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()`	Returns the negation of this expression, equivalent to not(this).
`Expression.Operation`	`op()`	Returns the operation for an expression node.

- 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).