotools.filter</FONT><BR>Interface FilterVisitor</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/geotools/filter/visitor/AbstractFilterVisitor.html" title="class in org.geotools.filter.visitor">AbstractFilterVisitor</A>, <A HREF="../../../org/geotools/renderer/lite/BoundsExtractor.html" title="class in org.geotools.renderer.lite">BoundsExtractor</A>, <A HREF="../../../org/geotools/data/DataUtilities.AbstractFilterVisitor.html" title="class in org.geotools.data">DataUtilities.AbstractFilterVisitor</A>, <A HREF="../../../org/geotools/renderer/lite/FIDFilterFinder.html" title="class in org.geotools.renderer.lite">FIDFilterFinder</A>, <A HREF="../../../org/geotools/data/wfs/FidFilterVisitor.html" title="class in org.geotools.data.wfs">FidFilterVisitor</A>, <A HREF="../../../org/geotools/filter/FilterAttributeExtractor.html" title="class in org.geotools.filter">FilterAttributeExtractor</A>, <A HREF="../../../org/geotools/index/rtree/FilterConsumer.html" title="class in org.geotools.index.rtree">FilterConsumer</A>, <A HREF="../../../org/geotools/xml/filter/FilterEncodingPreProcessor.html" title="class in org.geotools.xml.filter">FilterEncodingPreProcessor</A>, <A HREF="../../../org/geotools/filter/FilterTransformer.FilterTranslator.html" title="class in org.geotools.filter">FilterTransformer.FilterTranslator</A>, <A HREF="../../../org/geotools/arcsde/filter/GeometryEncoderSDE.html" title="class in org.geotools.arcsde.filter">GeometryEncoderSDE</A>, <A HREF="../../../org/geotools/filter/visitor/PostPreProcessFilterSplittingVisitor.html" title="class in org.geotools.filter.visitor">PostPreProcessFilterSplittingVisitor</A>, <A HREF="../../../org/geotools/filter/visitor/PostPreProcessFilterSplittingVisitor.WFSBBoxFilterVisitor.html" title="class in org.geotools.filter.visitor">PostPreProcessFilterSplittingVisitor.WFSBBoxFilterVisitor</A>, <A HREF="../../../org/geotools/renderer/shape/ReplaceGeometryFilter.html" title="class in org.geotools.renderer.shape">ReplaceGeometryFilter</A>, <A HREF="../../../org/geotools/filter/SQLEncoder.html" title="class in org.geotools.filter">SQLEncoder</A>, <A HREF="../../../org/geotools/data/db2/filter/SQLEncoderDB2.html" title="class in org.geotools.data.db2.filter">SQLEncoderDB2</A>, <A HREF="../../../org/geotools/filter/SQLEncoderHsql.html" title="class in org.geotools.filter">SQLEncoderHsql</A>, <A HREF="../../../org/geotools/filter/SQLEncoderMySQL.html" title="class in org.geotools.filter">SQLEncoderMySQL</A>, <A HREF="../../../org/geotools/filter/SQLEncoderPostgis.html" title="class in org.geotools.filter">SQLEncoderPostgis</A>, <A HREF="../../../org/geotools/filter/SQLEncoderPostgisGeos.html" title="class in org.geotools.filter">SQLEncoderPostgisGeos</A>, <A HREF="../../../org/geotools/arcsde/filter/SQLEncoderSDE.html" title="class in org.geotools.arcsde.filter">SQLEncoderSDE</A></DD></DL><HR><B>Deprecated.</B> <I>use <CODE>FilterVisitor</CODE></I><P><DL><DT>public interface <B>FilterVisitor</B></DL><P>An interface for classes that want to perform operations on a Filter hiarachy. It forms part of a GoF Visitor Patern implementation. A call to filter.accept(FilterVisitor) will result in a call to one of the methods in this interface. The responsibility for traversing sub filters is intended to lie with the visitor (this is unusual, but permited under the Visitor pattern). A typical use would be to transcribe a filter into a specific format, e.g. XML or SQL. Alternativly it may be to extract specific infomration from the Filter strucure, for example a list of all bboxes.<P><P><DL><DT><B>Author:</B></DT> <DD>James Macgill</DD><DT><B>Module:</B></DT><DD><CODE><B>module/api</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-api/"><CODE>gt2-api.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/api/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/api/src/org/geotools/filter/FilterVisitor.java">SVN head</A>)</DD><DT><B>'TODO:'</B></DT> <DD>REVISIT: These need to throw some sort of checked exception as the implementing classes are swallowing exceptions or throwing runtime ones.</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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/filter/FilterVisitor.html#visit(org.geotools.filter.AttributeExpression)">visit</A></B>(<A HREF="../../../org/geotools/filter/AttributeExpression.html" title="interface in org.geotools.filter">AttributeExpression</A> expression)</CODE><BR> <B>Deprecated.</B> Called when accept is called on an attribute expression. </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/filter/FilterVisitor.html#visit(org.geotools.filter.BetweenFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/BetweenFilter.html" title="interface in org.geotools.filter">BetweenFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a BetweenFilter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.CompareFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/CompareFilter.html" title="interface in org.geotools.filter">CompareFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Compare Filter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.Expression)">visit</A></B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A> expression)</CODE><BR> <B>Deprecated.</B> This should never be called. </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/filter/FilterVisitor.html#visit(org.geotools.filter.FidFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/FidFilter.html" title="interface in org.geotools.filter">FidFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Fid Filter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.Filter)">visit</A></B>(<A HREF="../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on an AbstractFilter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.FunctionExpression)">visit</A></B>(<A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A> expression)</CODE><BR> <B>Deprecated.</B> Called when accept is called on an function expression.</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/filter/FilterVisitor.html#visit(org.geotools.filter.GeometryFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/GeometryFilter.html" title="interface in org.geotools.filter">GeometryFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Geometry Filter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.LikeFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/LikeFilter.html" title="interface in org.geotools.filter">LikeFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Like Filter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.LiteralExpression)">visit</A></B>(<A HREF="../../../org/geotools/filter/LiteralExpression.html" title="interface in org.geotools.filter">LiteralExpression</A> expression)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a literal expression. </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/filter/FilterVisitor.html#visit(org.geotools.filter.LogicFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/LogicFilter.html" title="interface in org.geotools.filter">LogicFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Logic Filter. </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/filter/FilterVisitor.html#visit(org.geotools.filter.MathExpression)">visit</A></B>(<A HREF="../../../org/geotools/filter/MathExpression.html" title="interface in org.geotools.filter">MathExpression</A> expression)</CODE><BR> <B>Deprecated.</B> Called when accept is called on an math expression.</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/filter/FilterVisitor.html#visit(org.geotools.filter.NullFilter)">visit</A></B>(<A HREF="../../../org/geotools/filter/NullFilter.html" title="interface in org.geotools.filter">NullFilter</A> filter)</CODE><BR> <B>Deprecated.</B> Called when accept is called on a Null Filter. </TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== -->⌨️ 快捷键说明
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