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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-11871" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-c1e3bd48-5389-4267-8b01-21d365512039" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11871" style="color: #3b73af; text-decoration: none">HHH-11871</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-11871" style="color: #3b73af; text-decoration: none">Do not generate attributes for property-methods that accept parameters</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-c1e3bd48-5389-4267-8b01-21d365512039" 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"> 5.2.10 </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">Components:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-jpamodelgen </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"> 14/Jul/2017 05:00 AM </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="DerEineDa" id="email_DerEineDa" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=DerEineDa" style="color:#6c797f;; color: #3b73af; text-decoration: none">Christian Ciach</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">Let's assume I have a simple entity class:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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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">
<span class="code-keyword" style="color: #000091">import</span> java.util.ArrayList;
<span class="code-keyword" style="color: #000091">import</span> java.util.List;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Entity;
@Entity
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>EntryContainer {
        <span class="code-keyword" style="color: #000091">private</span> List<ScheduleEntry> entries = <span class="code-keyword" style="color: #000091">new</span> ArrayList<>();
        <span class="code-keyword" style="color: #000091">public</span> List<ScheduleEntry> getEntries() {
                <span class="code-keyword" style="color: #000091">return</span> entries;
        }
        <span class="code-keyword" style="color: #000091">public</span> void setEntries(List<ScheduleEntry> entries) {
                <span class="code-keyword" style="color: #000091">this</span>.entries = entries;
        }
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This generates the following Metamodel:</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">
<span class="code-keyword" style="color: #000091">import</span> javax.annotation.Generated;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.metamodel.ListAttribute;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.metamodel.StaticMetamodel;
@Generated(value = <span class="code-quote" style="color: #009100">"org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor"</span>)
@StaticMetamodel(EntryContainer.class)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">abstract</span> <span class="code-keyword" style="color: #000091">class </span>EntryContainer_ {
        <span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> <span class="code-keyword" style="color: #000091">volatile</span> ListAttribute<EntryContainer, ScheduleEntry> entries;
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Great! But now let's add a method to the entity 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">
        <span class="code-keyword" style="color: #000091">public</span> Set<ScheduleEntry> getEntries(Predicate<? <span class="code-keyword" style="color: #000091">super</span> ScheduleEntry> filter) {
                <span class="code-keyword" style="color: #000091">return</span> entries.stream().filter(filter).collect(Collectors.toSet());
        }
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Notice that this is completely okay for Hibernate ORM. Because this method accepts parameters, there is no need to annotate this method with @Transient, as it is skipped by Hibernate ORM anyway. But not so with hibernate-jpamodelgen!</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">hibernate-jpamodelgen creates a Metamodel including this method. Worse yet, this method has the same name as the proper getter-method for Hibernate ORM, so hibernate-jpamodelgen replaces the correct attribute inside the Metamodel with the wrong attribute of this wrongly included method:</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">
@Generated(value = <span class="code-quote" style="color: #009100">"org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor"</span>)
@StaticMetamodel(EntryContainer.class)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">abstract</span> <span class="code-keyword" style="color: #000091">class </span>EntryContainer_ {
        <span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> <span class="code-keyword" style="color: #000091">volatile</span> SetAttribute<EntryContainer, ScheduleEntry> entries;
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Notice that the correct ListAttribute has been overwritten with the wrong SetAttribute.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I think hibernate-jpamodelgen should skip methods that accept parameters for metadata generation.</p> </td>
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