Passing single values from a Mosel model to a Java method

(!*******************************************************
   file passvalues.mos
   ```````````````````
   a model that demonstrates passing values from Mosel to a Java method

   (c) 2016 Fair Isaac Corporation
       author: J. Farmer, 2016
  *******************************************************!)


model myModel
  uses 'mosjvm'
  
  declarations
    classAndMethodName = "PassValues.repeatValue"
    valueToRepeat = "hello "
    numRepetitions = 3
  end-declarations
  
  ! Abort model if we encounter a Java exception
  setparam('jvmabortonexception',true)
  
  ! Tell Java to look for classes in work directory
  setparam('jvmclasspath',getparam('workdir'))

  ! PassValues.repeatValue(string A, int N) is a Java function that returns string A repeated N times
  writeln('Repeated string: ', jvmcallstr( classAndMethodName, valueToRepeat, numRepetitions ))
end-model

/**
 * Example Java class, containing a method that returns a string based on arguments passed to it
 *
 * @author  J.Farmer, (c) Fair Isaac Corporation, 2016
 **/
public class PassValues {
	public static String repeatValue(String value, int nRepetitions) {
		StringBuilder result = new StringBuilder();
		for (int i=0;i<nRepetitions;i++) {
			result.append(value);
		}
		return result.toString();
	}
}