ch.elca.el4j.services.persistence.hibernate.criteria
Class CriteriaTransformer

java.lang.Object
  ch.elca.el4j.services.persistence.hibernate.criteria.CriteriaTransformer

public class CriteriaTransformer
extends Object

This class transforms the EL4J Criteria of a given QueryObject into the corresponding Hibernate DetachedCriteria.

Author:

Alex Mathey (AMA), Philipp Oser (POS)

File-location:

CriteriaTransformer

Last check-in date:

2009-08-04 14:25:40 +0200 (Di, 04. Aug 2009) by swismer for revision 3874

Constructor Summary

protected

CriteriaTransformer() Hide default constructor.

Method Summary

protected static void	addCriteriaListToJunction(List<Criteria> criterias, Junction combination)
protected static void	addOrderConstraints(DetachedCriteria hibernateCriteria, QueryObject query)
protected static Criterion[]	apply2HibernateCriterion(List<Criteria> criterias) Apply operator (from functional programming)
protected static Criterion	el4jCriteria2HibernateCriterion(Criteria criteria) Converts EL4J Criteria to Hibernate Criterion.
static DetachedCriteria	transform(QueryObject query, Class<?> domainObjectClass) Transforms EL4J Criteria of the given QueryObject into the corresponding Hibernate DetachedCriteria.

Methods inherited from class java.lang.Object

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

Constructor Detail

CriteriaTransformer

protected CriteriaTransformer()

Hide default constructor.

Method Detail

transform

public static DetachedCriteria transform(QueryObject query,
                                         Class<?> domainObjectClass)

Transforms EL4J Criteria of the given QueryObject into the corresponding Hibernate DetachedCriteria.

Parameters:

query - the query object whose criteria will be transformed

domainObjectClass - the class of the domain object for which the Hibernate criteria will be generated

Returns:

the Hibernate criteria corresponding to the QueryObject's EL4J criteria.

addOrderConstraints

protected static void addOrderConstraints(DetachedCriteria hibernateCriteria,
                                          QueryObject query)

el4jCriteria2HibernateCriterion

protected static Criterion el4jCriteria2HibernateCriterion(Criteria criteria)

Converts EL4J Criteria to Hibernate Criterion.

Parameters:

criteria -

Returns:

the converted Criterion

addCriteriaListToJunction

protected static void addCriteriaListToJunction(List<Criteria> criterias,
                                                Junction combination)

Parameters:

currentEl4jCriteria -

combination -

apply2HibernateCriterion

protected static Criterion[] apply2HibernateCriterion(List<Criteria> criterias)

Apply operator (from functional programming)

Parameters:

criterias - must not be null

Returns: