filterattributeextractor.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

 want to access the left and right geometries.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.GeometryFilter)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - The filter to visit<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.GeometryFilter)"><CODE>FilterVisitor.visit(org.geotools.filter.GeometryFilter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.LikeFilter)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/LikeFilter.html" title="interface in org.geotools.filter">LikeFilter</A>&nbsp;filter)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on a Like Filter. Implementers will want to
 access the pattern and value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LikeFilter)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - The filter to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LikeFilter)"><CODE>FilterVisitor.visit(org.geotools.filter.LikeFilter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.LogicFilter)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/LogicFilter.html" title="interface in org.geotools.filter">LogicFilter</A>&nbsp;filter)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on a Logic Filter. Implementers will want
 to access the sub filters.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LogicFilter)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - The filter to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LogicFilter)"><CODE>FilterVisitor.visit(org.geotools.filter.LogicFilter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.NullFilter)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/NullFilter.html" title="interface in org.geotools.filter">NullFilter</A>&nbsp;filter)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on a Null Filter. Implementers will want to
 access the null check.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.NullFilter)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - The filter to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.NullFilter)"><CODE>FilterVisitor.visit(org.geotools.filter.NullFilter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.FidFilter)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/FidFilter.html" title="interface in org.geotools.filter">FidFilter</A>&nbsp;filter)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on a Fid Filter. Implementers will want to
 access the fids.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.FidFilter)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filter</CODE> - The filter to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.FidFilter)"><CODE>FilterVisitor.visit(org.geotools.filter.FidFilter)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.AttributeExpression)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/AttributeExpression.html" title="interface in org.geotools.filter">AttributeExpression</A>&nbsp;expression)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on an attribute expression. Implementors
 will want to access the attribute.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.AttributeExpression)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expression</CODE> - The expression to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.AttributeExpression)"><CODE>FilterVisitor.visit(org.geotools.filter.AttributeExpression)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.Expression)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A>&nbsp;expression)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>This should never be called.  This can only happen if a subclass of
 DefaultExpression fails to implement its own version of
 accept(FilterVisitor);
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.Expression)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expression</CODE> - the expression to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.Expression)"><CODE>FilterVisitor.visit(org.geotools.filter.Expression)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.LiteralExpression)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/LiteralExpression.html" title="interface in org.geotools.filter">LiteralExpression</A>&nbsp;expression)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on a literal expression. Implementors will
 want to access the literal.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LiteralExpression)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expression</CODE> - The expression to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.LiteralExpression)"><CODE>FilterVisitor.visit(org.geotools.filter.LiteralExpression)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.MathExpression)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/MathExpression.html" title="interface in org.geotools.filter">MathExpression</A>&nbsp;expression)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on an math expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.MathExpression)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expression</CODE> - The expression to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.MathExpression)"><CODE>FilterVisitor.visit(org.geotools.filter.MathExpression)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="visit(org.geotools.filter.FunctionExpression)"><!-- --></A><H3>
visit</H3>
<PRE>
public void <B>visit</B>(<A HREF="../../../org/geotools/filter/FunctionExpression.html" title="interface in org.geotools.filter">FunctionExpression</A>&nbsp;expression)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></B></DD>
<DD>Called when accept is called on an function expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.FunctionExpression)">visit</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/FilterVisitor.html" title="interface in org.geotools.filter">FilterVisitor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>expression</CODE> - The expression to visit.<DT><B>See Also:</B><DD><A HREF="../../../org/geotools/filter/FilterVisitor.html#visit(org.geotools.filter.FunctionExpression)"><CODE>FilterVisitor.visit(org.geotools.filter.FunctionExpression)</CODE></A></DL>
</DD>
</DL>
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