com.mysema.query.types.expr

Class BooleanExpression

java.lang.Object

com.mysema.query.types.expr.DslExpression<T>

com.mysema.query.types.expr.SimpleExpression<T>

com.mysema.query.types.expr.ComparableExpressionBase<T>

com.mysema.query.types.expr.ComparableExpression<Boolean>

com.mysema.query.types.expr.BooleanExpression

All Implemented Interfaces:

Expression<Boolean>, Predicate, Serializable

Direct Known Subclasses:

BooleanOperation, BooleanPath, BooleanSubQuery, BooleanTemplate

public abstract class BooleanExpression
extends ComparableExpression<Boolean>
implements Predicate

BooleanExpression represents Boolean expressions

Author:

tiwe

See Also:

Boolean, Serialized Form

Field Summary

Fields inherited from class com.mysema.query.types.expr.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor and Description
BooleanExpression(Expression<Boolean> mixin)

Method Summary

Modifier and Type	Method and Description
static BooleanExpression	allOf(BooleanExpression... exprs) Return the intersection of the given Boolean expressions
BooleanExpression	and(Predicate right) Get an intersection of this and the given expression
BooleanExpression	andAnyOf(Predicate... predicates) Get an intersection of this and the union of the given predicates
static BooleanExpression	anyOf(BooleanExpression... exprs) Return the union of the given Boolean expressions
BooleanExpression	as(Path<Boolean> alias) Create an alias for the expression
BooleanExpression	as(String alias) Create an alias for the expression
BooleanExpression	eq(Boolean right) Get a this == right expression
BooleanExpression	isFalse() Get a this == false expression
BooleanExpression	isTrue() Get a this == true expression
BooleanExpression	not() Get a negation of this boolean expression
BooleanExpression	or(Predicate right) Get a union of this and the given expression
BooleanExpression	orAllOf(Predicate... predicates) Get a union of this and the intersection of the given predicates

Methods inherited from class com.mysema.query.types.expr.ComparableExpression

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

Methods inherited from class com.mysema.query.types.expr.ComparableExpressionBase

asc, castToNum, coalesce, coalesce, desc, stringValue

Methods inherited from class com.mysema.query.types.expr.SimpleExpression

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

Methods inherited from class com.mysema.query.types.expr.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.mysema.query.types.Expression

accept, getType

Constructor Detail

BooleanExpression

public BooleanExpression(Expression<Boolean> mixin)

Method Detail

allOf

@Nullable
public static BooleanExpression allOf(BooleanExpression... exprs)

Return the intersection of the given Boolean expressions

Parameters:

exprs -

Returns:

anyOf

@Nullable
public static BooleanExpression anyOf(BooleanExpression... exprs)

Return the union of the given Boolean expressions

Parameters:

exprs -

Returns:

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:

as

public BooleanExpression as(String alias)

Description copied from class: SimpleExpression

Create an alias for the expression

Overrides:

as in class ComparableExpression<Boolean>

Returns:

and

public BooleanExpression and(@Nullable
                             Predicate right)

Get 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)

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

Parameters:

predicates -

Returns:

not

public BooleanExpression not()

Get a negation of this boolean expression

Specified by:

not in interface Predicate

Returns:

!this

or

public BooleanExpression or(@Nullable
                            Predicate right)

Get 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)

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

Parameters:

predicates -

Returns:

isTrue

public BooleanExpression isTrue()

Get a this == true expression

Returns:

isFalse

public BooleanExpression isFalse()

Get a this == false expression

Returns:

eq

public BooleanExpression eq(Boolean right)

Description copied from class: SimpleExpression

Get 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: