Google Git
Sign in
apache / cayenne-website / 0af753b3ec346c0432aa26fe6065228badfd46ed / . / docs / 3.0 / api / org / apache / cayenne / exp / TraversalHandler.html
blob: a4c975a71bdad4c768b0db901c5cc27acb253fef [file] [log] [blame]
<!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 1.6.0_24) on Sat Jun 11 11:32:57 EEST 2011 -->
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<TITLE>
TraversalHandler (Cayenne Documentation 3.0.2 API)
</TITLE>
<META NAME="date" CONTENT="2011-06-11">
<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style">
<SCRIPT type="text/javascript">
function windowTitle()
{
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="TraversalHandler (Cayenne Documentation 3.0.2 API)";
}
}
</SCRIPT>
<NOSCRIPT>
</NOSCRIPT>
</HEAD>
<BODY BGCOLOR="white" onload="windowTitle();">
<HR>
<!-- ========= 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=2 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>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/TraversalHandler.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/apache/cayenne/exp/ExpressionParameter.html" title="class in org.apache.cayenne.exp"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/apache/cayenne/exp/TraversalHelper.html" title="class in org.apache.cayenne.exp"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../index.html?org/apache/cayenne/exp/TraversalHandler.html" target="_top"><B>FRAMES</B></A> &nbsp;
&nbsp;<A HREF="TraversalHandler.html" target="_top"><B>NO FRAMES</B></A> &nbsp;
&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<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.apache.cayenne.exp</FONT>
<BR>
Interface TraversalHandler</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/cayenne/dba/db2/DB2QualifierTranslator.html" title="class in org.apache.cayenne.dba.db2">DB2QualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/dba/derby/DerbyQualifierTranslator.html" title="class in org.apache.cayenne.dba.derby">DerbyQualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/dba/openbase/OpenBaseQualifierTranslator.html" title="class in org.apache.cayenne.dba.openbase">OpenBaseQualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/dba/oracle/OracleQualifierTranslator.html" title="class in org.apache.cayenne.dba.oracle">OracleQualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/dba/postgres/PostgresQualifierTranslator.html" title="class in org.apache.cayenne.dba.postgres">PostgresQualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/access/trans/QualifierTranslator.html" title="class in org.apache.cayenne.access.trans">QualifierTranslator</A>, <A HREF="../../../../org/apache/cayenne/exp/TraversalHelper.html" title="class in org.apache.cayenne.exp">TraversalHelper</A>, <A HREF="../../../../org/apache/cayenne/access/trans/TrimmingQualifierTranslator.html" title="class in org.apache.cayenne.access.trans">TrimmingQualifierTranslator</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public interface <B>TraversalHandler</B></DL>
</PRE>
<P>
Expression visitor interface. Defines callback methods invoked when
walking the expression using <A HREF="../../../../org/apache/cayenne/exp/Expression.html#traverse(org.apache.cayenne.exp.TraversalHandler)"><CODE>Expression.traverse(TraversalHandler)</CODE></A>.
<P>
<P>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/exp/TraversalHandler.html#endNode(org.apache.cayenne.exp.Expression, org.apache.cayenne.exp.Expression)">endNode</A></B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called during the traversal after an expression node children
processing is finished.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/exp/TraversalHandler.html#finishedChild(org.apache.cayenne.exp.Expression, int, boolean)">finishedChild</A></B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
int&nbsp;childIndex,
boolean&nbsp;hasMoreChildren)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called during traversal after a child of expression
has been visited.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/exp/TraversalHandler.html#objectNode(java.lang.Object, org.apache.cayenne.exp.Expression)">objectNode</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;leaf,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called during the traversal when a leaf non-expression node
is encountered.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/cayenne/exp/TraversalHandler.html#startNode(org.apache.cayenne.exp.Expression, org.apache.cayenne.exp.Expression)">startNode</A></B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Called during the traversal before an expression node children
processing is started.</TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="finishedChild(org.apache.cayenne.exp.Expression, int, boolean)"><!-- --></A><H3>
finishedChild</H3>
<PRE>
void <B>finishedChild</B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
int&nbsp;childIndex,
boolean&nbsp;hasMoreChildren)</PRE>
<DL>
<DD>Called during traversal after a child of expression
has been visited.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="startNode(org.apache.cayenne.exp.Expression, org.apache.cayenne.exp.Expression)"><!-- --></A><H3>
startNode</H3>
<PRE>
void <B>startNode</B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</PRE>
<DL>
<DD>Called during the traversal before an expression node children
processing is started.
<P>
<DD><DL>
<DT><B>Since:</B></DT>
<DD>1.1</DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="endNode(org.apache.cayenne.exp.Expression, org.apache.cayenne.exp.Expression)"><!-- --></A><H3>
endNode</H3>
<PRE>
void <B>endNode</B>(<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;node,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</PRE>
<DL>
<DD>Called during the traversal after an expression node children
processing is finished.
<P>
<DD><DL>
<DT><B>Since:</B></DT>
<DD>1.1</DD>
</DL>
</DD>
</DL>
<HR>
<A NAME="objectNode(java.lang.Object, org.apache.cayenne.exp.Expression)"><!-- --></A><H3>
objectNode</H3>
<PRE>
void <B>objectNode</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A>&nbsp;leaf,
<A HREF="../../../../org/apache/cayenne/exp/Expression.html" title="class in org.apache.cayenne.exp">Expression</A>&nbsp;parentNode)</PRE>
<DL>
<DD>Called during the traversal when a leaf non-expression node
is encountered.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_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>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/TraversalHandler.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
</TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>
<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/apache/cayenne/exp/ExpressionParameter.html" title="class in org.apache.cayenne.exp"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/apache/cayenne/exp/TraversalHelper.html" title="class in org.apache.cayenne.exp"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
<A HREF="../../../../index.html?org/apache/cayenne/exp/TraversalHandler.html" target="_top"><B>FRAMES</B></A> &nbsp;
&nbsp;<A HREF="TraversalHandler.html" target="_top"><B>NO FRAMES</B></A> &nbsp;
&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<HR>
Copyright &#169; 2001-2011 <a href="http://cayenne.apache.org/">Apache Cayenne</a>. All Rights Reserved.
</BODY>
</HTML>