Method Detail

• lowestSupportedVersion

  int lowestSupportedVersion()

  Returns the lowest supported protocol version by this server. This and highestSupportedVersion() should only differ on proxy servers supporting multiple versions.

  Returns:

  lowest supported protocol version

• highestSupportedVersion

  int highestSupportedVersion()

  Returns the highest supported protocol version by this server. This and lowestSupportedVersion() should only differ on proxy servers supporting multiple versions.

  Returns:

  highest supported protocol version

• supportedVersions

  it.unimi.dsi.fastutil.ints.IntSortedSet supportedVersions()

  Returns a sorted set of all supported protocol version by this server. For non-proxy servers, this should return a singleton set.

  Returns:

  sorted set of supported protocol versions

• isKnown

  default boolean isKnown()

  Returns true if the actual protocol version has not yet been identified. In that case, all methods above will returns -1.

  Returns:

  true if set, false if unknown (yet)