org.apache.olingo.server.api.uri.queryoption.expression

## Interface Unary

- All Superinterfaces:
    Expression, VisitableExpression

      public interface Unary
      extends Expression

  Represents a unary expression node in the expression tree
  A binary expression node is inserted in the expression tree for any valid ODATA unary operator in `UnaryOperatorKind`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `Expression` | `getOperand()`
    `UnaryOperatorKind` | `getOperator()`

    - ### Methods inherited from interface org.apache.olingo.server.api.uri.queryoption.expression.VisitableExpression

      `accept`

- - ### Method Detail

    - #### getOperand

          Expression getOperand()

      Returns:
        The used binary operator
      See Also:
        `UnaryOperatorKind`

    - #### getOperator

          UnaryOperatorKind getOperator()

      Returns:
        Expression sub tree to which the operator applies

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