cz.encircled.joiner.query

Class Q

java.lang.Object

cz.encircled.joiner.query.Q

public class Q
extends Object

This class contains helper methods for joiner query building

Constructor Summary

Constructors

Constructor and Description
Q()

Method Summary

Modifier and Type	Method and Description
static <T> JoinerQuery<T,Long>	count(com.querydsl.core.types.EntityPath<T> from) Build count query
static <T> JoinerQuery<T,T>	from(com.querydsl.core.types.EntityPath<T> from) Build "from" clause of query
static FromBuilder<com.querydsl.core.Tuple>	select(com.querydsl.core.types.Expression<?>... returnProjections) Build tuple query projections (i.e.
static <R> FromBuilder<R>	select(com.querydsl.core.types.Expression<R> returnProjection) Build query projection (i.e.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Q

public Q()

Method Detail

select

public static FromBuilder<com.querydsl.core.Tuple> select(com.querydsl.core.types.Expression<?>... returnProjections)

Build tuple query projections (i.e. select clause)

Parameters:

returnProjections - path to query projection

Returns:

joiner query with custom tuple query projection

select

public static <R> FromBuilder<R> select(com.querydsl.core.types.Expression<R> returnProjection)

Build query projection (i.e. select clause)

Type Parameters:

R - type of source entity

Parameters:

returnProjection - path to query projection

Returns:

joiner query with custom query projection

from

public static <T> JoinerQuery<T,T> from(com.querydsl.core.types.EntityPath<T> from)

Build "from" clause of query

Type Parameters:

T - type of source entity

Parameters:

from - alias of source entity

Returns:

joiner query

count

public static <T> JoinerQuery<T,Long> count(com.querydsl.core.types.EntityPath<T> from)

Build count query

Type Parameters:

T - type of source entity

Parameters:

from - alias of source entity

Returns:

count joiner query