Package com.querydsl.core.types.dsl

Class BooleanExpression

java.lang.Object

com.querydsl.core.types.dsl.DslExpression<T>

com.querydsl.core.types.dsl.SimpleExpression<T>

com.querydsl.core.types.dsl.ComparableExpressionBase<T>

com.querydsl.core.types.dsl.ComparableExpression<T>

com.querydsl.core.types.dsl.LiteralExpression<Boolean>

com.querydsl.core.types.dsl.BooleanExpression

All Implemented Interfaces:

Expression<Boolean>, Predicate, Serializable

Direct Known Subclasses:

BooleanOperation, BooleanPath, BooleanTemplate

public abstract class BooleanExpression
extends LiteralExpression<Boolean>
implements Predicate

BooleanExpression represents Boolean expressions

Author:

tiwe

See Also:

• Boolean
• Serialized Form

Field Summary

Fields inherited from class com.querydsl.core.types.dsl.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor	Description
BooleanExpression(Expression<Boolean> mixin)

Method Summary

Modifier and Type	Method	Description
BooleanExpression	and(@Nullable Predicate right)	Create a this && right expression
BooleanExpression	andAnyOf(Predicate... predicates)	Create a this && any(predicates) expression
BooleanExpression	as(Path<Boolean> alias)	Create an alias for the expression
BooleanExpression	as(String alias)	Create an alias for the expression
BooleanExpression	coalesce(Expression<?>... exprs)	Create a coalesce(this, exprs...) expression
BooleanExpression	coalesce(Expression<Boolean> expr)	Create a coalesce(this, expr) expression
BooleanExpression	coalesce(Boolean arg)	Create a coalesce(this, arg) expression
BooleanExpression	coalesce(Boolean... args)	Create a coalesce(this, args...) expression
BooleanExpression	eq(Boolean right)	Create a this == right expression
BooleanExpression	isFalse()	Create a this == false expression
BooleanExpression	isTrue()	Create a this == true expression
BooleanExpression	not()	Create a !this expression
BooleanExpression	nullif(Expression<Boolean> other)	Create a nullif(this, other) expression
BooleanExpression	nullif(Boolean other)	Create a nullif(this, other) expression
BooleanExpression	or(@Nullable Predicate right)	Create a this || right expression
BooleanExpression	orAllOf(Predicate... predicates)	Create a this or all(predicates) expression

Methods inherited from class com.querydsl.core.types.dsl.LiteralExpression

castToNum, stringValue

Methods inherited from class com.querydsl.core.types.dsl.ComparableExpression

between, between, goe, goe, goeAll, goeAll, goeAny, goeAny, gt, gt, gtAll, gtAll, gtAny, gtAny, loe, loe, loeAll, loeAll, loeAny, loeAny, lt, lt, ltAll, ltAll, ltAny, ltAny, max, min, notBetween, notBetween

Methods inherited from class com.querydsl.core.types.dsl.ComparableExpressionBase

asc, desc

Methods inherited from class com.querydsl.core.types.dsl.SimpleExpression

count, countDistinct, eq, eqAll, eqAll, eqAny, eqAny, in, in, in, in, in, isNotNull, isNull, ne, ne, neAll, neAny, notIn, notIn, notIn, notIn, notIn, when, when

Methods inherited from class com.querydsl.core.types.dsl.DslExpression

equals, getType, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.types.Expression

accept, getType

Constructor Details

BooleanExpression

public BooleanExpression(Expression<Boolean> mixin)

Method Details

as

public BooleanExpression as(Path<Boolean> alias)

Description copied from class: SimpleExpression

Create an alias for the expression

Overrides:

as in class ComparableExpression<Boolean>

Returns:

alias expression

as

public BooleanExpression as(String alias)

Description copied from class: SimpleExpression

Create an alias for the expression

Overrides:

as in class ComparableExpression<Boolean>

Returns:

alias expression

and

public BooleanExpression and(@Nullable
 @Nullable Predicate right)

Create a this && right expression

Returns an intersection of this and the given expression

Parameters:

right - right hand side of the union

Returns:

this && right

andAnyOf

public BooleanExpression andAnyOf(Predicate... predicates)

Create a this && any(predicates) expression

Returns an intersection of this and the union of the given predicates

Parameters:

predicates - union of predicates

Returns:

this && any(predicates)

not

public BooleanExpression not()

Create a !this expression

Returns a negation of this boolean expression

Specified by:

not in interface Predicate

Returns:

!this

or

public BooleanExpression or(@Nullable
 @Nullable Predicate right)

Create a this || right expression

Returns a union of this and the given expression

Parameters:

right - right hand side of the union

Returns:

this || right

orAllOf

public BooleanExpression orAllOf(Predicate... predicates)

Create a this or all(predicates) expression

Return a union of this and the intersection of the given predicates

Parameters:

predicates - intersection of predicates

Returns:

this or all(predicates)

isTrue

public BooleanExpression isTrue()

Create a this == true expression

Returns:

this == true

isFalse

public BooleanExpression isFalse()

Create a this == false expression

Returns:

this == false

eq

public BooleanExpression eq(Boolean right)

Description copied from class: SimpleExpression

Create a this == right expression

Use expr.isNull() instead of expr.eq(null)

Overrides:

eq in class SimpleExpression<Boolean>

Parameters:

right - rhs of the comparison

Returns:

this == right

nullif

public BooleanExpression nullif(Expression<Boolean> other)

Create a nullif(this, other) expression

Overrides:

nullif in class ComparableExpression<Boolean>

Parameters:

other -

Returns:

nullif(this, other)

nullif

public BooleanExpression nullif(Boolean other)

Create a nullif(this, other) expression

Overrides:

nullif in class ComparableExpression<Boolean>

Parameters:

other -

Returns:

nullif(this, other)

coalesce

public BooleanExpression coalesce(Expression<Boolean> expr)

Create a coalesce(this, expr) expression

Overrides:

coalesce in class ComparableExpression<Boolean>

Parameters:

expr - additional argument

Returns:

coalesce

coalesce

public BooleanExpression coalesce(Expression<?>... exprs)

Create a coalesce(this, exprs...) expression

Overrides:

coalesce in class ComparableExpression<Boolean>

Parameters:

exprs - additional arguments

Returns:

coalesce

coalesce

public BooleanExpression coalesce(Boolean arg)

Create a coalesce(this, arg) expression

Overrides:

coalesce in class ComparableExpression<Boolean>

Parameters:

arg - additional argument

Returns:

coalesce

coalesce

public BooleanExpression coalesce(Boolean... args)

Create a coalesce(this, args...) expression

Overrides:

coalesce in class ComparableExpression<Boolean>

Parameters:

args - additional arguments

Returns:

coalesce