databasesaver.html

weka是机器学习和数据挖掘领域最有影响力的开源项目之一

public void <B>setUser</B>(java.lang.String&nbsp;user)</PRE>
<DL>
<DD>Sets the database user
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html#setUser(java.lang.String)">setUser</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html" title="interface in weka.core.converters">DatabaseConverter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>user</CODE> - the user name</DL>
</DD>
</DL>
<HR>

<A NAME="getUser()"><!-- --></A><H3>
getUser</H3>
<PRE>
public java.lang.String <B>getUser</B>()</PRE>
<DL>
<DD>Gets the database user
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html#getUser()">getUser</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html" title="interface in weka.core.converters">DatabaseConverter</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the user name</DL>
</DD>
</DL>
<HR>

<A NAME="userTipText()"><!-- --></A><H3>
userTipText</H3>
<PRE>
public java.lang.String <B>userTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the tip text for this property</DL>
</DD>
</DL>
<HR>

<A NAME="setPassword(java.lang.String)"><!-- --></A><H3>
setPassword</H3>
<PRE>
public void <B>setPassword</B>(java.lang.String&nbsp;password)</PRE>
<DL>
<DD>Sets the database password
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html#setPassword(java.lang.String)">setPassword</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/DatabaseConverter.html" title="interface in weka.core.converters">DatabaseConverter</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>password</CODE> - the password</DL>
</DD>
</DL>
<HR>

<A NAME="getPassword()"><!-- --></A><H3>
getPassword</H3>
<PRE>
public java.lang.String <B>getPassword</B>()</PRE>
<DL>
<DD>Returns the database password
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the database password</DL>
</DD>
</DL>
<HR>

<A NAME="passwordTipText()"><!-- --></A><H3>
passwordTipText</H3>
<PRE>
public java.lang.String <B>passwordTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the tip text for this property</DL>
</DD>
</DL>
<HR>

<A NAME="setDestination(java.lang.String, java.lang.String, java.lang.String)"><!-- --></A><H3>
setDestination</H3>
<PRE>
public void <B>setDestination</B>(java.lang.String&nbsp;url,
                           java.lang.String&nbsp;userName,
                           java.lang.String&nbsp;password)</PRE>
<DL>
<DD>Sets the database url
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - the database url<DD><CODE>userName</CODE> - the user name<DD><CODE>password</CODE> - the password</DL>
</DD>
</DL>
<HR>

<A NAME="setDestination(java.lang.String)"><!-- --></A><H3>
setDestination</H3>
<PRE>
public void <B>setDestination</B>(java.lang.String&nbsp;url)</PRE>
<DL>
<DD>Sets the database url
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - the database url</DL>
</DD>
</DL>
<HR>

<A NAME="setDestination()"><!-- --></A><H3>
setDestination</H3>
<PRE>
public void <B>setDestination</B>()</PRE>
<DL>
<DD>Sets the database url using the DatabaseUtils file
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCapabilities()"><!-- --></A><H3>
getCapabilities</H3>
<PRE>
public <A HREF="../../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A> <B>getCapabilities</B>()</PRE>
<DL>
<DD>Returns the Capabilities of this saver.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/CapabilitiesHandler.html#getCapabilities()">getCapabilities</A></CODE> in interface <CODE><A HREF="../../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractSaver.html#getCapabilities()">getCapabilities</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractSaver.html" title="class in weka.core.converters">AbstractSaver</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this object<DT><B>See Also:</B><DD><A HREF="../../../weka/core/Capabilities.html" title="class in weka.core"><CODE>Capabilities</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="connectToDatabase()"><!-- --></A><H3>
connectToDatabase</H3>
<PRE>
public void <B>connectToDatabase</B>()</PRE>
<DL>
<DD>Opens a connection to the database
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="writeIncremental(weka.core.Instance)"><!-- --></A><H3>
writeIncremental</H3>
<PRE>
public void <B>writeIncremental</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;inst)
                      throws java.io.IOException</PRE>
<DL>
<DD>Saves an instances incrementally. Structure has to be set by using the
 setStructure() method or setInstances() method. When a structure is set, a table is created.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Saver.html#writeIncremental(weka.core.Instance)">writeIncremental</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Saver.html" title="interface in weka.core.converters">Saver</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractSaver.html#writeIncremental(weka.core.Instance)">writeIncremental</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractSaver.html" title="class in weka.core.converters">AbstractSaver</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inst</CODE> - the instance to save
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - throws IOEXception.</DL>
</DD>
</DL>
<HR>

<A NAME="writeBatch()"><!-- --></A><H3>
writeBatch</H3>
<PRE>
public void <B>writeBatch</B>()
                throws java.io.IOException</PRE>
<DL>
<DD>Writes a Batch of instances
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/Saver.html#writeBatch()">writeBatch</A></CODE> in interface <CODE><A HREF="../../../weka/core/converters/Saver.html" title="interface in weka.core.converters">Saver</A></CODE><DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/converters/AbstractSaver.html#writeBatch()">writeBatch</A></CODE> in class <CODE><A HREF="../../../weka/core/converters/AbstractSaver.html" title="class in weka.core.converters">AbstractSaver</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - throws IOException</DL>
</DD>
</DL>
<HR>

<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<DD>Gets the setting
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#getOptions()">getOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the current setting</DL>
</DD>
</DL>
<HR>

<A NAME="listOptions()"><!-- --></A><H3>
listOptions</H3>
<PRE>
public java.util.Enumeration <B>listOptions</B>()</PRE>
<DL>
<DD>Lists the available options
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#listOptions()">listOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an enumeration of the available options</DL>
</DD>
</DL>
<HR>

<A NAME="setOptions(java.lang.String[])"><!-- --></A><H3>
setOptions</H3>
<PRE>
public void <B>setOptions</B>(java.lang.String[]&nbsp;options)
                throws java.lang.Exception</PRE>
<DL>
<DD>Sets the options. <p/>

   <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -url &lt;JDBC URL&gt;
  The JDBC URL to connect to.
  (default: from DatabaseUtils.props file)</pre>
 
 <pre> -user &lt;name&gt;
  The user to connect with to the database.
  (default: none)</pre>
 
 <pre> -password &lt;password&gt;
  The password to connect with to the database.
  (default: none)</pre>
 
 <pre> -T &lt;table name&gt;
  The name of the table.
  (default: the relation name)</pre>
 
 <pre> -P
  Add an ID column as primary key. The name is specified
  in the DatabaseUtils file ('idColumn'). The DatabaseLoader
  won't load this column.</pre>
 
 <pre> -i &lt;input file name&gt;
  Input file in arff format that should be saved in database.</pre>
 
   <!-- options-end -->
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/OptionHandler.html#setOptions(java.lang.String[])">setOptions</A></CODE> in interface <CODE><A HREF="../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>options</CODE> - the options
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if options cannot be set</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;options)</PRE>
<DL>
<DD>Main method.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>options</CODE> - should contain the options of a Saver.</DL>
</DD>
</DL>
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