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KernelManager
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edu.unika.aifb.jnikernel</FONT>
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Class KernelManager</H2>
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java.lang.Object
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>edu.unika.aifb.jnikernel.KernelManager</B>
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<DT><PRE>public class <B>KernelManager</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
Kernel Manager Class for use with the SVMlight JNI kernel extension.
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<TD><CODE><B><A HREF="../../../../edu/unika/aifb/jnikernel/KernelManager.html#KernelManager()">KernelManager</A></B>()</CODE>
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<CODE>static double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../edu/unika/aifb/jnikernel/KernelManager.html#evaluate(long[], float[], java.lang.String, long[], float[], java.lang.String)">evaluate</A></B>(long[] arg1indices,
float[] arg1values,
java.lang.String arg1string,
long[] arg2indices,
float[] arg2values,
java.lang.String arg2string)</CODE>
<BR>
Delegates kernel evaluation to (previously initialized) kernel backend.</TD>
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<CODE>static <A HREF="../../../../edu/unika/aifb/kernels/api/Kernel.html" title="interface in edu.unika.aifb.kernels.api">Kernel</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../edu/unika/aifb/jnikernel/KernelManager.html#getCurrentBackend()">getCurrentBackend</A></B>()</CODE>
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<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../edu/unika/aifb/jnikernel/KernelManager.html#initialize(java.lang.String, java.lang.String)">initialize</A></B>(java.lang.String kernelClassString,
java.lang.String paramFileString)</CODE>
<BR>
Initializes the kernel backend.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
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<TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="KernelManager()"><!-- --></A><H3>
KernelManager</H3>
<PRE>
public <B>KernelManager</B>()</PRE>
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<A NAME="initialize(java.lang.String, java.lang.String)"><!-- --></A><H3>
initialize</H3>
<PRE>
public static void <B>initialize</B>(java.lang.String kernelClassString,
java.lang.String paramFileString)
throws java.lang.InstantiationException,
java.lang.reflect.InvocationTargetException,
java.lang.ClassNotFoundException,
java.lang.IllegalAccessException,
java.io.FileNotFoundException,
java.io.IOException</PRE>
<DL>
<DD>Initializes the kernel backend.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>kernelClassString</CODE> - The class of the kernel backend.<DD><CODE>paramFileString</CODE> - Name of a parameter file. If the backend class has a constructor that takes a single <i>Propteries</i> argument, it will be used and the properties read from the file will be passed. Otherwise, the initialization will try to use the default constructor.
<DT><B>Throws:</B>
<DD><CODE>java.lang.InstantiationException</CODE>
<DD><CODE>java.lang.reflect.InvocationTargetException</CODE>
<DD><CODE>java.lang.ClassNotFoundException</CODE>
<DD><CODE>java.lang.IllegalAccessException</CODE>
<DD><CODE>java.io.FileNotFoundException</CODE>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
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<A NAME="evaluate(long[], float[], java.lang.String, long[], float[], java.lang.String)"><!-- --></A><H3>
evaluate</H3>
<PRE>
public static double <B>evaluate</B>(long[] arg1indices,
float[] arg1values,
java.lang.String arg1string,
long[] arg2indices,
float[] arg2values,
java.lang.String arg2string)
throws java.lang.Exception</PRE>
<DL>
<DD>Delegates kernel evaluation to (previously initialized) kernel backend.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arg1indices</CODE> - Indices of non-zero vector components.<DD><CODE>arg1values</CODE> - Values of non-zero vector components corresponding to the indices in arg1indices.<DD><CODE>arg1string</CODE> - Alternative String representation of argument vector (e.g. for kernels on non-vetorial data)<DD><CODE>arg2indices</CODE> - as above<DD><CODE>arg2values</CODE> - as above<DD><CODE>arg2string</CODE> - as above
<DT><B>Returns:</B><DD>Kernel evaluation result.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - any backend Exceptions.</DL>
</DD>
</DL>
<HR>
<A NAME="getCurrentBackend()"><!-- --></A><H3>
getCurrentBackend</H3>
<PRE>
public static <A HREF="../../../../edu/unika/aifb/kernels/api/Kernel.html" title="interface in edu.unika.aifb.kernels.api">Kernel</A> <B>getCurrentBackend</B>()</PRE>
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