defaulttablexydataset.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

<A NAME="updateXPoints()"><!-- --></A><H3>
updateXPoints</H3>
<PRE>
public void <B>updateXPoints</B>()</PRE>
<DL>
<DD>Updates the x-values for all the series in the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesCount()"><!-- --></A><H3>
getSeriesCount</H3>
<PRE>
public int <B>getSeriesCount</B>()</PRE>
<DL>
<DD>Returns the number of series in the collection.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html#getSeriesCount()">getSeriesCount</A></CODE> in class <CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of series in the collection.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount()"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>()</PRE>
<DL>
<DD>Returns the number of x values in the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/TableXYDataset.html#getItemCount()">getItemCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/TableXYDataset.html" title="interface in org.jfree.data">TableXYDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of x values in the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="getSeries(int)"><!-- --></A><H3>
getSeries</H3>
<PRE>
public <A HREF="../../../org/jfree/data/XYSeries.html" title="class in org.jfree.data">XYSeries</A> <B>getSeries</B>(int&nbsp;series)</PRE>
<DL>
<DD>Returns a series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).
<DT><B>Returns:</B><DD>the series (never <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesName(int)"><!-- --></A><H3>
getSeriesName</H3>
<PRE>
public java.lang.String <B>getSeriesName</B>(int&nbsp;series)</PRE>
<DL>
<DD>Returns the name of a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesName(int)">getSeriesName</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html#getSeriesName(int)">getSeriesName</A></CODE> in class <CODE><A HREF="../../../org/jfree/data/AbstractSeriesDataset.html" title="class in org.jfree.data">AbstractSeriesDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).
<DT><B>Returns:</B><DD>the name of a series.</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>(int&nbsp;series)</PRE>
<DL>
<DD>Returns the number of items in the specified series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/XYDataset.html#getItemCount(int)">getItemCount</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).
<DT><B>Returns:</B><DD>the number of items in the specified series.</DL>
</DD>
</DL>
<HR>

<A NAME="getXValue(int, int)"><!-- --></A><H3>
getXValue</H3>
<PRE>
public java.lang.Number <B>getXValue</B>(int&nbsp;series,
                                  int&nbsp;item)</PRE>
<DL>
<DD>Returns the x-value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/XYDataset.html#getXValue(int, int)">getXValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>item</CODE> - the item (zero-based index).
<DT><B>Returns:</B><DD>the x-value for the specified series and item.</DL>
</DD>
</DL>
<HR>

<A NAME="getStartXValue(int, int)"><!-- --></A><H3>
getStartXValue</H3>
<PRE>
public java.lang.Number <B>getStartXValue</B>(int&nbsp;series,
                                       int&nbsp;item)</PRE>
<DL>
<DD>Returns the starting X value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html#getStartXValue(int, int)">getStartXValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>item</CODE> - the item (zero-based index).
<DT><B>Returns:</B><DD>The starting X value.</DL>
</DD>
</DL>
<HR>

<A NAME="getEndXValue(int, int)"><!-- --></A><H3>
getEndXValue</H3>
<PRE>
public java.lang.Number <B>getEndXValue</B>(int&nbsp;series,
                                     int&nbsp;item)</PRE>
<DL>
<DD>Returns the ending X value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html#getEndXValue(int, int)">getEndXValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>item</CODE> - the item (zero-based index).
<DT><B>Returns:</B><DD>The ending X value.</DL>
</DD>
</DL>
<HR>

<A NAME="getYValue(int, int)"><!-- --></A><H3>
getYValue</H3>
<PRE>
public java.lang.Number <B>getYValue</B>(int&nbsp;series,
                                  int&nbsp;index)</PRE>
<DL>
<DD>Returns the y-value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/XYDataset.html#getYValue(int, int)">getYValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>index</CODE> - the index of the item of interest (zero-based).
<DT><B>Returns:</B><DD>the y-value for the specified series and item (possibly <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="getStartYValue(int, int)"><!-- --></A><H3>
getStartYValue</H3>
<PRE>
public java.lang.Number <B>getStartYValue</B>(int&nbsp;series,
                                       int&nbsp;item)</PRE>
<DL>
<DD>Returns the starting Y value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html#getStartYValue(int, int)">getStartYValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>item</CODE> - the item (zero-based index).
<DT><B>Returns:</B><DD>The starting Y value.</DL>
</DD>
</DL>
<HR>

<A NAME="getEndYValue(int, int)"><!-- --></A><H3>
getEndYValue</H3>
<PRE>
public java.lang.Number <B>getEndYValue</B>(int&nbsp;series,
                                     int&nbsp;item)</PRE>
<DL>
<DD>Returns the ending Y value for the specified series and item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html#getEndYValue(int, int)">getEndYValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero-based index).<DD><CODE>item</CODE> - the item (zero-based index).
<DT><B>Returns:</B><DD>The ending Y value.</DL>
</DD>
</DL>
<HR>

<A NAME="removeAllSeries()"><!-- --></A><H3>
removeAllSeries</H3>
<PRE>
public void <B>removeAllSeries</B>()</PRE>
<DL>
<DD>Removes all the series from the collection and sends a <A HREF="../../../org/jfree/data/DatasetChangeEvent.html" title="class in org.jfree.data"><CODE>DatasetChangeEvent</CODE></A> to
 all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="removeSeries(org.jfree.data.XYSeries)"><!-- --></A><H3>
removeSeries</H3>
<PRE>
public void <B>removeSeries</B>(<A HREF="../../../org/jfree/data/XYSeries.html" title="class in org.jfree.data">XYSeries</A>&nbsp;series)</PRE>
<DL>
<DD>Removes a series from the collection and sends a <A HREF="../../../org/jfree/data/DatasetChangeEvent.html" title="class in org.jfree.data"><CODE>DatasetChangeEvent</CODE></A> to all 
 registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (<code>null</code> not permitted).</DL>
</DD>
</DL>
<HR>

<A NAME="removeSeries(int)"><!-- --></A><H3>
removeSeries</H3>
<PRE>
public void <B>removeSeries</B>(int&nbsp;series)</PRE>
<DL>
<DD>Removes a series from the collection and sends a <A HREF="../../../org/jfree/data/DatasetChangeEvent.html" title="class in org.jfree.data"><CODE>DatasetChangeEvent</CODE></A> to all
 registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series (zero based index).</DL>
</DD>
</DL>
<HR>

<A NAME="removeAllValuesForX(java.lang.Number)"><!-- --></A><H3>
removeAllValuesForX</H3>
<PRE>
public void <B>removeAllValuesForX</B>(java.lang.Number&nbsp;x)</PRE>
<DL>
<DD>Removes the items from all series for a given x value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x-value.</DL>
</DD>
</DL>
<HR>

<A NAME="canPrune(java.lang.Number)"><!-- --></A><H3>
canPrune</H3>
<PRE>
protected boolean <B>canPrune</B>(java.lang.Number&nbsp;x)</PRE>
<DL>
<DD>Returns <code>true</code> if all the y-values for the specified x-value are <code>null</code>
 and false otherwise.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x-value.
<DT><B>Returns:</B><DD>a boolean.</DL>
</DD>
</DL>