JPQL retornado nullPointer [RESOLVIDO]

19 de maio de 2011 12 respostas

well 19 de maio de 2011

tenho a seguinte JPQL:

public List<Municipio> listaUfMunicipio(Uf uf){
		Query query = em.createQuery("select m from Municipio m where m.uf = "+ uf.getId());
		return query.getResultList();
	
		
	}

que faz o seguinte, lista todos municipios que tem o mesmo codigo da uf passada.

do jeito que esta acima da o nullPointerException mas se eu fizer assim ele lista os municipios correspondentes a uf de cod 1..

public List<Municipio> listaUfMunicipio(Uf uf){
		Query query = em.createQuery("select m from Municipio m where m.uf = 1);
		return query.getResultList();
	
		
	}

pq meu uf.getId nao esta pegando os id's....???
coloquei um breakpoint e diz que Uf=null

12 Respostas

WRYEL 19 de mai. de 2011

seu método está recebendo uma objeto Uf com o id nulo. Se for o caso, coloque um ponto de debug e tente trocar o valor do id em tempo de execução que irá funcionar como você mesmo descreveu!

well 19 de mai. de 2011

mas eu precisava saber pq daquele jeito nao esta funcionado… pois necessito que aquele codigo funcione… eu sei que ele esta vindo null e se eu altera-lo ira funcionar… mas gostaria de saber pq está vindo null se tem dados no banco…

kritiuns 19 de mai. de 2011

Hey brow posta a classe UF ae …(viajei) achei q era hibernate

–edit posta o lugar em que vc instancia a classe Uf provavelmente dentro de um while com um resultSet…
e manda o lugar em que vc chama o método listaUfMunicipio(Uf uf)

abraço.

well 19 de mai. de 2011

uf.java

package br.com.engtec.combo.modelo;

import java.util.List;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToMany;

@Entity
public class Uf {
		
		@Id
		@GeneratedValue
		private Integer id;
		private String nome;
	
	@OneToMany(mappedBy="uf", fetch=FetchType.LAZY)
	private List<Municipio> municipios;

	

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getNome() {
		return nome;
	}

	public void setNome(String nome) {
		this.nome = nome;
	}

	public List<Municipio> getMunicipios() {
		return municipios;
	}

	public void setMunicipios(List<Municipio> municipios) {
		this.municipios = municipios;
	}
	
	
}

MunicipioDAO - onde chamo o uf.getId

package br.com.engtec.combo.DAO;

import java.util.List;


import javax.persistence.EntityManager;
import javax.persistence.Query;




import br.com.caelum.vraptor.ioc.Component;
import br.com.engtec.combo.modelo.Municipio;
import br.com.engtec.combo.modelo.Uf;

@Component
public class MunicipioDAO {
	private final DAO<Municipio> dao;
	private final EntityManager em;
	
	
	

	public MunicipioDAO(EntityManager em) {
		dao = new DAO<Municipio>(em, Municipio.class);
		this.em = em;
		
		
	}

	public void adiciona(Municipio t) {
		dao.adiciona(t);
	}

	public void remove(Municipio t) {
		dao.remove(t);
	}

	public void altera(Municipio t) {
		dao.altera(t);
	}

	public Municipio busca(Integer id) {
		return dao.busca(id);
	}

	public List<Municipio> lista() {
		return dao.lista();
	} 
	
	

	
	@SuppressWarnings("unchecked")
	public List<Municipio> listaUfMunicipio(Uf uf){
		Query query = em.createQuery("select m from Municipio m where m.uf = "+ uf.getId());  //este aqui que esta retornando null
		if(uf.getId()== null){
			
		}
		return query.getResultList();
	
		
	}
}

e o controller do vraptor

@Get @Path("/municipios/buscaMunicipios.json")
	public void loadMunicipios(Uf uf){
	    List<Municipio> municipios = dao.listaUfMunicipio(uf);
	    result.use(Results.json()).withoutRoot().from(municipios)
	        .serialize();
	}

clunsde 19 de mai. de 2011

usa query.setParameter()

well 19 de mai. de 2011

sem querer ser chato como posso fazer??.. fiz varios tipo e ate agora nada…

WRYEL 19 de mai. de 2011

para o caso dele aqui, acredito que dá no mesmo.

@Get @Path("/municipios/buscaMunicipios.json")  
        public void loadMunicipios(Uf uf){ // já está vindo nullo daqui ...
            List<Municipio> municipios = dao.listaUfMunicipio(uf);  
            result.use(Results.json()).withoutRoot().from(municipios)  
                .serialize();  
        }

Cara, não manjo de vraptor, mas acredito ser parecido com o Spring MVC. Então vamos ao seu caso, no trecho acima, você não está setando em lugar algum o Id do uf, então, to supondo que ele TENHA que vir populado já pelo vraptor. Agora a duvida, você tem certeza que está setando o Id da Uf antes do vraptor chamar o seu loadMunicipios?

kritiuns 19 de mai. de 2011

tem q i mais a fundo ainda cara …
tem q ser o momento em q vc busca o uf…

onde ocorre a chamada desse método ?

loadMunicipios(Uf uf)

Diego_Adriano 19 de mai. de 2011

Well, vc esta usando o Hibernate para fazer a pesquisa, espera-se com isso diminuir o codigo SQL …
Bem … tb já passei por isso … de uma olhada no codigo:

public List<Cliente> ClientesAtivos(Cliente cliente){
		
		Query query = null;
		
		System.out.println("REPOSITORY CLIENTES ATIVOS + CPF");
		if (cliente.getCpf() != null) {
			query = this.entityManager.createQuery("from Cliente as c where" +
			 " c.situacao =:situacao"+
			 	"AND c.cpf =:cpf");
			query.setParameter("situacao", "A");
			query.setParameter("cpf", cliente.getCpf());
		}
		else if(cliente.getId() != null){
			query = this.entityManager.createQuery("from Cliente as c where" +
					 " c.situacao =:situacao"+
					 	"AND c.id =:id");
					query.setParameter("situacao", "A");
					query.setParameter("id", cliente.getId());
		}
		else if(cliente.getNome() != null && cliente.getSobrenome() == null){
			query = this.entityManager.createQuery("from Cliente as c where" +
					 " c.situacao =:situacao"+
					 	"AND LIKE c.nome =:nome");
					query.setParameter("situacao", "A");
					query.setParameter("nome", cliente.getNome());
		}
		else if(cliente.getNome() != null && cliente.getSobrenome() != null){
			query = this.entityManager.createQuery("from Cliente as c where" +
					 " c.situacao =:situacao"+
					 "AND LIKE c.nome =:nome"+
					 "AND LIKE c.sobrenome =:sobrenome");
					query.setParameter("situacao", "A");
					query.setParameter("nome", cliente.getNome());
					query.setParameter("nome", cliente.getSobrenome());
		}
		
		//System.out.println("SITACAO: "+" "+ cliente.getSituacao());
		return query.getResultList();
	}

Observe essa parte do código … que é o que muda:

c.situacao =:situacao"+
			 	"AND c.cpf =:cpf");
			query.setParameter("situacao", "A");
			query.setParameter("cpf", cliente.getCpf());

coloque “=:” e depois set os parametros para ele …

Bem . espero ter ajudado …
Abraços

well 19 de mai. de 2011

salve galera… mudei a estrategia… estou usando criteria…

se eu faço como esta abaixo, ele compara a PK da tabela uf com a PK da tabela municipio… e lista… errado mas lista…

public List<Municipio> listaUfMunicipio(Long uf){
		Session session = (Session) em.getDelegate();
	    return session.createCriteria(Municipio.class)
	            .add(Restrictions.like("id", uf))
	            .list();
	}

se faço assim

public List<Municipio> listaUfMunicipio(Long uf){
		Session session = (Session) em.getDelegate();
	    return session.createCriteria(Municipio.class)
	            .add(Restrictions.like("uf", uf))
	            .list();
	}

gera o seguinte erro…

19/05/2011 18:06:39 org.apache.catalina.core.StandardWrapperValve invoke GRAVE: Servlet.service() for servlet default threw exception br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of br.com.engtec.combo.modelo.Uf.id at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:86) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:69) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:90) at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:42) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.InterceptorListPriorToExecutionExtractor.intercept(InterceptorListPriorToExecutionExtractor.java:44) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:81) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:67) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.DefaultRequestExecution.execute(DefaultRequestExecution.java:70) at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92) at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:56) at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) Caused by: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of br.com.engtec.combo.modelo.Uf.id at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:62) at org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:230) at org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3852) at org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3560) at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:204) at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:243) at org.hibernate.type.EntityType.getIdentifier(EntityType.java:449) at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:141) at org.hibernate.loader.Loader.bindPositionalParameters(Loader.java:1769) at org.hibernate.loader.Loader.bindParameterValues(Loader.java:1740) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1612) at org.hibernate.loader.Loader.doQuery(Loader.java:717) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:270) at org.hibernate.loader.Loader.doList(Loader.java:2294) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2172) at org.hibernate.loader.Loader.list(Loader.java:2167) at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1706) at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347) at br.com.engtec.combo.DAO.MunicipioDAO.listaUfMunicipio(MunicipioDAO.java:73) at br.com.engtec.combo.controller.MunicipiosController.loadMunicipios(MunicipiosController.java:32) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:57) ... 40 more Caused by: java.lang.IllegalArgumentException: Can not set java.lang.Long field br.com.engtec.combo.modelo.Uf.id to java.lang.Long at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source) at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source) at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(Unknown Source) at sun.reflect.UnsafeObjectFieldAccessorImpl.get(Unknown Source) at java.lang.reflect.Field.get(Unknown Source) at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:59) ... 65 more Hibernate: select this_.id as id6_1_, this_.nome as nome6_1_, this_.idUf as idUf6_1_, uf2_.id as id7_0_, uf2_.nome as nome7_0_ from Municipio this_ left outer join Uf uf2_ on this_.idUf=uf2_.id where this_.idUf like ? 19/05/2011 18:06:40 org.apache.catalina.core.StandardWrapperValve invoke GRAVE: Servlet.service() for servlet default threw exception br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of br.com.engtec.combo.modelo.Uf.id at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:86) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:69) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:90) at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:42) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.InterceptorListPriorToExecutionExtractor.intercept(InterceptorListPriorToExecutionExtractor.java:44) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:81) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:67) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56) at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:53) at br.com.caelum.vraptor.core.DefaultRequestExecution.execute(DefaultRequestExecution.java:70) at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92) at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:56) at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Unknown Source) Caused by: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of br.com.engtec.combo.modelo.Uf.id at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:62) at org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:230) at org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3852) at org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3560) at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:204) at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:243) at org.hibernate.type.EntityType.getIdentifier(EntityType.java:449) at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:141) at org.hibernate.loader.Loader.bindPositionalParameters(Loader.java:1769) at org.hibernate.loader.Loader.bindParameterValues(Loader.java:1740) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1612) at org.hibernate.loader.Loader.doQuery(Loader.java:717) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:270) at org.hibernate.loader.Loader.doList(Loader.java:2294) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2172) at org.hibernate.loader.Loader.list(Loader.java:2167) at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1706) at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347) at br.com.engtec.combo.DAO.MunicipioDAO.listaUfMunicipio(MunicipioDAO.java:73) at br.com.engtec.combo.controller.MunicipiosController.loadMunicipios(MunicipiosController.java:32) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:57) ... 40 more Caused by: java.lang.IllegalArgumentException: Can not set java.lang.Long field br.com.engtec.combo.modelo.Uf.id to java.lang.Long at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source) at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source) at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(Unknown Source) at sun.reflect.UnsafeObjectFieldAccessorImpl.get(Unknown Source) at java.lang.reflect.Field.get(Unknown Source) at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:59) ... 65 more

se alguem tiver alguma sugestao…

well 19 de mai. de 2011

Pessoal depois de muita luta, e ajuda de todos… resolvi…

eu estava passando somente a uf…

public List<Municipio> listaUfMunicipio(Long uf){
		Session session = (Session) em.getDelegate();
	    return session.createCriteria(Municipio.class)
	            .add(Restrictions.like("uf.id", uf))
	            .list();
	}

well 19 de mai. de 2011

para o caso dele aqui, acredito que dá no mesmo.

@Get @Path("/municipios/buscaMunicipios.json")  
        public void loadMunicipios(Uf uf){ // já está vindo nullo daqui ...
            List<Municipio> municipios = dao.listaUfMunicipio(uf);  
            result.use(Results.json()).withoutRoot().from(municipios)  
                .serialize();  
        }

cara estava faltando passar o id mesmo… .add(Restrictions.like("uf.id", uf))

Obrigado…

Criado 19 de maio de 2011

Ultima resposta 19 de mai. de 2011

Respostas 12

Participantes 5

12 Respostas

Topicos relacionados