jdbcxydataset.html

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isTimeSeries</H3>
<PRE>
public boolean <B>isTimeSeries</B></PRE>
<DL>
<DD>Is this dataset a timeseries ?
<P>
<DL>
</DL>
</DL>

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="JDBCXYDataset()"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <B>JDBCXYDataset</B>()</PRE>
<DL>
<DD>Creates a new JDBCXYDataset (initially empty) with no database connection.
<P>
</DL>
<HR>

<A NAME="JDBCXYDataset(java.lang.String, java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <B>JDBCXYDataset</B>(java.lang.String&nbsp;url,
                     java.lang.String&nbsp;driverName,
                     java.lang.String&nbsp;user,
                     java.lang.String&nbsp;passwd)</PRE>
<DL>
<DD>Creates a new JDBCXYDataset (initially empty) and establishes a new database connection.
<P>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - URL of the database connection.<DD><CODE>driverName</CODE> - The database driver class name.<DD><CODE>user</CODE> - The database user.<DD><CODE>passwd</CODE> - The database users password.</DL>
<HR>

<A NAME="JDBCXYDataset(java.sql.Connection)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <B>JDBCXYDataset</B>(java.sql.Connection&nbsp;con)</PRE>
<DL>
<DD>Creates a new JDBCXYDataset (initially empty) using the specified database connection.
<P>
<DT><B>Parameters:</B><DD><CODE>con</CODE> - The database connection.</DL>
<HR>

<A NAME="JDBCXYDataset(java.sql.Connection, java.lang.String)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <B>JDBCXYDataset</B>(java.sql.Connection&nbsp;con,
                     java.lang.String&nbsp;query)</PRE>
<DL>
<DD>Creates a new JDBCXYDataset using the specified database connection, and populates it
 using data obtained with the supplied query.
<P>
<DT><B>Parameters:</B><DD><CODE>con</CODE> - The connection.<DD><CODE>query</CODE> - The SQL query.</DL>

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<A NAME="executeQuery(java.lang.String)"><!-- --></A><H3>
executeQuery</H3>
<PRE>
public void <B>executeQuery</B>(java.lang.String&nbsp;query)</PRE>
<DL>
<DD>ExecuteQuery will attempt execute the query passed to it against the
 existing database connection.  If no connection exists then no action
 is taken.

 The results from the query are extracted and cached locally, thus
 applying an upper limit on how many rows can be retrieved successfully.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>query</CODE> - The query to be executed</DL>
</DD>
</DL>
<HR>

<A NAME="executeQuery(java.sql.Connection, java.lang.String)"><!-- --></A><H3>
executeQuery</H3>
<PRE>
public void <B>executeQuery</B>(java.sql.Connection&nbsp;con,
                         java.lang.String&nbsp;query)</PRE>
<DL>
<DD>ExecuteQuery will attempt execute the query passed to it against the
 provided database connection.  If connection is null then no action is taken

 The results from the query are extracted and cached locally, thus
 applying an upper limit on how many rows can be retrieved successfully.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>query</CODE> - The query to be executed<DD><CODE>con</CODE> - The connection the query is to be executed against</DL>
</DD>
</DL>
<HR>

<A NAME="getXValue(int, int)"><!-- --></A><H3>
getXValue</H3>
<PRE>
public java.lang.Number <B>getXValue</B>(int&nbsp;seriesIndex,
                                  int&nbsp;itemIndex)</PRE>
<DL>
<DD>Returns the x-value for the specified series and item.  The
 implementation is responsible for ensuring that the x-values are
 presented in ascending order.
<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">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).<DD><CODE>itemIndex</CODE> - The item (zero-based index).
<DT><B>Returns:</B><DD>The x-value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getYValue(int, int)"><!-- --></A><H3>
getYValue</H3>
<PRE>
public java.lang.Number <B>getYValue</B>(int&nbsp;seriesIndex,
                                  int&nbsp;itemIndex)</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">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).<DD><CODE>itemIndex</CODE> - The item (zero-based index).
<DT><B>Returns:</B><DD>The yValue value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getItemCount(int)"><!-- --></A><H3>
getItemCount</H3>
<PRE>
public int <B>getItemCount</B>(int&nbsp;seriesIndex)</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">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).
<DT><B>Returns:</B><DD>The itemCount value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A></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 dataset.
<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">SeriesDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The seriesCount value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A>, 
<A HREF="../../../org/jfree/data/Dataset.html"><CODE>Dataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getSeriesName(int)"><!-- --></A><H3>
getSeriesName</H3>
<PRE>
public java.lang.String <B>getSeriesName</B>(int&nbsp;seriesIndex)</PRE>
<DL>
<DD>Returns the name of the specified 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">SeriesDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesIndex</CODE> - The series (zero-based index).
<DT><B>Returns:</B><DD>The seriesName value<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A>, 
<A HREF="../../../org/jfree/data/Dataset.html"><CODE>Dataset</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getLegendItemCount()"><!-- --></A><H3>
getLegendItemCount</H3>
<PRE>
public int <B>getLegendItemCount</B>()</PRE>
<DL>
<DD>Returns the number of items that should be displayed in the legend.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The legendItemCount value</DL>
</DD>
</DL>
<HR>

<A NAME="getLegendItemLabels()"><!-- --></A><H3>
getLegendItemLabels</H3>
<PRE>
public java.lang.String[] <B>getLegendItemLabels</B>()</PRE>
<DL>
<DD>Returns the legend item labels.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="getMinimumRangeValue()"><!-- --></A><H3>
getMinimumRangeValue</H3>
<PRE>
public java.lang.Number <B>getMinimumRangeValue</B>()</PRE>
<DL>
<DD>Returns the minimum data value in the dataset's range.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getMinimumRangeValue()">getMinimumRangeValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The minimum value.<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/RangeInfo.html"><CODE>RangeInfo</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getMaximumRangeValue()"><!-- --></A><H3>
getMaximumRangeValue</H3>
<PRE>
public java.lang.Number <B>getMaximumRangeValue</B>()</PRE>
<DL>
<DD>Returns the maximum data value in the dataset's range.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getMaximumRangeValue()">getMaximumRangeValue</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The maximum value.<DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/RangeInfo.html"><CODE>RangeInfo</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Close the database connection
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getValueRange()"><!-- --></A><H3>
getValueRange</H3>
<PRE>
public <A HREF="../../../org/jfree/data/Range.html">Range</A> <B>getValueRange</B>()</PRE>
<DL>
<DD>Returns the range of the values in this dataset's range (y-values).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/jfree/data/RangeInfo.html#getValueRange()">getValueRange</A></CODE> in interface <CODE><A HREF="../../../org/jfree/data/RangeInfo.html">RangeInfo</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The range.</DL>
</DD>
</DL>
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