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: Class Multiplication
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com.bolour.sample.eclipse.service.multiplication</FONT>
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Class Multiplication</H2>
<PRE>
java.lang.Object
|
+--<B>com.bolour.sample.eclipse.service.multiplication.Multiplication</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>org.eclipse.core.runtime.IExecutableExtension, <A HREF="../../../../../../com/bolour/sample/eclipse/service/ui/IFunction.html">IFunction</A></DD>
</DL>
<HR>
<DL>
<DT>public class <B>Multiplication</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../../../com/bolour/sample/eclipse/service/ui/IFunction.html">IFunction</A>, org.eclipse.core.runtime.IExecutableExtension</DL>
<P>
Callback class for the multiplication function.
<p>
This class provides a generic multiplication function.
A particular instance of this class is parameterized by
a specific factor to be used in multiplications.
The factor is provided to this instance via a custom XML attribute called
<i>constant</i> in its extension specification.
<p>
Because this class implements the <i>IExecutableExtension</i>
interface, the standard callback creation method of Eclipse,
namely, <code>IConfigurationElement.createExecutableExtension</code>
knows to initialize a created instance of the class by calling
the <code>IExecutableExtension</code> method <code>setInitializationData</code>.
This method extracts the value of the <code>constant</code> attribute
and initializes the instance with its integer value as the factor
for later multiplications.
<P>
<DL>
<DT><B>Author: </B><DD>Azad</DD>
</DL>
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<TD><CODE><B><A HREF="../../../../../../com/bolour/sample/eclipse/service/multiplication/Multiplication.html#Multiplication()">Multiplication</A></B>()</CODE>
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<CODE> long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/bolour/sample/eclipse/service/multiplication/Multiplication.html#compute(long)">compute</A></B>(long x)</CODE>
<BR>
Implementation of the multiplication function.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../com/bolour/sample/eclipse/service/multiplication/Multiplication.html#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)">setInitializationData</A></B>(org.eclipse.core.runtime.IConfigurationElement member,
java.lang.String propertyName,
java.lang.Object data)</CODE>
<BR>
Initialization method for instances of MultiplicationService.</TD>
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<TD><CODE><clinit>, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="Multiplication()"><!-- --></A><H3>
Multiplication</H3>
<PRE>
public <B>Multiplication</B>()</PRE>
<DL>
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<A NAME="compute(long)"><!-- --></A><H3>
compute</H3>
<PRE>
public long <B>compute</B>(long x)</PRE>
<DL>
<DD>Implementation of the multiplication function.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../../../../com/bolour/sample/eclipse/service/ui/IFunction.html#compute(long)">compute</A></CODE> in interface <CODE><A HREF="../../../../../../com/bolour/sample/eclipse/service/ui/IFunction.html">IFunction</A></CODE></DL>
</DD>
<DD>Following copied from interface: <CODE>com.bolour.sample.eclipse.service.ui.IFunction</CODE></DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - A long integer input argument.<DT><B>Returns:</B><DD>The result of the callback function.<DT><B>Throws:</B><DD><CODE>java.lang.ArithmeticException</CODE> - In case of an error.</DL>
</DD>
</DL>
<HR>
<A NAME="setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)"><!-- --></A><H3>
setInitializationData</H3>
<PRE>
public void <B>setInitializationData</B>(org.eclipse.core.runtime.IConfigurationElement member,
java.lang.String propertyName,
java.lang.Object data)
throws org.eclipse.core.runtime.CoreException</PRE>
<DL>
<DD>Initialization method for instances of MultiplicationService.
The multiplication factor for this particular listener is a custom XML attribute of its extension element.
Extract the power and remember it for use in this operation.<DD><DL>
<DT><B>Specified by: </B><DD><CODE>setInitializationData</CODE> in interface <CODE>org.eclipse.core.runtime.IExecutableExtension</CODE></DL>
</DD>
<DD><DL>
<DT><B>See Also: </B><DD><CODE>IExecutableExtension.setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)</CODE></DL>
</DD>
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