databaseexampletable.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Mon Jul 14 01:33:50 CEST 2008 --><TITLE>DatabaseExampleTable (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.example.table.DatabaseExampleTable class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DatabaseExampleTable (RapidMiner Class Documentation)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" 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_top_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> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/DatabaseExampleTable.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../com/rapidminer/example/table/DatabaseDataRowReader.html" title="class in com.rapidminer.example.table"><B>PREV CLASS</B></A> <A HREF="../../../../com/rapidminer/example/table/DataRow.html" title="class in com.rapidminer.example.table"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?com/rapidminer/example/table/DatabaseExampleTable.html" target="_top"><B>FRAMES</B></A> <A HREF="DatabaseExampleTable.html" target="_top"><B>NO FRAMES</B></A> <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: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.rapidminer.example.table</FONT><BR>Class DatabaseExampleTable</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/rapidminer/example/table/AbstractExampleTable.html" title="class in com.rapidminer.example.table">com.rapidminer.example.table.AbstractExampleTable</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.example.table.DatabaseExampleTable</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/rapidminer/example/table/ExampleTable.html" title="interface in com.rapidminer.example.table">ExampleTable</A>, java.io.Serializable</DD></DL><HR><DL><DT><PRE>public class <B>DatabaseExampleTable</B><DT>extends <A HREF="../../../../com/rapidminer/example/table/AbstractExampleTable.html" title="class in com.rapidminer.example.table">AbstractExampleTable</A></DL></PRE><P>This class is another data supplier for example sets. For performance reasons one should use a <A HREF="../../../../com/rapidminer/example/table/MemoryExampleTable.html" title="class in com.rapidminer.example.table"><CODE>MemoryExampleTable</CODE></A> if the data is small enough for the main memory. Additionally, directly working on databases is highly experimental and therefore usually not recommended.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: DatabaseExampleTable.java,v 2.14 2006/03/27 13:21:58 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Ingo Mierswa</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#com.rapidminer.example.table.DatabaseExampleTable">Serialized Form</A></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#addAttribute(com.rapidminer.example.Attribute)">addAttribute</A></B>(<A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> attribute)</CODE><BR> Adds the attribute to the list of attributes assigning it a free column index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html" title="class in com.rapidminer.example.table">DatabaseExampleTable</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#createDatabaseExampleTable(com.rapidminer.tools.jdbc.DatabaseHandler, java.lang.String)">createDatabaseExampleTable</A></B>(<A HREF="../../../../com/rapidminer/tools/jdbc/DatabaseHandler.html" title="class in com.rapidminer.tools.jdbc">DatabaseHandler</A> databaseHandler, java.lang.String tableName)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#finalize()">finalize</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../com/rapidminer/example/table/DataRow.html" title="class in com.rapidminer.example.table">DataRow</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#getDataRow(int)">getDataRow</A></B>(int index)</CODE><BR> Returns the data row with the desired row index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../com/rapidminer/example/table/DataRowReader.html" title="interface in com.rapidminer.example.table">DataRowReader</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#getDataRowReader()">getDataRowReader</A></B>()</CODE><BR> Returns an Iterator for example data given as <code>DataRow</code> objects.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#removeAttribute(com.rapidminer.example.Attribute)">removeAttribute</A></B>(<A HREF="../../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> attribute)</CODE><BR> Equivalent to calling <code>removeAttribute(attribute.getTableIndex())</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/example/table/DatabaseExampleTable.html#size()">size</A></B>()</CODE><BR> Returns the number of examples.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_com.rapidminer.example.table.AbstractExampleTable"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class com.rapidminer.example.table.<A HREF="../../../../com/rapidminer/example/table/AbstractExampleTable.html" title="class in com.rapidminer.example.table">AbstractExampleTable</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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