io.katharsis.jpa.internal.query

Class QueryBuilder<T,F,O,P,E>

java.lang.Object

io.katharsis.jpa.internal.query.QueryBuilder<T,F,O,P,E>

public class QueryBuilder<T,F,O,P,E>
extends Object

Constructor Summary

Constructors

Constructor and Description
QueryBuilder(AbstractJpaQueryImpl<T,?> query, JpaQueryBackend<F,O,P,E> backend)

Method Summary

Modifier and Type	Method and Description
protected int	applyDistinct() Adds order expressions to selection if in "auto distinct" mode and the query performs a join or fetch on a relation.
protected void	applyFilterSpec()
Map<String,Integer>	applySelectionSpec()
protected void	applySortSpec()

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryBuilder

public QueryBuilder(AbstractJpaQueryImpl<T,?> query,
                    JpaQueryBackend<F,O,P,E> backend)

Method Detail

applyDistinct

protected int applyDistinct()

Adds order expressions to selection if in "auto distinct" mode and the query performs a join or fetch on a relation. In this case, attributes from referenced entities inlucded in the sort clause must be added to the select clause as well.

Returns:

number of attributes that were needed to compute a distinct

applySelectionSpec

public Map<String,Integer> applySelectionSpec()

applySortSpec

protected void applySortSpec()

applyFilterSpec

protected void applyFilterSpec()