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ExpressionEvaluator
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org.semanticweb.kaon2.extensionapi.builtins</FONT>
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Class ExpressionEvaluator</H2>
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java.lang.Object
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.semanticweb.kaon2.extensionapi.builtins.ExpressionEvaluator</B>
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<DT><PRE>public abstract class <B>ExpressionEvaluator</B><DT>extends java.lang.Object</DL>
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Implements a builtin function that performs a certain operation on literal values that is invoked through kaon2:evaluate or kaon2:ifTrue predicates.
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<TD><CODE><B><A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html#ExpressionEvaluator()">ExpressionEvaluator</A></B>()</CODE>
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<CODE>abstract <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Term.html" title="interface in org.semanticweb.kaon2.api.logic">Term</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html#evaluate(org.semanticweb.kaon2.extensionapi.builtins.ExpressionEvaluatorContext, org.semanticweb.kaon2.api.logic.Term[])">evaluate</A></B>(<A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluatorContext.html" title="interface in org.semanticweb.kaon2.extensionapi.builtins">ExpressionEvaluatorContext</A> context,
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Term.html" title="interface in org.semanticweb.kaon2.api.logic">Term</A>[] boundValues)</CODE>
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Invoked to evaluate the operation on given objects.</TD>
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<CODE>abstract <A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html" title="class in org.semanticweb.kaon2.extensionapi.builtins">ExpressionEvaluator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html#getArgument(int)">getArgument</A></B>(int index)</CODE>
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Returns the argument with a given index.</TD>
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<CODE>abstract int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html#getNumberOfArguments()">getNumberOfArguments</A></B>()</CODE>
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Returns the number of arguments.</TD>
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<CODE>static
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<CODE><T extends <A HREF="../../../../../org/semanticweb/kaon2/extensionapi/builtins/ExpressionEvaluator.html" title="class in org.semanticweb.kaon2.extensionapi.builtins">ExpressionEvaluator</A>>
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void</CODE></FONT></TD>
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