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Node (Commons JEXL 1.1-jenkins-20111212 API)
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<FONT SIZE="-1">
org.apache.commons.jexl.parser</FONT>
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Interface Node</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/commons/jexl/parser/ASTAddNode.html" title="class in org.apache.commons.jexl.parser">ASTAddNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTAndNode.html" title="class in org.apache.commons.jexl.parser">ASTAndNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTArrayAccess.html" title="class in org.apache.commons.jexl.parser">ASTArrayAccess</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTArrayLiteral.html" title="class in org.apache.commons.jexl.parser">ASTArrayLiteral</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTAssignment.html" title="class in org.apache.commons.jexl.parser">ASTAssignment</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTBitwiseAndNode.html" title="class in org.apache.commons.jexl.parser">ASTBitwiseAndNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTBitwiseComplNode.html" title="class in org.apache.commons.jexl.parser">ASTBitwiseComplNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTBitwiseOrNode.html" title="class in org.apache.commons.jexl.parser">ASTBitwiseOrNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTBitwiseXorNode.html" title="class in org.apache.commons.jexl.parser">ASTBitwiseXorNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTBlock.html" title="class in org.apache.commons.jexl.parser">ASTBlock</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTDivNode.html" title="class in org.apache.commons.jexl.parser">ASTDivNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTElvisNode.html" title="class in org.apache.commons.jexl.parser">ASTElvisNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTEmptyFunction.html" title="class in org.apache.commons.jexl.parser">ASTEmptyFunction</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTEQNode.html" title="class in org.apache.commons.jexl.parser">ASTEQNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTExpression.html" title="class in org.apache.commons.jexl.parser">ASTExpression</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTExpressionExpression.html" title="class in org.apache.commons.jexl.parser">ASTExpressionExpression</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTFalseNode.html" title="class in org.apache.commons.jexl.parser">ASTFalseNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTFloatLiteral.html" title="class in org.apache.commons.jexl.parser">ASTFloatLiteral</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTForeachStatement.html" title="class in org.apache.commons.jexl.parser">ASTForeachStatement</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTGENode.html" title="class in org.apache.commons.jexl.parser">ASTGENode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTGTNode.html" title="class in org.apache.commons.jexl.parser">ASTGTNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTIdentifier.html" title="class in org.apache.commons.jexl.parser">ASTIdentifier</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTIfStatement.html" title="class in org.apache.commons.jexl.parser">ASTIfStatement</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTIntegerLiteral.html" title="class in org.apache.commons.jexl.parser">ASTIntegerLiteral</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTJexlScript.html" title="class in org.apache.commons.jexl.parser">ASTJexlScript</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTLENode.html" title="class in org.apache.commons.jexl.parser">ASTLENode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTLTNode.html" title="class in org.apache.commons.jexl.parser">ASTLTNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTMapEntry.html" title="class in 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HREF="../../../../../org/apache/commons/jexl/parser/ASTStringLiteral.html" title="class in org.apache.commons.jexl.parser">ASTStringLiteral</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTSubtractNode.html" title="class in org.apache.commons.jexl.parser">ASTSubtractNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTTernaryNode.html" title="class in org.apache.commons.jexl.parser">ASTTernaryNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTTrueNode.html" title="class in org.apache.commons.jexl.parser">ASTTrueNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTUnaryMinusNode.html" title="class in org.apache.commons.jexl.parser">ASTUnaryMinusNode</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/ASTWhileStatement.html" title="class in org.apache.commons.jexl.parser">ASTWhileStatement</A>, <A HREF="../../../../../org/apache/commons/jexl/parser/SimpleNode.html" title="class in org.apache.commons.jexl.parser">SimpleNode</A></DD>
</DL>
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<DL>
<DT><PRE>public interface <B>Node</B></DL>
</PRE>
<P>
All AST nodes must implement this interface. It provides basic machinery for
constructing the parent and child relationships between nodes.
<P>
<P>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/jexl/parser/Node.html#jjtAccept(org.apache.commons.jexl.parser.ParserVisitor, java.lang.Object)">jjtAccept</A></B>(org.apache.commons.jexl.parser.ParserVisitor visitor,
java.lang.Object data)</CODE>
<BR>
Accept the visitor.</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/apache/commons/jexl/parser/Node.html#jjtAddChild(org.apache.commons.jexl.parser.Node, int)">jjtAddChild</A></B>(<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> n,
int i)</CODE>
<BR>
This method tells the node to add its argument to the node's list of
children.</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/apache/commons/jexl/parser/Node.html#jjtClose()">jjtClose</A></B>()</CODE>
<BR>
This method is called after all the child nodes have been added.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/jexl/parser/Node.html#jjtGetChild(int)">jjtGetChild</A></B>(int i)</CODE>
<BR>
This method returns a child node.</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/apache/commons/jexl/parser/Node.html#jjtGetNumChildren()">jjtGetNumChildren</A></B>()</CODE>
<BR>
Gets the number of children the node has.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/jexl/parser/Node.html#jjtGetParent()">jjtGetParent</A></B>()</CODE>
<BR>
Gets the parent node.</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/apache/commons/jexl/parser/Node.html#jjtOpen()">jjtOpen</A></B>()</CODE>
<BR>
This method is called after the node has been made the current node.</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/apache/commons/jexl/parser/Node.html#jjtSetParent(org.apache.commons.jexl.parser.Node)">jjtSetParent</A></B>(<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> n)</CODE>
<BR>
This pair of methods are used to inform the node of its parent.</TD>
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<P>
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<A NAME="jjtOpen()"><!-- --></A><H3>
jjtOpen</H3>
<PRE>
void <B>jjtOpen</B>()</PRE>
<DL>
<DD>This method is called after the node has been made the current node. It
indicates that child nodes can now be added to it.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="jjtClose()"><!-- --></A><H3>
jjtClose</H3>
<PRE>
void <B>jjtClose</B>()</PRE>
<DL>
<DD>This method is called after all the child nodes have been added.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="jjtSetParent(org.apache.commons.jexl.parser.Node)"><!-- --></A><H3>
jjtSetParent</H3>
<PRE>
void <B>jjtSetParent</B>(<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> n)</PRE>
<DL>
<DD>This pair of methods are used to inform the node of its parent.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>n</CODE> - the parent node.</DL>
</DD>
</DL>
<HR>
<A NAME="jjtGetParent()"><!-- --></A><H3>
jjtGetParent</H3>
<PRE>
<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> <B>jjtGetParent</B>()</PRE>
<DL>
<DD>Gets the parent node.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the parent to this node.</DL>
</DD>
</DL>
<HR>
<A NAME="jjtAddChild(org.apache.commons.jexl.parser.Node, int)"><!-- --></A><H3>
jjtAddChild</H3>
<PRE>
void <B>jjtAddChild</B>(<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> n,
int i)</PRE>
<DL>
<DD>This method tells the node to add its argument to the node's list of
children.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>n</CODE> - the child node to add<DD><CODE>i</CODE> - the index to add it at.</DL>
</DD>
</DL>
<HR>
<A NAME="jjtGetChild(int)"><!-- --></A><H3>
jjtGetChild</H3>
<PRE>
<A HREF="../../../../../org/apache/commons/jexl/parser/Node.html" title="interface in org.apache.commons.jexl.parser">Node</A> <B>jjtGetChild</B>(int i)</PRE>
<DL>
<DD>This method returns a child node. The children are numbered from zero,
left to right.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the index of the child to get.
<DT><B>Returns:</B><DD>the child at the given index.</DL>
</DD>
</DL>
<HR>
<A NAME="jjtGetNumChildren()"><!-- --></A><H3>
jjtGetNumChildren</H3>
<PRE>
int <B>jjtGetNumChildren</B>()</PRE>
<DL>
<DD>Gets the number of children the node has.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the number of children the node has.</DL>
</DD>
</DL>
<HR>
<A NAME="jjtAccept(org.apache.commons.jexl.parser.ParserVisitor, java.lang.Object)"><!-- --></A><H3>
jjtAccept</H3>
<PRE>
java.lang.Object <B>jjtAccept</B>(org.apache.commons.jexl.parser.ParserVisitor visitor,
java.lang.Object data)</PRE>
<DL>
<DD>Accept the visitor.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - arbitrary data.<DD><CODE>visitor</CODE> - the visitor.
<DT><B>Returns:</B><DD>the result of the visit.</DL>
</DD>
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