Hibernate Criteria Transformers.aliasToBean is not populating correct values

Question

I am trying to create BO by joining my entity classes

Criteria criteria = session.createCriteria(Report.class,"r"); criteria .createAlias("template", "t") .createAlias("constituents", "rc") .createAlias("rc.entity", "pe") .createAlias("pe.model", "m") .createAlias("pe.scenario", "s") .setProjection(Projections.projectionList() .add( Projections.property("r.Id")) .add( Projections.property("t.Typ")) .add( Projections.property("pe.bId")) .add( Projections.property("m.model")) .add( Projections.property("s.decay")) ).setMaxResults(100) .addOrder(Order.asc("r.Id")) .setResultTransformer(Transformers.aliasToBean(BO.class));

I am getting 100 empty BO i.e. all properties are null My BO is as follows

public class BO implements Serializable { private static final long serialVersionUID = 1L; private int Id; private String Typ; private String bId; private String model; private String decay; Getters and Setters

.....

When I remove the line aliasToBean and iterate over Object[] I could see the correct values fetched Please guide me...

atrain · Accepted Answer · 2011-09-27 19:40:20Z

Try explicitly aliasing the ProjectionList items to match the field names in the bean, as follows:

Criteria criteria = session.createCriteria(Report.class,"r"); criteria .createAlias("template", "t") .createAlias("constituents", "rc") .createAlias("rc.entity", "pe") .createAlias("pe.model", "m") .createAlias("pe.scenario", "s") .setProjection(Projections.projectionList() .add( Projections.property("r.Id"), "Id") .add( Projections.property("t.Typ"), "Typ") .add( Projections.property("pe.bId"), "bId") .add( Projections.property("m.model"), "model") .add( Projections.property("s.decay"), "decay") ).setMaxResults(100) .addOrder(Order.asc("r.Id")) .setResultTransformer(Transformers.aliasToBean(BO.class));

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