getValue method

String? getValue(
  1. String fieldName
)

Returns the current value for the specified field.

  • fieldName The field name as specified within the "Field List".

Throws IllegalArgumentException if the specified field is not part of the Subscription.

Returns The value of the specified field; it can be null in the following cases:

  • a null value has been received from the Server, as null is a possible value for a field;
  • no value has been received for the field yet;
  • the item is subscribed to with the COMMAND mode and a DELETE command is received (only the fields used to carry key and command information are valued).
- See [Subscription.setFields]

Implementation

String? getValue(String fieldName) {
  return _fields[fieldName];
}