jdbcxydataset.html

jfreechart1。0。2的api。

<CODE>&nbsp;java.lang.Comparable</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/jdbc/JDBCXYDataset.html#getSeriesKey(int)">getSeriesKey</A></B>(int&nbsp;seriesIndex)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the key for the specified series.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Number</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/jdbc/JDBCXYDataset.html#getX(int, int)">getX</A></B>(int&nbsp;seriesIndex,
         int&nbsp;itemIndex)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the x-value for the specified series and item.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Number</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/jdbc/JDBCXYDataset.html#getY(int, int)">getY</A></B>(int&nbsp;seriesIndex,
         int&nbsp;itemIndex)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the y-value for the specified series and item.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/jdbc/JDBCXYDataset.html#isTimeSeries()">isTimeSeries</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns <code>true</code> if the dataset represents time series data, 
 and <code>false</code> otherwise.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/jfree/data/jdbc/JDBCXYDataset.html#setTimeSeries(boolean)">setTimeSeries</A></B>(boolean&nbsp;timeSeries)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets a flag that indicates whether or not the data represents a time 
 series.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.xy.AbstractXYDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.xy.<A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html" title="class in org.jfree.data.xy">AbstractXYDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getDomainOrder()">getDomainOrder</A>, <A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getXValue(int, int)">getXValue</A>, <A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getYValue(int, int)">getYValue</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.AbstractSeriesDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html" title="class in org.jfree.data.general">AbstractSeriesDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#indexOf(java.lang.Comparable)">indexOf</A>, <A HREF="../../../../org/jfree/data/general/AbstractSeriesDataset.html#seriesChanged(org.jfree.data.general.SeriesChangeEvent)">seriesChanged</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.jfree.data.general.AbstractDataset"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.jfree.data.general.<A HREF="../../../../org/jfree/data/general/AbstractDataset.html" title="class in org.jfree.data.general">AbstractDataset</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html#addChangeListener(org.jfree.data.general.DatasetChangeListener)">addChangeListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#clone()">clone</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#fireDatasetChanged()">fireDatasetChanged</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#getGroup()">getGroup</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#hasListener(java.util.EventListener)">hasListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#notifyListeners(org.jfree.data.general.DatasetChangeEvent)">notifyListeners</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#removeChangeListener(org.jfree.data.general.DatasetChangeListener)">removeChangeListener</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#setGroup(org.jfree.data.general.DatasetGroup)">setGroup</A>, <A HREF="../../../../org/jfree/data/general/AbstractDataset.html#validateObject()">validateObject</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_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>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="JDBCXYDataset(java.lang.String, java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.142"><B>JDBCXYDataset</B></A>(java.lang.String&nbsp;url,
                     java.lang.String&nbsp;driverName,
                     java.lang.String&nbsp;user,
                     java.lang.String&nbsp;password)
              throws java.sql.SQLException,
                     java.lang.ClassNotFoundException</PRE>
<DL>
<DD>Creates a new dataset (initially empty) and establishes a new database 
 connection.
<P>
<DL>
<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>password</CODE> - the database user's password.
<DT><B>Throws:</B>
<DD><CODE>java.lang.ClassNotFoundException</CODE> - if the driver cannot be found.
<DD><CODE>java.sql.SQLException</CODE> - if there is a problem connecting to the database.</DL>
</DL>
<HR>

<A NAME="JDBCXYDataset(java.sql.Connection)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.161"><B>JDBCXYDataset</B></A>(java.sql.Connection&nbsp;con)
              throws java.sql.SQLException</PRE>
<DL>
<DD>Creates a new dataset (initially empty) using the specified database 
 connection.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>con</CODE> - the database connection.
<DT><B>Throws:</B>
<DD><CODE>java.sql.SQLException</CODE> - if there is a problem connecting to the database.</DL>
</DL>
<HR>

<A NAME="JDBCXYDataset(java.sql.Connection, java.lang.String)"><!-- --></A><H3>
JDBCXYDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.175"><B>JDBCXYDataset</B></A>(java.sql.Connection&nbsp;con,
                     java.lang.String&nbsp;query)
              throws java.sql.SQLException</PRE>
<DL>
<DD>Creates a new dataset using the specified database connection, and 
 populates it using data obtained with the supplied query.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>con</CODE> - the connection.<DD><CODE>query</CODE> - the SQL query.
<DT><B>Throws:</B>
<DD><CODE>java.sql.SQLException</CODE> - if there is a problem executing the query.</DL>
</DL>

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

<A NAME="method_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="isTimeSeries()"><!-- --></A><H3>
isTimeSeries</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.186"><B>isTimeSeries</B></A>()</PRE>
<DL>
<DD>Returns <code>true</code> if the dataset represents time series data, 
 and <code>false</code> otherwise.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

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

<A NAME="setTimeSeries(boolean)"><!-- --></A><H3>
setTimeSeries</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.196"><B>setTimeSeries</B></A>(boolean&nbsp;timeSeries)</PRE>
<DL>
<DD>Sets a flag that indicates whether or not the data represents a time 
 series.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>timeSeries</CODE> - the new value of the flag.</DL>
</DD>
</DL>
<HR>

<A NAME="executeQuery(java.lang.String)"><!-- --></A><H3>
executeQuery</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.212"><B>executeQuery</B></A>(java.lang.String&nbsp;query)
                  throws java.sql.SQLException</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.
<DT><B>Throws:</B>
<DD><CODE>java.sql.SQLException</CODE> - if there is a problem executing the query.</DL>
</DD>
</DL>
<HR>

<A NAME="executeQuery(java.sql.Connection, java.lang.String)"><!-- --></A><H3>
executeQuery</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.229"><B>executeQuery</B></A>(java.sql.Connection&nbsp;con,
                         java.lang.String&nbsp;query)
                  throws java.sql.SQLException</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.
<DT><B>Throws:</B>
<DD><CODE>java.sql.SQLException</CODE> - if there is a problem executing the query.</DL>
</DD>
</DL>
<HR>

<A NAME="getX(int, int)"><!-- --></A><H3>
getX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/jdbc/JDBCXYDataset.html#line.432"><B>getX</B></A>(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/xy/XYDataset.html#getX(int, int)">getX</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">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/xy/XYDataset.html" title="interface in org.jfree.data.xy"><CODE>XYDataset</CODE></A></DL>
</DD>
</DL>
<HR>