lengthfunction.html

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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../org/geotools/filter/DefaultExpression.html" title="class in org.geotools.filter">DefaultExpression</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/filter/DefaultExpression.html#accept(org.geotools.filter.FilterVisitor)">accept</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#evaluate(java.lang.Object)">evaluate</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#getValue(org.geotools.feature.Feature)">getValue</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isAttributeExpression(short)">isAttributeExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isExpression(short)">isExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isFunctionExpression(short)">isFunctionExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isGeometryExpression(short)">isGeometryExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isLiteralExpression(short)">isLiteralExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isMathExpression(org.opengis.filter.expression.Expression)">isMathExpression</A>, <A HREF="../../../org/geotools/filter/DefaultExpression.html#isMathExpression(short)">isMathExpression</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_ExpressionAbstract"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../org/geotools/filter/expression/ExpressionAbstract.html" title="class in org.geotools.filter.expression">ExpressionAbstract</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/filter/expression/ExpressionAbstract.html#eval(org.geotools.filter.Expression, org.geotools.feature.Feature)">eval</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
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<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#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>
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&nbsp;<A NAME="methods_inherited_from_class_Expression"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/filter/Expression.html#accept(org.geotools.filter.FilterVisitor)">accept</A>, <A HREF="../../../org/geotools/filter/Expression.html#getValue(org.geotools.feature.Feature)">getValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Expression"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface Expression</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>evaluate</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="LengthFunction()"><!-- --></A><H3>
LengthFunction</H3>
<PRE>
public <B>LengthFunction</B>()</PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TD>
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<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getName</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></B></DD>
<DD>Gets the name of this function.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html#getName()">getName</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html#getName()">getName</A></CODE> in class <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the name of the function.</DL>
</DD>
</DL>
<HR>

<A NAME="setArgs(org.geotools.filter.Expression[])"><!-- --></A><H3>
setArgs</H3>
<PRE>
public void <B>setArgs</B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>[]&nbsp;args)</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></B></DD>
<DD>Since this class is heavily subclassed within the geotools toolkit 
 itself we relax the 'final' restriction of this deprecated method.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html#setArgs(org.geotools.filter.Expression[])">setArgs</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html#setArgs(org.geotools.filter.Expression[])">setArgs</A></CODE> in class <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getArgCount()"><!-- --></A><H3>
getArgCount</H3>
<PRE>
public int <B>getArgCount</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></B></DD>
<DD>Gets the number of arguments that are set.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html#getArgCount()">getArgCount</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html#getArgCount()">getArgCount</A></CODE> in class <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of args.</DL>
</DD>
</DL>
<HR>

<A NAME="getArgs()"><!-- --></A><H3>
getArgs</H3>
<PRE>
public <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>[] <B>getArgs</B>()</PRE>
<DL>
<DD><B>Description copied from class: <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></B></DD>
<DD>Since this class is heavily subclasses within the geotools toolkit 
 itself we relax the 'final' restriction of this deprecated method.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html#getArgs()">getArgs</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html#getArgs()">getArgs</A></CODE> in class <CODE><A HREF="../../../org/geotools/filter/FunctionExpressionImpl.html" title="class in org.geotools.filter">FunctionExpressionImpl</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.geotools.feature.Feature)"><!-- --></A><H3>
evaluate</H3>
<PRE>
public <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>evaluate</B>(<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>&nbsp;feature)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A></CODE></B></DD>
<DD>Evaluates the expression against an instance of <A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature"><CODE>Feature</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/Expression.html#evaluate(org.geotools.feature.Feature)">evaluate</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/filter/DefaultExpression.html#evaluate(org.geotools.feature.Feature)">evaluate</A></CODE> in class <CODE><A HREF="../../../org/geotools/filter/DefaultExpression.html" title="class in org.geotools.filter">DefaultExpression</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>feature</CODE> - Specified feature to use when returning value.
<DT><B>Returns:</B><DD>The value of this expression based on the feature.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
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