public void setParametersTemplate(String parametersTemplate) throws ParseException {
if (parametersTemplate == null) {
throw new NullPointerException();
}
// Test to make sure it's parsable.
ExpressionParser parser = new ExpressionParser();
Expression expression = parser.parseExpression(parametersTemplate);
List<String> parameterNames = parser.getParameters();
if (!parameterNames.isEmpty()) {
throw new IllegalArgumentException(
"Initial distribution for a parameter may not "
+ "contain parameters: "
+ expression.toString());
}
this.parametersTemplate = parametersTemplate;
}
