xyseries.html

jfreechart1。0。2的api。

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<A NAME="getDataItem(int)"><!-- --></A><H3>
getDataItem</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/xy/XYDataItem.html" title="class in org.jfree.data.xy">XYDataItem</A> <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.443"><B>getDataItem</B></A>(int&nbsp;index)</PRE>
<DL>
<DD>Return the data item with the specified index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index.
<DT><B>Returns:</B><DD>The data item with the specified index.</DL>
</DD>
</DL>
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<A NAME="getX(int)"><!-- --></A><H3>
getX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.454"><B>getX</B></A>(int&nbsp;index)</PRE>
<DL>
<DD>Returns the x-value at the specified index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index (zero-based).
<DT><B>Returns:</B><DD>The x-value (never <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="getY(int)"><!-- --></A><H3>
getY</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.465"><B>getY</B></A>(int&nbsp;index)</PRE>
<DL>
<DD>Returns the y-value at the specified index.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the index (zero-based).
<DT><B>Returns:</B><DD>The y-value (possibly <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="update(int, java.lang.Number)"><!-- --></A><H3>
update</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.479"><B>update</B></A>(int&nbsp;index,
                   java.lang.Number&nbsp;y)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Renamed updateByIndex(int, Number) to avoid confusion with
             the update(Number, Number) method.</I>
<P>
<DD>Updates the value of an item in the series and sends a 
 <A HREF="../../../../org/jfree/data/general/SeriesChangeEvent.html" title="class in org.jfree.data.general"><CODE>SeriesChangeEvent</CODE></A> to all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the item (zero based index).<DD><CODE>y</CODE> - the new value (<code>null</code> permitted).</DL>
</DD>
</DL>
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<A NAME="updateByIndex(int, java.lang.Number)"><!-- --></A><H3>
updateByIndex</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.494"><B>updateByIndex</B></A>(int&nbsp;index,
                          java.lang.Number&nbsp;y)</PRE>
<DL>
<DD>Updates the value of an item in the series and sends a 
 <A HREF="../../../../org/jfree/data/general/SeriesChangeEvent.html" title="class in org.jfree.data.general"><CODE>SeriesChangeEvent</CODE></A> to all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - the item (zero based index).<DD><CODE>y</CODE> - the new value (<code>null</code> permitted).<DT><B>Since:</B></DT>
  <DD>1.0.1</DD>
</DL>
</DD>
</DL>
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<A NAME="update(java.lang.Number, java.lang.Number)"><!-- --></A><H3>
update</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.507"><B>update</B></A>(java.lang.Number&nbsp;x,
                   java.lang.Number&nbsp;y)</PRE>
<DL>
<DD>Updates an item in the series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x-value (<code>null</code> not permitted).<DD><CODE>y</CODE> - the y-value (<code>null</code> permitted).
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/jfree/data/general/SeriesException.html" title="class in org.jfree.data.general">SeriesException</A></CODE> - if there is no existing item with the specified
         x-value.</DL>
</DD>
</DL>
<HR>

<A NAME="addOrUpdate(java.lang.Number, java.lang.Number)"><!-- --></A><H3>
addOrUpdate</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/xy/XYDataItem.html" title="class in org.jfree.data.xy">XYDataItem</A> <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.530"><B>addOrUpdate</B></A>(java.lang.Number&nbsp;x,
                              java.lang.Number&nbsp;y)</PRE>
<DL>
<DD>Adds or updates an item in the series and sends a 
 <A HREF="../../../../org/jfree/data/general/SeriesChangeEvent.html" title="class in org.jfree.data.general"><CODE>SeriesChangeEvent</CODE></A> to all registered 
 listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x-value (<code>null</code> not permitted).<DD><CODE>y</CODE> - the y-value (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A copy of the overwritten data item, or <code>null</code> if no 
         item was overwritten.</DL>
</DD>
</DL>
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<A NAME="indexOf(java.lang.Number)"><!-- --></A><H3>
indexOf</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.576"><B>indexOf</B></A>(java.lang.Number&nbsp;x)</PRE>
<DL>
<DD>Returns the index of the item with the specified x-value, or a negative 
 index if the series does not contain an item with that x-value.  Be 
 aware that for an unsorted series, the index is found by iterating 
 through all items in the series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the x-value (<code>null</code> not permitted).
<DT><B>Returns:</B><DD>The index.</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.598"><B>clone</B></A>()
                       throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Returns a clone of the series.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/Series.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/Series.html" title="class in org.jfree.data.general">Series</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A clone of the time series.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - if there is a cloning problem.</DL>
</DD>
</DL>
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<A NAME="createCopy(int, int)"><!-- --></A><H3>
createCopy</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/xy/XYSeries.html" title="class in org.jfree.data.xy">XYSeries</A> <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.613"><B>createCopy</B></A>(int&nbsp;start,
                           int&nbsp;end)
                    throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Creates a new series by copying a subset of the data in this time series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>start</CODE> - the index of the first item to copy.<DD><CODE>end</CODE> - the index of the last item to copy.
<DT><B>Returns:</B><DD>A series containing a copy of this series from start until end.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - if there is a cloning problem.</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.642"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests this series for equality with an arbitrary object.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/Series.html#equals(java.lang.Object)">equals</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/Series.html" title="class in org.jfree.data.general">Series</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object to test against for equality 
             (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/xy/XYSeries.html#line.673"><B>hashCode</B></A>()</PRE>
<DL>
<DD>Returns a hash code.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/Series.html#hashCode()">hashCode</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/Series.html" title="class in org.jfree.data.general">Series</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A hash code.</DL>
</DD>
</DL>
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