Page Comparison

<!DOCTYPE etl SYSTEM "http://scriptella.javaforge.com/dtd/etl.dtd">
<etl>
    <description>Janino as an Expression Evaluator</description>

<connection id="janino" driver="janino" />
<query connection-id="janino">
	import org.codehaus.janino.ExpressionEvaluator;
	// Compile the expression once; relatively slow.
	ExpressionEvaluator ee = new ExpressionEvaluator(
		"c > d ? c : d",                     // expression
		int.class,                           // expressionType
		new String[] { "c", "d" },           // parameterNames
		new Class[] { int.class, int.class } // parameterTypes
	);
	 
	// Evaluate it with varying parameter values; very fast.
	Integer res = (Integer) ee.evaluate(
		new Object[] {          // parameterValues
			new Integer(10),
			new Integer(11),
		}
	);
	System.out.println("res = " + res);
</query>
</etl>