code: Set<String> getValues(RequestType pType, ObjectName pName) {
          if (RequestType.READ == pType) {
              return readAttributes.get(pName);
          } else if (RequestType.WRITE == pType) {
              return writeAttributes.get(pName);
          } else if (RequestType.EXEC == pType) {
              return operations.get(pName);
          } else {
              throw new IllegalArgumentException("Invalid type " + pType);
          }
      }
docs: Get the set of stored values for a given MBean and type (read/write/exec)
  
  @param pType request type for which the previously added values should be retrieved.
  @param pName MBean
  @return set of previously added value or <code>null</code> if none has been added for this MBean/type.