You are right (as usually grrr ;-) ). Maybe constraint for this case would be fine. In manual isn't explained what happen if opposite side is !aggregateRoot. It should be also constrained that relation many-to-many to !aggregateRoot is senseless.
Thanks again Pavel On Thu, Jun 25, 2009 at 8:45 AM, Patrik Nordwall<[email protected]> wrote: > > The problem is that in the hbm file <set is defined. > > I looked in the code generation template and for manyToManyReference there > is: > LET getCollectionType() == "bag" ? "bag" : "set" AS collection > > I would guess that for many-to-many it doesn't make sense to use an ordered > List. We should probably have a constraint error on this case. > > Probably you would like a one-to-many instead. You do that by adding > reference in Employee to OrgUnit and define opposite, i.e. make the > association bidirectional. > If you don't want bidirectional, you can keep it as is but add the inverse > keyword. > This is described in > http://fornax.itemis.de/confluence/display/fornax/3.+Advanced+Tutorial+(CSC)#3.AdvancedTutorial(CSC)-Collections > > /Patrik > > > PaloT wrote: >> >> Hello, >> in my project following error is raised. I don't know why Set is >> expected because everywhere List is declared. I'm using 1.5. Any idea? >> >> TNX >> >> STACK TRACE: >> java.lang.ClassCastException: java.util.ArrayList cannot be cast to >> java.util.Set >> at org.hibernate.type.SetType.wrap(SetType.java:39) >> at >> org.hibernate.event.def.WrapVisitor.processArrayOrNewCollection(WrapVisitor.java:84) >> at >> org.hibernate.event.def.WrapVisitor.processCollection(WrapVisitor.java:51) >> at >> org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:101) >> at >> org.hibernate.event.def.WrapVisitor.processValue(WrapVisitor.java:98) >> at >> org.hibernate.event.def.AbstractVisitor.processEntityPropertyValues(AbstractVisitor.java:55) >> at >> org.hibernate.event.def.DefaultFlushEntityEventListener.wrapCollections(DefaultFlushEntityEventListener.java:192) >> at >> org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:125) >> at >> org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196) >> at >> org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76) >> at >> org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26) >> at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000) >> at >> org.springframework.orm.hibernate3.HibernateAccessor.flushIfNecessary(HibernateAccessor.java:390) >> at >> org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:105) >> at >> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) >> at >> org.springframework.aop.framework.adapter.ThrowsAdviceInterceptor.invoke(ThrowsAdviceInterceptor.java:126) >> at >> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) >> at >> org.fornax.cartridges.sculptor.framework.errorhandling.ServiceContextStoreAdvice.invoke(ServiceContextStoreAdvice.java:39) >> at >> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) >> at >> org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) >> at >> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) >> at >> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) >> at $Proxy9.save(Unknown Source) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at sk.f4s.pic.web.server.ScServlet.handleRequest(ScServlet.java:348) >> >> DESIGN: >> Entity OrgUnit { >> scaffold >> String name key length="30"; >> - @OrgUnitKind orgUnitKind nullable; >> - @Employee boss nullable; >> - List<@Employee> employee; >> - @OrgUnit parent nullable; >> } >> >> HBM.XML: >> <?xml version="1.0" encoding="UTF-8"?> >> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping >> DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd";> >> >> <hibernate-mapping> >> <class name="sk.f4s.pic.org.domain.OrgUnit" table="ORGUNIT"> >> <id name="id"> >> <generator class="native"/> >> </id> >> <version name="version" type="java.lang.Long"/> >> <!-- <natural-id> There is a BUG HHH-1569 that prevents us from >> using <natural-id> --> >> <property name="name" length="30" not-null="true" unique="true"/> >> <!-- </natural-id> --> >> <property name="createdDate" type="timestamp"/> >> <property name="createdBy" length="50"/> >> <property name="lastUpdated" type="timestamp"/> >> <property name="lastUpdatedBy" length="50"/> >> <many-to-one name="orgUnitKind" column="ORGUNITKIND" >> class="sk.f4s.pic.org.domain.OrgUnitKind" cascade="all"/> >> <many-to-one name="boss" column="BOSS" >> class="sk.f4s.pic.org.domain.Employee" cascade="all"/> >> <many-to-one name="parent" column="PARENT" >> class="sk.f4s.pic.org.domain.OrgUnit" cascade="all"/> >> <set name="employee" table="EMPLOYEE_ORGUNIT" cascade="all"> >> <key column="ORGUNIT"/> >> <many-to-many column="EMPLOYEE" >> class="sk.f4s.pic.org.domain.Employee"/> >> </set> >> </class> >> </hibernate-mapping> >> >> >> BASE: >> public abstract class OrgUnitBase extends AbstractDomainObject >> implements Auditable { >> private Long id; >> private String name; >> private Date createdDate; >> private String createdBy; >> private Date lastUpdated; >> private String lastUpdatedBy; >> private Long version; >> private OrgUnitKind orgUnitKind; >> private Employee boss; >> private OrgUnit parent; >> private List<Employee> employee = new ArrayList<Employee>(); >> >> protected OrgUnitBase() { >> } >> >> public OrgUnitBase(@Name("name") >> String name) { >> super(); >> Validate.notNull(name); >> this.name = name; >> } >> >> public Long getId() { >> return id; >> } >> >> /** >> * The id is not intended to be changed or assigned manually, but >> * for test purpose it is allowed to assign the id. >> */ >> protected void setId(Long id) { >> if ((this.id != null) && !this.id.equals(id)) { >> throw new IllegalArgumentException( >> "Not allowed to change the id property."); >> } >> this.id = id; >> } >> >> public String getName() { >> return name; >> } >> >> @SuppressWarnings("unused") >> private void setName(String name) { >> if ((this.name != null) && !this.name.equals(name)) { >> throw new IllegalArgumentException( >> "Not allowed to change the name property."); >> } >> this.name = name; >> } >> >> public Date getCreatedDate() { >> return createdDate; >> } >> >> public void setCreatedDate(Date createdDate) { >> this.createdDate = createdDate; >> } >> >> public String getCreatedBy() { >> return createdBy; >> } >> >> public void setCreatedBy(String createdBy) { >> this.createdBy = createdBy; >> } >> >> public Date getLastUpdated() { >> return lastUpdated; >> } >> >> public void setLastUpdated(Date lastUpdated) { >> this.lastUpdated = lastUpdated; >> } >> >> public String getLastUpdatedBy() { >> return lastUpdatedBy; >> } >> >> public void setLastUpdatedBy(String lastUpdatedBy) { >> this.lastUpdatedBy = lastUpdatedBy; >> } >> >> public Long getVersion() { >> return version; >> } >> >> public void setVersion(Long version) { >> this.version = version; >> } >> >> public OrgUnitKind getOrgUnitKind() { >> return orgUnitKind; >> } >> >> public void setOrgUnitKind(OrgUnitKind orgUnitKind) { >> this.orgUnitKind = orgUnitKind; >> } >> >> public Employee getBoss() { >> return boss; >> } >> >> public void setBoss(Employee boss) { >> this.boss = boss; >> } >> >> public OrgUnit getParent() { >> return parent; >> } >> >> public void setParent(OrgUnit parent) { >> this.parent = parent; >> } >> >> public List<Employee> getEmployee() { >> return employee; >> } >> >> @SuppressWarnings("unused") >> private void setEmployee(List<Employee> employee) { >> this.employee = employee; >> } >> >> /** >> * This method is used by equals and hashCode. >> * @return {...@link #getName} >> */ >> public Object getKey() { >> return getName(); >> } >> } >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Fornax-developer mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/fornax-developer >> >> > > -- > View this message in context: > http://www.nabble.com/Problem-tp24193872s17564p24197846.html > Sent from the Fornax-Platform mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > _______________________________________________ > Fornax-developer mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/fornax-developer > ------------------------------------------------------------------------------ _______________________________________________ Fornax-developer mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/fornax-developer
