org.datanucleus.query.typesafe

Interface BooleanExpression

All Superinterfaces:

ComparableExpression<Boolean>, Expression<Boolean>

All Known Implementing Classes:

BooleanExpressionImpl

public interface BooleanExpression
extends ComparableExpression<Boolean>

Representation of a boolean expression.

Method Summary

Methods

Modifier and Type	Method and Description
BooleanExpression	and(BooleanExpression expr) Method to return the AND of this expression and the other expression.
BooleanExpression	not() Method to negate this expression.
BooleanExpression	or(BooleanExpression expr) Method to return the OR of this expression and the other expression.

Methods inherited from interface org.datanucleus.query.typesafe.ComparableExpression

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

Methods inherited from interface org.datanucleus.query.typesafe.Expression

cast, count, countDistinct, eq, eq, instanceOf, ne, ne

Method Detail

and

BooleanExpression and(BooleanExpression expr)

Method to return the AND of this expression and the other expression.

Parameters:

expr - The other expression

Returns:

The resultant (boolean) expression

or

BooleanExpression or(BooleanExpression expr)

Method to return the OR of this expression and the other expression.

Parameters:

expr - The other expression

Returns:

The resultant (boolean) expression

not

BooleanExpression not()

Method to negate this expression.

Returns:

The negated expression