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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNWE1MDExNDhjZGEwNGM0ZmI1Mjc2MjJkMDMyOGVmNzEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13279?atlOrigin=eyJpIjoiNWE1MDExNDhjZGEwNGM0ZmI1Mjc2MjJkMDMyOGVmNzEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-77691820-70ab-443d-b49d-6986024e2a74" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13279?atlOrigin=eyJpIjoiNWE1MDExNDhjZGEwNGM0ZmI1Mjc2MjJkMDMyOGVmNzEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13279</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-13279?atlOrigin=eyJpIjoiNWE1MDExNDhjZGEwNGM0ZmI1Mjc2MjJkMDMyOGVmNzEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Save a HashBag implementing UserCollectionType</a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-77691820-70ab-443d-b49d-6986024e2a74" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.3.7 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 20/Feb/2019 02:53 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Spring Boot Data JPA 2.1.1 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> CustomType hibernate </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-minor-77eb40eb-173e-4e96-a24d-c311d23312ab" height="16" width="16" border="0" align="absmiddle" alt="Minor" style="vertical-align: text-bottom"> Minor </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="fdezgonzalezraquel" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_fdezgonzalezraquel" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5b86ce66358c9f2a008ecda7"> Raquel Fernández González </a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">I have an Apache Collections HashBag with a @OneToMany relation. <br> I created a class "PersistentHashBagType" which implements "UserCollectionType" to try using type HashBag directly without transforming it to type List, but I have an exception because Hibernate do not detect the HashBag like Collection for use @OneToMany @ManyToMany or @CollectionOfElements. </p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Is that ok? How can I use the HashBag with Hibernate?</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I referer the class in the entity of my HashBag with the annotation:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">{{@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)<br> @org.hibernate.annotations.CollectionType(type="com.serviceapi.model.tools.PersistentHashBagType")<br> public HashBag<Profesor> getHashBagProfesores() </p> { return hashBagProfesores; } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">}}</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">And this is the implementation of PersistentHashBagType:<br> {{<br> package com.serviceapi.model.tools;</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">import java.util.Iterator;<br> import java.util.Map;</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">import org.apache.commons.collections4.bag.HashBag;<br> import org.hibernate.HibernateException;<br> import org.hibernate.collection.internal.PersistentBag;<br> import org.hibernate.collection.spi.PersistentCollection;<br> import org.hibernate.engine.spi.SharedSessionContractImplementor;<br> import org.hibernate.persister.collection.CollectionPersister;<br> import org.hibernate.usertype.UserCollectionType;</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">public class PersistentHashBagType implements UserCollectionType {</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public PersistentCollection instantiate(SharedSessionContractImplementor session, CollectionPersister persister)<br> throws HibernateException </p> { return new PersistentBag(session); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public PersistentCollection wrap(SharedSessionContractImplementor session, Object collection) </p> { return new PersistentBag(session, (HashBag<?>)collection); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public Iterator<?> getElementsIterator(Object collection) </p> { return ((HashBag<?>) collection).iterator(); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public boolean contains(Object collection, Object entity) </p> { return ((HashBag<?>) collection).contains(entity); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public Object indexOf(Object collection, Object entity) </p> { throw new UnsupportedOperationException(); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public Object replaceElements(Object original, Object target, CollectionPersister persister, Object owner,<br> Map copyCache, SharedSessionContractImplementor session) throws HibernateException </p> { ((HashBag<?>) target).clear(); ((HashBag) target).addAll((HashBag) original); return target; } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"> @Override<br> public Object instantiate(int anticipatedSize) </p> { return new HashBag<>(); } <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">}}}</p> </td>
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