Method Detail

• primary

  static Collation.PrimaryICUComparisonLevel primary()

  Primary level of comparison. Collation performs comparisons of the base characters only, ignoring other differences such as diacritics and case.
  The caseLevel can be set via Collation.PrimaryICUComparisonLevel.includeCase() and Collation.PrimaryICUComparisonLevel.excludeCase().

  Returns:

  new Collation.SecondaryICUComparisonLevel.

• secondary

  static Collation.SecondaryICUComparisonLevel secondary()

  Secondary level of comparison. Collation performs comparisons up to secondary differences, such as diacritics.
  The caseLevel can be set via Collation.SecondaryICUComparisonLevel.includeCase() and Collation.SecondaryICUComparisonLevel.excludeCase().

  Returns:

  new Collation.SecondaryICUComparisonLevel.

• tertiary

  static Collation.TertiaryICUComparisonLevel tertiary()

  Tertiary level of comparison. Collation performs comparisons up to tertiary differences, such as case and letter variants.
  The caseLevel cannot be set for ICUComparisonLevel above secondary.

  Returns:

  new ICUComparisonLevel.

• quaternary

  static Collation.ComparisonLevel quaternary()

  Quaternary Level. Limited for specific use case to consider punctuation.
  The caseLevel cannot be set for ICUComparisonLevel above secondary.

  Returns:

  new Collation.ComparisonLevel.

• identical

  static Collation.ComparisonLevel identical()

  Identical Level. Limited for specific use case of tie breaker.
  The caseLevel cannot be set for ICUComparisonLevel above secondary.

  Returns:

  new Collation.ComparisonLevel.

• getLevel

  int getLevel()

  Returns:

  collation strength, 1 for primary, 2 for secondary and so on.

• getCaseFirst

  default Optional<Collation.CaseFirst> getCaseFirst()

• getCaseLevel

  default Optional<Boolean> getCaseLevel()