xydataset.html

jfreechart1。0。2的api。

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<A NAME="getDomainOrder()"><!-- --></A><H3>
getDomainOrder</H3>
<PRE>
<A HREF="../../../../org/jfree/data/DomainOrder.html" title="class in org.jfree.data">DomainOrder</A> <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.65"><B>getDomainOrder</B></A>()</PRE>
<DL>
<DD>Returns the order of the domain (or X) values returned by the dataset.
<P>
<DD><DL>
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</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The order (never <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
int <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.79"><B>getItemCount</B></A>(int&nbsp;series)</PRE>
<DL>
<DD>Returns the number of items in a series.
 <br><br>
 It is recommended that classes that implement this method should throw 
 an <code>IllegalArgumentException</code> if the <code>series</code> 
 argument is outside the specified range.
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<DD><DL>
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<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).
<DT><B>Returns:</B><DD>The item count.</DL>
</DD>
</DL>
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<A NAME="getX(int, int)"><!-- --></A><H3>
getX</H3>
<PRE>
java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.93"><B>getX</B></A>(int&nbsp;series,
                      int&nbsp;item)</PRE>
<DL>
<DD>Returns the x-value for an item within a series.  The x-values may or 
 may not be returned in ascending order, that is up to the class 
 implementing the interface.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The x-value (never <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="getXValue(int, int)"><!-- --></A><H3>
getXValue</H3>
<PRE>
double <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.105"><B>getXValue</B></A>(int&nbsp;series,
                 int&nbsp;item)</PRE>
<DL>
<DD>Returns the x-value for an item within a series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The x-value.</DL>
</DD>
</DL>
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<A NAME="getY(int, int)"><!-- --></A><H3>
getY</H3>
<PRE>
java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.117"><B>getY</B></A>(int&nbsp;series,
                      int&nbsp;item)</PRE>
<DL>
<DD>Returns the y-value for an item within a series.
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<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The y-value (possibly <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="getYValue(int, int)"><!-- --></A><H3>
getYValue</H3>
<PRE>
double <A HREF="../../../../src-html/org/jfree/data/xy/XYDataset.html#line.129"><B>getYValue</B></A>(int&nbsp;series,
                 int&nbsp;item)</PRE>
<DL>
<DD>Returns the y-value (as a double primitive) for an item within a series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The y-value.</DL>
</DD>
</DL>
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