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<td class="page-title-pattern-first-line " style="padding: 0px; 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-9115" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-improvement-de90bbb5-0e45-41d5-a06b-b14810d8d433" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9115" style="color: #3b73af; text-decoration: none">HHH-9115</a>
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<td style="vertical-align: top;; padding: 0px; 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-9115" style="color: #3b73af; text-decoration: none">PersistentCollection conflicts with scala collection library</a> </span>
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core
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10/Apr/14 7:33 PM
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="duantihua" id="email_duantihua" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=duantihua" style="color:#6c797f;; color: #3b73af; text-decoration: none">Tihua Duan</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When I using hibernate supports scala native collection library,I found PersistentCollection has same method empty, but have different return type.And my custom PersistentSet which referenced by custom UserCollectionType should implements scala.collection.mutable.Set and PersistentCollection simultaneously,so collision occurred.</p>
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<b>PersistentCollection.java</b>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
/**
* Is the collection empty? (don't <span class="code-keyword" style="color: #000091">try</span> to initialize the collection)
*/
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> empty();
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<b>PersistentSet.scala</b>
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
class PersistentSet(val session: SessionImplementor, <span class="code-keyword" style="color: #000091">var</span> set: mutable.HashSet[Any] = <span class="code-keyword" style="color: #000091">null</span>) <span class="code-keyword" style="color: #000091">extends</span> AbstractPersistentCollection with collection.mutable.Set[Any] {
}
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I created a project hibernate-scala (<a href="https://github.com/beangle/hibernate-scala" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/beangle/hibernate-scala</a>) support this integration. and it had supported scala native collection against my modified hibernate version.</p>
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