LexoRank class
A LexoRank for generating lexicographical sort for efficient reordering list between to rank
Constructors
- LexoRank({int alphabetSize = 26, bool reorderPosition = false})
-
Create a LexoRank instance that can be used to generate rank using specified alphabetSize
const
Properties
- alphabetSize → int
-
The size of all letters used to generate the rank
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- reorderPosition → bool
-
This indicate that if first rank must be lower that second or not.
if true then it will swap first with the second rank so that the first rank will lower rank
if false then the first rank should be lower than the second rank otherwise throw exception
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
generateInitialRank(
{required int sizeOfItems, int rankLength = 5, String startRankLetter = 'a', String endRankLetter = 'z'}) → List< String> - Generate a list of initial rank for re-balancing items
-
getRankBetween(
{required String firstRank, required String secondRank}) → String - Generate a lexo rank between two rank.
-
nextLexo(
String current) → String - Generates the next lexicographically ranked string based on the input string.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
prevLexo(
String current) → String - Generates the previous lexicographically ranked string based on the input string.
-
shouldRebalanced(
List< String> items, {required int maxRankLength, double maxThreshold = 0.5}) → LexoRankItemsStat -
Check if a list should be re-balanced or not depend on max rank length
that exceed the
maxThresholdof total items. -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited