📄 databaseutils.html
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Gets the results generated by a previous query.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/DatabaseUtils.html#getResultsTableName(weka.experiment.ResultProducer)">getResultsTableName</A></B>(<A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A> rp)</CODE><BR> Gets the name of the experiment table that stores results from a particular ResultProducer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/DatabaseUtils.html#getUsername()">getUsername</A></B>()</CODE><BR> Get the database username</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/DatabaseUtils.html#isConnected()">isConnected</A></B>()</CODE><BR> Returns true if a database connection is active.</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="../../weka/experiment/DatabaseUtils.html#putResultInTable(java.lang.String, weka.experiment.ResultProducer, java.lang.Object[], java.lang.Object[])">putResultInTable</A></B>(java.lang.String tableName, <A HREF="../../weka/experiment/ResultProducer.html" title="interface in weka.experiment">ResultProducer</A> rp, java.lang.Object[] key, java.lang.Object[] result)</CODE><BR> Executes a database query to insert a result for the supplied key into the database.</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="../../weka/experiment/DatabaseUtils.html#setDatabaseURL(java.lang.String)">setDatabaseURL</A></B>(java.lang.String newDatabaseURL)</CODE><BR> Set the value of DatabaseURL.</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="../../weka/experiment/DatabaseUtils.html#setPassword(java.lang.String)">setPassword</A></B>(java.lang.String password)</CODE><BR> Set the database password</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="../../weka/experiment/DatabaseUtils.html#setUsername(java.lang.String)">setUsername</A></B>(java.lang.String username)</CODE><BR> Set the database username</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/DatabaseUtils.html#tableExists(java.lang.String)">tableExists</A></B>(java.lang.String tableName)</CODE><BR> Checks that a given table exists.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/DatabaseUtils.html#typeName(int)">typeName</A></B>(int type)</CODE><BR> Returns the name associated with a SQL type.</TD></TR></TABLE> <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"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Field Detail</B></FONT></TD></TR></TABLE><A NAME="EXP_INDEX_TABLE"><!-- --></A><H3>EXP_INDEX_TABLE</H3><PRE>public static final java.lang.String <B>EXP_INDEX_TABLE</B></PRE><DL><DD>The name of the table containing the index to experiments<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.EXP_INDEX_TABLE">Constant Field Values</A></DL></DL><HR><A NAME="EXP_TYPE_COL"><!-- --></A><H3>EXP_TYPE_COL</H3><PRE>public static final java.lang.String <B>EXP_TYPE_COL</B></PRE><DL><DD>The name of the column containing the experiment type (ResultProducer)<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.EXP_TYPE_COL">Constant Field Values</A></DL></DL><HR><A NAME="EXP_SETUP_COL"><!-- --></A><H3>EXP_SETUP_COL</H3><PRE>public static final java.lang.String <B>EXP_SETUP_COL</B></PRE><DL><DD>The name of the column containing the experiment setup (parameters)<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.EXP_SETUP_COL">Constant Field Values</A></DL></DL><HR><A NAME="EXP_RESULT_COL"><!-- --></A><H3>EXP_RESULT_COL</H3><PRE>public static final java.lang.String <B>EXP_RESULT_COL</B></PRE><DL><DD>The name of the column containing the results table name<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.EXP_RESULT_COL">Constant Field Values</A></DL></DL><HR><A NAME="EXP_RESULT_PREFIX"><!-- --></A><H3>EXP_RESULT_PREFIX</H3><PRE>public static final java.lang.String <B>EXP_RESULT_PREFIX</B></PRE><DL><DD>The prefix for result table names<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.EXP_RESULT_PREFIX">Constant Field Values</A></DL></DL><HR><A NAME="STRING"><!-- --></A><H3>STRING</H3><PRE>public static final int <B>STRING</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.STRING">Constant Field Values</A></DL></DL><HR><A NAME="BOOL"><!-- --></A><H3>BOOL</H3><PRE>public static final int <B>BOOL</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.BOOL">Constant Field Values</A></DL></DL><HR><A NAME="DOUBLE"><!-- --></A><H3>DOUBLE</H3><PRE>public static final int <B>DOUBLE</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.DOUBLE">Constant Field Values</A></DL></DL><HR><A NAME="BYTE"><!-- --></A><H3>BYTE</H3><PRE>public static final int <B>BYTE</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.BYTE">Constant Field Values</A></DL></DL><HR><A NAME="SHORT"><!-- --></A><H3>SHORT</H3><PRE>public static final int <B>SHORT</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.SHORT">Constant Field Values</A></DL></DL><HR><A NAME="INTEGER"><!-- --></A><H3>INTEGER</H3><PRE>public static final int <B>INTEGER</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.INTEGER">Constant Field Values</A></DL></DL><HR><A NAME="LONG"><!-- --></A><H3>LONG</H3><PRE>public static final int <B>LONG</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.LONG">Constant Field Values</A></DL></DL><HR><A NAME="FLOAT"><!-- --></A><H3>FLOAT</H3><PRE>public static final int <B>FLOAT</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.FLOAT">Constant Field Values</A></DL></DL><HR><A NAME="DATE"><!-- --></A><H3>DATE</H3><PRE>public static final int <B>DATE</B></PRE><DL><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#weka.experiment.DatabaseUtils.DATE">Constant Field Values</A></DL></DL><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="DatabaseUtils()"><!-- --></A><H3>DatabaseUtils</H3><PRE>public <B>DatabaseUtils</B>() throws java.lang.Exception</PRE><DL><DD>Reads properties and sets up the database drivers<P><DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="setUsername(java.lang.String)"><!-- --></A><H3>setUsername</H3><PRE>public void <B>setUsername</B>(java.lang.String username)</PRE><DL><DD>Set the database username<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>username</CODE> - Username for Database.</DL></DD></DL><HR><A NAME="getUsername()"><!-- --></A><H3>getUsername</H3><PRE>public java.lang.String <B>getUsername</B>()</PRE><DL><DD>Get the database username<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>Database username</DL></DD></DL><HR><A NAME="setPassword(java.lang.String)"><!-- --></A><H3>setPassword</H3><PRE>public void <B>setPassword</B>(java.lang.String password)</PRE><DL><DD>Set the database password<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>password</CODE> - Password for Database.</DL></DD></DL><HR><A NAME="getPassword()"><!-- --></A><H3>getPassword</H3><PRE>public java.lang.String <B>getPassword</B>()</PRE><DL><DD>Get the database password<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>Password for Database.</DL></DD></DL><HR><A NAME="arrayToString(java.lang.Object[])"><!-- --></A><H3>arrayToString</H3><PRE>public static java.lang.String <B>arrayToString</B>(java.lang.Object[] array)</PRE><DL><DD>Converts an array of objects to a string by inserting a space between each element. Null elements are printed as ?<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>array</CODE> - the array of objects<DT><B>Returns:</B><DD>a value of type 'String'</DL></DD></DL><HR><A NAME="typeName(int)"><!-- --></A><H3>typeName</H3><PRE>public static java.lang.String <B>typeName</B>(int type)</PRE><DL><DD>Returns the name associated with a SQL type.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>type</CODE> - the SQL type<DT><B>Returns:</B><DD>the name of the type</DL></DD>⌨️ 快捷键说明
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