Expression

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

And, BoundLiteralPredicate, BoundPredicate, BoundSetPredicate, BoundUnaryPredicate, False, Not, Or, Predicate, True, UnboundPredicate
```
public interface Expression
extends java.io.Serializable
```
Represents a boolean expression tree.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Interface Description
  
  static class Expression.Operation
- Method Summary
  
  All Methods Instance Methods Abstract Methods Default Methods
  Modifier and Type Method Description
  
  default Expression negate()
  
  Expression.Operation op()

- Method Detail
  - op
```
Expression.Operation op()
```
    Returns:
    
    the operation for an expression node.
  - negate
```
default Expression negate()
```
    Returns:
    
    the negation of this expression, equivalent to not(this).