How to use

getValue

method

in

org.batfish.datamodel.questions.Variable

/**
 * Verify that every non-optional variable has value assigned to it.
 *
 * @throws BatfishException when there exists a missing parameter: it is not optional in {@code
 *     variable}, but the user failed to provide it.
 */
static void checkVariableState(Map<String, Variable> variables) throws BatfishException {
 for (Entry<String, Variable> e : variables.entrySet()) {
  String variableName = e.getKey();
  Variable variable = e.getValue();
  if (!variable.getOptional() && variable.getValue() == null) {
   throw new BatfishException(String.format("Missing parameter: %s", variableName));
  }
 }
}

String varName = e.getKey();
Variable variable = e.getValue();
JsonNode value = variable.getValue();
String varName = e.getKey();
Variable variable = e.getValue();
JsonNode value = variable.getValue();
String valueJsonString = new ObjectMapper().writeValueAsString(value);
boolean stringType = variable.getType().getStringType();