defaultpiedataset.html

jfreechart1。0。2的api。

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="getItemCount()"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.110"><B>getItemCount</B></A>()</PRE>
<DL>
<DD>Returns the number of items in the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/Values.html#getItemCount()">getItemCount</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/Values.html" title="interface in org.jfree.data">Values</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The item count.</DL>
</DD>
</DL>
<HR>

<A NAME="getKeys()"><!-- --></A><H3>
getKeys</H3>
<PRE>
public java.util.List <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.120"><B>getKeys</B></A>()</PRE>
<DL>
<DD>Returns the categories in the dataset.  The returned list is 
 unmodifiable.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/KeyedValues.html#getKeys()">getKeys</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/KeyedValues.html" title="interface in org.jfree.data">KeyedValues</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The categories in the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="getKey(int)"><!-- --></A><H3>
getKey</H3>
<PRE>
public java.lang.Comparable <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.135"><B>getKey</B></A>(int&nbsp;item)</PRE>
<DL>
<DD>Returns the key for the specified item, or <code>null</code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/KeyedValues.html#getKey(int)">getKey</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/KeyedValues.html" title="interface in org.jfree.data">KeyedValues</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount() - 1</code>).
<DT><B>Returns:</B><DD>The key, or <code>null</code>.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>item</code> is not in the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getIndex(java.lang.Comparable)"><!-- --></A><H3>
getIndex</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.149"><B>getIndex</B></A>(java.lang.Comparable&nbsp;key)</PRE>
<DL>
<DD>Returns the index for a key, or -1 if the key is not recognised.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/KeyedValues.html#getIndex(java.lang.Comparable)">getIndex</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/KeyedValues.html" title="interface in org.jfree.data">KeyedValues</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key (<code>null</code> not permitted).
<DT><B>Returns:</B><DD>The index, or <code>-1</code> if the key is unrecognised.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>key</code> is 
     <code>null</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getValue(int)"><!-- --></A><H3>
getValue</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.160"><B>getValue</B></A>(int&nbsp;item)</PRE>
<DL>
<DD>Returns a value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/Values.html#getValue(int)">getValue</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/Values.html" title="interface in org.jfree.data">Values</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>item</CODE> - the value index.
<DT><B>Returns:</B><DD>The value (possibly <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="getValue(java.lang.Comparable)"><!-- --></A><H3>
getValue</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.179"><B>getValue</B></A>(java.lang.Comparable&nbsp;key)</PRE>
<DL>
<DD>Returns the data value associated with a key.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/KeyedValues.html#getValue(java.lang.Comparable)">getValue</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/KeyedValues.html" title="interface in org.jfree.data">KeyedValues</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key (<code>null</code> not permitted).
<DT><B>Returns:</B><DD>The value (possibly <code>null</code>).
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/jfree/data/UnknownKeyException.html" title="class in org.jfree.data">UnknownKeyException</A></CODE> - if the key is not recognised.</DL>
</DD>
</DL>
<HR>

<A NAME="setValue(java.lang.Comparable, java.lang.Number)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.196"><B>setValue</B></A>(java.lang.Comparable&nbsp;key,
                     java.lang.Number&nbsp;value)</PRE>
<DL>
<DD>Sets the data value for a key and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to
 all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key (<code>null</code> not permitted).<DD><CODE>value</CODE> - the value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>key</code> is 
     <code>null</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="setValue(java.lang.Comparable, double)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.211"><B>setValue</B></A>(java.lang.Comparable&nbsp;key,
                     double&nbsp;value)</PRE>
<DL>
<DD>Sets the data value for a key and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to
 all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key (<code>null</code> not permitted).<DD><CODE>value</CODE> - the value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>key</code> is 
     <code>null</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="remove(java.lang.Comparable)"><!-- --></A><H3>
remove</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.224"><B>remove</B></A>(java.lang.Comparable&nbsp;key)</PRE>
<DL>
<DD>Removes an item from the dataset and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A>
 to all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key (<code>null</code> not permitted).
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if <code>key</code> is 
     <code>null</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.235"><B>clear</B></A>()</PRE>
<DL>
<DD>Clears all data from this dataset and sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A>
 to all registered listeners (unless the dataset was already empty).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Since:</B></DT>
  <DD>1.0.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.249"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests if this object is equal to another.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the other object.
<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/general/DefaultPieDataset.html#line.292"><B>hashCode</B></A>()</PRE>
<DL>
<DD>Returns a hash code.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

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

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <A HREF="../../../../src-html/org/jfree/data/general/DefaultPieDataset.html#line.304"><B>clone</B></A>()
                       throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Returns a clone of the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>clone</CODE> in interface <CODE>org.jfree.util.PublicCloneable</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html" title="class in org.jfree.data.general">AbstractDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A clone.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - This class will not throw this 
         exception, but subclasses (if any) might.</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/DefaultPieDataset.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/jfree/data/general/DefaultKeyedValuesDataset.html" title="class in org.jfree.data.general"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/jfree/data/general/DefaultValueDataset.html" title="class in org.jfree.data.general"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../../index.html?org/jfree/data/general/DefaultPieDataset.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="DefaultPieDataset.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<SCRIPT type="text/javascript">
  <!--
  if(window==top) {
    document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>');
  }
  //-->
</SCRIPT>
<NOSCRIPT>
  <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>
</NOSCRIPT>


</FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>

</BODY>
</HTML>