Package com.querydsl.core.types.dsl

Class SimpleExpression<T>

java.lang.Object

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

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

Type Parameters:

T - expression type

All Implemented Interfaces:

Expression<T>, Serializable

Direct Known Subclasses:

ArrayPath, BeanPath, ComparableExpressionBase, Param, SimpleOperation, SimplePath, SimpleTemplate

public abstract class SimpleExpression<T>
extends DslExpression<T>

SimpleExpression is the base class for Expression implementations.

Author:

tiwe

See Also:

• Serialized Form

Field Summary

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

hashCode, mixin

Constructor Summary

Constructors

Constructor	Description
SimpleExpression(Expression<T> mixin)

Method Summary

Modifier and Type	Method	Description
SimpleExpression<T>	as(Path<T> alias)	Create an alias for the expression
SimpleExpression<T>	as(String alias)	Create an alias for the expression
NumberExpression<Long>	count()	Get the count(this) expression
NumberExpression<Long>	countDistinct()	Get the count(distinct this) expression
BooleanExpression	eq(Expression<? super T> right)	Create a this == right expression
BooleanExpression	eq(T right)	Create a this == right expression
BooleanExpression	eqAll(CollectionExpression<?,? super T> right)	Create a this == all right expression
BooleanExpression	eqAll(SubQueryExpression<? extends T> right)	Create a this == all right expression
BooleanExpression	eqAny(CollectionExpression<?,? super T> right)	Create a this == < right expression
BooleanExpression	eqAny(SubQueryExpression<? extends T> right)	Create a this == any right expression
BooleanExpression	in(CollectionExpression<?,? extends T> right)	Create a this in right expression
BooleanExpression	in(Expression<? extends T>... right)	Create a this in right expression
BooleanExpression	in(SubQueryExpression<? extends T> right)	Create a this in right expression
BooleanExpression	in(Collection<? extends T> right)	Create a this in right expression
BooleanExpression	in(T... right)	Create a this in right expression
BooleanExpression	isNotNull()	Create a this is not null expression
BooleanExpression	isNull()	Create a this is null expression
BooleanExpression	ne(Expression<? super T> right)	Create a this <> right expression
BooleanExpression	ne(T right)	Create a this <> right expression
BooleanExpression	neAll(CollectionExpression<?,? super T> right)	Create a this != all right expression
BooleanExpression	neAny(CollectionExpression<?,? super T> right)	Create a this != any right expression
BooleanExpression	notIn(CollectionExpression<?,? extends T> right)	Create a this not in right expression
BooleanExpression	notIn(Expression<? extends T>... right)	Create a this not in right expression
BooleanExpression	notIn(SubQueryExpression<? extends T> right)	Create a this not in right expression
BooleanExpression	notIn(Collection<? extends T> right)	Create a this not in right expression
BooleanExpression	notIn(T... right)	Create a this not in right expression
SimpleExpression<T>	nullif(Expression<T> other)	Create a nullif(this, other) expression
SimpleExpression<T>	nullif(T other)	Create a nullif(this, other) expression
CaseForEqBuilder<T>	when(Expression<? extends T> other)	Create a case expression builder
CaseForEqBuilder<T>	when(T other)	Create a case expression builder

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

Constructor Details

SimpleExpression

public SimpleExpression(Expression<T> mixin)

Method Details

as

public SimpleExpression<T> as(Path<T> alias)

Create an alias for the expression

Overrides:

as in class DslExpression<T>

Returns:

alias expression

as

public SimpleExpression<T> as(String alias)

Create an alias for the expression

Overrides:

as in class DslExpression<T>

Returns:

alias expression

isNotNull

public BooleanExpression isNotNull()

Create a this is not null expression

Returns:

this is not null

isNull

public BooleanExpression isNull()

Create a this is null expression

Returns:

this is null

count

public NumberExpression<Long> count()

Get the count(this) expression

Returns:

count(this)

countDistinct

public NumberExpression<Long> countDistinct()

Get the count(distinct this) expression

Returns:

count(distinct this)

eq

public BooleanExpression eq(T right)

Create a this == right expression

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

Parameters:

right - rhs of the comparison

Returns:

this == right

eq

public BooleanExpression eq(Expression<? super T> right)

Create a this == right expression

Parameters:

right - rhs of the comparison

Returns:

this == right

eqAll

public BooleanExpression eqAll(CollectionExpression<?,? super T> right)

Create a this == all right expression

Parameters:

right -

Returns:

this == all right

eqAny

public BooleanExpression eqAny(CollectionExpression<?,? super T> right)

Create a this == < right expression

Parameters:

right -

Returns:

this == any right

eqAll

public BooleanExpression eqAll(SubQueryExpression<? extends T> right)

Create a this == all right expression

Parameters:

right -

Returns:

this == all right

eqAny

public BooleanExpression eqAny(SubQueryExpression<? extends T> right)

Create a this == any right expression

Parameters:

right -

Returns:

this == any right

in

public BooleanExpression in(Collection<? extends T> right)

Create a this in right expression

Parameters:

right - rhs of the comparison

Returns:

this in right

in

public BooleanExpression in(T... right)

Create a this in right expression

Parameters:

right - rhs of the comparison

Returns:

this in right

in

public BooleanExpression in(CollectionExpression<?,? extends T> right)

Create a this in right expression

Parameters:

right - rhs of the comparison

Returns:

this in right

in

public BooleanExpression in(SubQueryExpression<? extends T> right)

Create a this in right expression

Parameters:

right - rhs of the comparison

Returns:

this in right

in

public BooleanExpression in(Expression<? extends T>... right)

Create a this in right expression

Parameters:

right - rhs of the comparison

Returns:

this in right

ne

public BooleanExpression ne(T right)

Create a this <> right expression

Parameters:

right - rhs of the comparison

Returns:

this != right

ne

public BooleanExpression ne(Expression<? super T> right)

Create a this <> right expression

Parameters:

right - rhs of the comparison

Returns:

this != right

neAll

public BooleanExpression neAll(CollectionExpression<?,? super T> right)

Create a this != all right expression

Parameters:

right -

Returns:

this != all right

neAny

public BooleanExpression neAny(CollectionExpression<?,? super T> right)

Create a this != any right expression

Parameters:

right -

Returns:

this != any right

notIn

public BooleanExpression notIn(Collection<? extends T> right)

Create a this not in right expression

Parameters:

right - rhs of the comparison

Returns:

this not in right

notIn

public BooleanExpression notIn(T... right)

Create a this not in right expression

Parameters:

right - rhs of the comparison

Returns:

this not in right

notIn

public BooleanExpression notIn(CollectionExpression<?,? extends T> right)

Create a this not in right expression

Parameters:

right - rhs of the comparison

Returns:

this not in right

notIn

public BooleanExpression notIn(SubQueryExpression<? extends T> right)

Create a this not in right expression

Parameters:

right - rhs of the comparison

Returns:

this not in right

notIn

public BooleanExpression notIn(Expression<? extends T>... right)

Create a this not in right expression

Parameters:

right - rhs of the comparison

Returns:

this not in right

nullif

public SimpleExpression<T> nullif(Expression<T> other)

Create a nullif(this, other) expression

Parameters:

other -

Returns:

nullif(this, other)

nullif

public SimpleExpression<T> nullif(T other)

Create a nullif(this, other) expression

Parameters:

other -

Returns:

nullif(this, other)

when

public CaseForEqBuilder<T> when(T other)

Create a case expression builder

Parameters:

other -

Returns:

case expression builder

when

public CaseForEqBuilder<T> when(Expression<? extends T> other)

Create a case expression builder

Parameters:

other -

Returns:

case expression builder