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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" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-11111" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-f132d4bc-9200-42f6-8b63-71ec74c58ea5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11111" style="color: #3b73af; text-decoration: none">HHH-11111</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-11111" style="color: #3b73af; text-decoration: none">Hibernate does not correctly resolve embeddable in the metamodel</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-f132d4bc-9200-42f6-8b63-71ec74c58ea5" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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"> 17/Sep/2016 05:47 AM </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-blocker-00e49856-a48d-480e-9ddb-ff089a82d885" height="16" width="16" border="0" align="absmiddle" alt="Blocker" style="vertical-align: text-bottom"> Blocker </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="ptahchiev" id="email_ptahchiev" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=ptahchiev" style="color:#6c797f;; color: #3b73af; text-decoration: none">Petar Tahchiev</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">Hello,</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I have the following entity:</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity
<span class="code-keyword" style="color: #000091">public</span> class Product {
@ElementCollection(targetClass = LocalizedValue.class)
@CollectionTable(name = <span class="code-quote" style="color: #009100">"product_name_lv"</span>), joinColumns = {
@JoinColumn(name = <span class="code-quote" style="color: #009100">"product_pk"</span>))
}, indexes = {
@Index(columnList = <span class="code-quote" style="color: #009100">"product_pk"</span>))
})
@MapKeyColumn(name = <span class="code-quote" style="color: #009100">"locale"</span>)
<span class="code-keyword" style="color: #000091">private</span> Map<Locale, LocalizedValueInterface> name;
<span class="code-comment" style="color: #808080">// getters/setters
</span> ......
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">So basically a product with a name where the name is a <tt>Map</tt> of <tt>Locale</tt> - <tt>LocalizedValueInterface</tt> and this interface is the interface for the <tt>LocalizedValue</tt> embeddable class:</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Access(AccessType.FIELD)
@Embeddable
<span class="code-keyword" style="color: #000091">public</span> class LocalizedValue
<span class="code-keyword" style="color: #000091">implements</span> LocalizedValueInterface
{
@Column(name = <span class="code-quote" style="color: #009100">"val"</span>)
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> value;
}
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Now when Hibernate creates the JPA Metamodel I see what ends in there is a collection of all entities (which correctly contains my <tt>Product</tt> entity) and a collection of all embeddables (which <b>incorrectly</b> contains only the <tt>LocalizedValueInterface</tt>). I followed the code and found out this:</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
ParameterizedType signatureType = getSignatureType( member );
<span class="code-keyword" style="color: #000091">if</span> ( keyPersistentAttributeType == <span class="code-keyword" style="color: #000091">null</span> ) {
elementJavaType = signatureType != <span class="code-keyword" style="color: #000091">null</span> ?
getClassFromGenericArgument( signatureType.getActualTypeArguments()[0] ) :
<span class="code-object" style="color: #910091">Object</span>.class; <span class="code-comment" style="color: #808080">//FIXME and honor targetEntity?
</span> keyJavaType = <span class="code-keyword" style="color: #000091">null</span>;
}
<span class="code-keyword" style="color: #000091">else</span> {
keyJavaType = signatureType != <span class="code-keyword" style="color: #000091">null</span> ?
getClassFromGenericArgument( signatureType.getActualTypeArguments()[0] ) :
<span class="code-object" style="color: #910091">Object</span>.class; <span class="code-comment" style="color: #808080">//FIXME and honor targetEntity?
</span> elementJavaType = signatureType != <span class="code-keyword" style="color: #000091">null</span> ?
getClassFromGenericArgument( signatureType.getActualTypeArguments()[1] ) :
<span class="code-object" style="color: #910091">Object</span>.class; <span class="code-comment" style="color: #808080">//FIXME and honor targetEntity?
</span> }
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">in <tt>AttributeFactory#PluralAttributeMetadataImpl</tt> on line 781. This code inspects the map and takes the second class in the generics argument and uses it for embeddable class. I think it should take it from the <tt>@ElementCollection(targetClass = LocalizedValue.class)</tt> annotation, or it should scan the classpath for <tt>@Embeddable</tt> annotation and all those that have it.</p> </td>
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