javax.jdo.query

## Interface CharacterExpression

- All Superinterfaces:
    ComparableExpression<Character>, Expression<Character>

      public interface CharacterExpression
      extends ComparableExpression<Character>

  Representation of a character expression.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `CharacterExpression` | `com()` Method to return an expression that is the complement of the current expression.
    `CharacterExpression` | `neg()` Method to return an expression that is the current expression negated.
    `CharacterExpression` | `toLowerCase()` Method to return a CharacterExpression representing this CharacterExpression in lower case.
    `CharacterExpression` | `toUpperCase()` Method to return a CharacterExpression representing this CharacterExpression in upper case.

    - ### Methods inherited from interface javax.jdo.query.ComparableExpression

      `asc, desc, gt, gt, gteq, gteq, lt, lt, lteq, lteq, max, min`

    - ### Methods inherited from interface javax.jdo.query.Expression

      `as, cast, count, countDistinct, eq, eq, instanceOf, ne, ne`

- - ### Method Detail

    - #### toLowerCase

          CharacterExpression toLowerCase()

      Method to return a CharacterExpression representing this CharacterExpression in lower case.
      Returns:
        The lower case expression

    - #### toUpperCase

          CharacterExpression toUpperCase()

      Method to return a CharacterExpression representing this CharacterExpression in upper case.
      Returns:
        The upper case expression

    - #### neg

          CharacterExpression neg()

      Method to return an expression that is the current expression negated.
      Returns:
        The negated expression

    - #### com

          CharacterExpression com()

      Method to return an expression that is the complement of the current expression.
      Returns:
        The complement expression

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