categorytopiedataset.html

jfreechart最新源代码

<DL>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - the source dataset (<code>null</code> permitted).<DD><CODE>extract</CODE> - extract data from rows or columns? (<code>null</code> 
                 not permitted).<DD><CODE>index</CODE> - the row or column index.</DL>
</DL>

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<B>Method Detail</B></FONT></TH>
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<A NAME="getUnderlyingDataset()"><!-- --></A><H3>
getUnderlyingDataset</H3>
<PRE>
public <A HREF="../../../../org/jfree/data/category/CategoryDataset.html" title="interface in org.jfree.data.category">CategoryDataset</A> <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.113"><B>getUnderlyingDataset</B></A>()</PRE>
<DL>
<DD>Returns the underlying dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The underlying dataset (possibly <code>null</code>).<DT><B>Since:</B></DT>
  <DD>1.0.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getExtractType()"><!-- --></A><H3>
getExtractType</H3>
<PRE>
public org.jfree.util.TableOrder <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.125"><B>getExtractType</B></A>()</PRE>
<DL>
<DD>Returns the extract type, which determines whether data is read from
 one row or one column of the underlying dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The extract type.<DT><B>Since:</B></DT>
  <DD>1.0.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getExtractIndex()"><!-- --></A><H3>
getExtractIndex</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.136"><B>getExtractIndex</B></A>()</PRE>
<DL>
<DD>Returns the index of the row or column from which to extract the data.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The extract index.<DT><B>Since:</B></DT>
  <DD>1.0.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount()"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.146"><B>getItemCount</B></A>()</PRE>
<DL>
<DD>Returns the number of items (values) in the collection.  If the 
 underlying dataset is <code>null</code>, this method returns zero.
<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="getValue(int)"><!-- --></A><H3>
getValue</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.169"><B>getValue</B></A>(int&nbsp;item)</PRE>
<DL>
<DD>Returns a value from the dataset.
<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 item index (zero-based).
<DT><B>Returns:</B><DD>The value (possibly <code>null</code>).
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>item</code> is not in the 
     range <code>0</code> to <code>getItemCount() - 1</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getKey(int)"><!-- --></A><H3>
getKey</H3>
<PRE>
public java.lang.Comparable <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.196"><B>getKey</B></A>(int&nbsp;index)</PRE>
<DL>
<DD>Returns the key at the specified index.
<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>index</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount() - 1</code>).
<DT><B>Returns:</B><DD>The key.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>index</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/category/CategoryToPieDataset.html#line.219"><B>getIndex</B></A>(java.lang.Comparable&nbsp;key)</PRE>
<DL>
<DD>Returns the index for a given key, or <code>-1</code> if there is no
 such key.
<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.
<DT><B>Returns:</B><DD>The index for the key, or <code>-1</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getKeys()"><!-- --></A><H3>
getKeys</H3>
<PRE>
public java.util.List <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.240"><B>getKeys</B></A>()</PRE>
<DL>
<DD>Returns the keys for the dataset.
 <p>
 If the underlying dataset is <code>null</code>, this method returns an
 empty list.
<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 keys.</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/category/CategoryToPieDataset.html#line.262"><B>getValue</B></A>(java.lang.Comparable&nbsp;key)</PRE>
<DL>
<DD>Returns the value for a given key.  If the key is not recognised, the 
 method should return <code>null</code> (but note that <code>null</code> 
 can be associated with a valid key also).
<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.
<DT><B>Returns:</B><DD>The value (possibly <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="datasetChanged(org.jfree.data.general.DatasetChangeEvent)"><!-- --></A><H3>
datasetChanged</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.283"><B>datasetChanged</B></A>(<A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general">DatasetChangeEvent</A>&nbsp;event)</PRE>
<DL>
<DD>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, with
 this (not the underlying) dataset as the source.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/DatasetChangeListener.html#datasetChanged(org.jfree.data.general.DatasetChangeEvent)">datasetChanged</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/general/DatasetChangeListener.html" title="interface in org.jfree.data.general">DatasetChangeListener</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>event</CODE> - the event (ignored, a new event with this dataset as the
     source is sent to the listeners).</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/category/CategoryToPieDataset.html#line.296"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests this dataset for equality with an arbitrary object, returning
 <code>true</code> if <code>obj</code> is a dataset containing the same
 keys and values in the same order as this dataset.
<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 object to test (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
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