mathexpressionimpl.html

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<DT><B>Returns:</B><DD>the expression on the left of the comparison.</DL>
</DD>
</DL>
<HR>

<A NAME="getExpression1()"><!-- --></A><H3>
getExpression1</H3>
<PRE>
public Expression <B>getExpression1</B>()</PRE>
<DL>
<DD>Gets the left or first expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getExpression1</CODE> in interface <CODE>BinaryExpression</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the expression on the first side of the comparison.</DL>
</DD>
</DL>
<HR>

<A NAME="setExpression1(org.opengis.filter.expression.Expression)"><!-- --></A><H3>
setExpression1</H3>
<PRE>
public void <B>setExpression1</B>(Expression&nbsp;expression)</PRE>
<DL>
<DD>Gets the left or first expression.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/geotools/filter/IllegalFilterException.html" title="class in org.geotools.filter">IllegalFilterException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getRightValue()"><!-- --></A><H3>
getRightValue</H3>
<PRE>
public final <A HREF="../../../org/geotools/filter/Expression.html" title="interface in org.geotools.filter">Expression</A> <B>getRightValue</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>use <A HREF="../../../org/geotools/filter/MathExpressionImpl.html#getExpression2()"><CODE>getExpression2()</CODE></A>.</I>
<P>
<DD>Gets the right expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/MathExpression.html#getRightValue()">getRightValue</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/MathExpression.html" title="interface in org.geotools.filter">MathExpression</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the expression on the right of the comparison.</DL>
</DD>
</DL>
<HR>

<A NAME="getExpression2()"><!-- --></A><H3>
getExpression2</H3>
<PRE>
public Expression <B>getExpression2</B>()</PRE>
<DL>
<DD>Gets the second expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getExpression2</CODE> in interface <CODE>BinaryExpression</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the expression on the second side of the comparison.</DL>
</DD>
</DL>
<HR>

<A NAME="setExpression2(org.opengis.filter.expression.Expression)"><!-- --></A><H3>
setExpression2</H3>
<PRE>
public void <B>setExpression2</B>(Expression&nbsp;expression)</PRE>
<DL>
<DD>Gets the second expression.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../org/geotools/filter/IllegalFilterException.html" title="class in org.geotools.filter">IllegalFilterException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getType()"><!-- --></A><H3>
getType</H3>
<PRE>
public short <B>getType</B>()</PRE>
<DL>
<DD>Gets the type of this expression.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/geotools/filter/MathExpression.html#getType()">getType</A></CODE> in interface <CODE><A HREF="../../../org/geotools/filter/MathExpression.html" title="interface in org.geotools.filter">MathExpression</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/filter/DefaultExpression.html#getType()">getType</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>Returns:</B><DD>Expression type.</DL>
</DD>
</DL>
<HR>

<A NAME="evaluate(org.geotools.feature.Feature)"><!-- --></A><H3>
evaluate</H3>
<PRE>
public abstract <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)
                         throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></PRE>
<DL>
<DD>Returns the value for this expression.
<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> - Feature to use when return sub expression values.
<DT><B>Returns:</B><DD>Value of this expression.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - Feature does not match declared schema.</DL>
</DD>
</DL>
<HR>

<A NAME="ensureOperandsSet()"><!-- --></A><H3>
ensureOperandsSet</H3>
<PRE>
protected void <B>ensureOperandsSet</B>()
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></PRE>
<DL>
<DD>Convenience method which ensures that both expressions have been 
 set. If any of operands not set an exception is thrown.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="number(double)"><!-- --></A><H3>
number</H3>
<PRE>
protected <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>number</B>(double&nbsp;number)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
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