public void init(
     ParameterType type,
     String propertyName,
     OperatorType operatorType,
     Template firstValue,
     Template secondValue) {
   queryParameter.setType(type);
   queryParameter.setValue(firstValue);
   queryParameter.setSecondValue(secondValue);
   queryParameter.setPropertyName(propertyName);
   queryParameter.setOperatorType(operatorType);
   queryParameter.setInitialized(true);
 }
 public Template getSecondValue() {
   return queryParameter.getSecondValue();
 }
 public Template getFirstValue() {
   return queryParameter.getFirstValue();
 }
 public String getPropertyName() {
   return queryParameter.getPropertyName();
 }
 public OperatorType getOperatorType() {
   return queryParameter.getOperatorType();
 }
 public boolean isInitialized() {
   return queryParameter.isInitialized();
 }
 public ParameterType getParameterType() {
   return queryParameter.getParameterType();
 }