HHH-13145 - Generated metamodel class can't be compiled.

tooling/metamodel-generator/src/main/java/org/hibernate/jpamodelgen/xml/XmlMetaEntity.java

@@ -339,7 +339,7 @@ public class XmlMetaEntity implements MetaEntity {
 					return "java.lang.Double";
 				}
 				case DECLARED: {
-					return mirror.toString();
+					return ((DeclaredType)mirror).asElement().asType().toString();
 				}
 				case TYPEVAR: {
 					return mirror.toString();

tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/annotationtype/AnnotationTypeTest.java

@@ -0,0 +1,29 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.annotationtype;
+
+import org.hibernate.jpamodelgen.test.util.CompilationTest;
+import org.hibernate.jpamodelgen.test.util.TestForIssue;
+import org.hibernate.jpamodelgen.test.util.TestUtil;
+import org.hibernate.jpamodelgen.test.util.WithClasses;
+import org.hibernate.jpamodelgen.test.util.WithMappingFiles;
+import org.junit.Test;
+
+/**
+ * @author Sergey Morgunov
+ */
+@TestForIssue(jiraKey = "HHH-13145")
+public class AnnotationTypeTest extends CompilationTest {
+
+    @Test
+    @WithClasses({ Entity.class })
+    @WithMappingFiles("orm.xml")
+    public void testXmlConfiguredEntityGenerated() {
+        TestUtil.assertMetamodelClassGeneratedFor( Entity.class );
+    }
+
+}

tooling/metamodel-generator/src/test/java/org/hibernate/jpamodelgen/test/annotationtype/Entity.java

@@ -0,0 +1,47 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.jpamodelgen.test.annotationtype;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author Sergey Morgunov
+ */
+public class Entity {
+
+    private String id;
+
+    private String name;
+
+    public Entity(String id) {
+        this.id = id;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public @Custom String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER, ElementType.LOCAL_VARIABLE, ElementType.TYPE_USE})
+    @Retention(RetentionPolicy.CLASS)
+    public static @interface Custom {
+    }
+}

tooling/metamodel-generator/src/test/resources/org/hibernate/jpamodelgen/test/annotationtype/orm.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ Hibernate, Relational Persistence for Idiomatic Java
+  ~
+  ~ License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+  ~ See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+  -->
+<entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"
+                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                 xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm orm_2_0.xsd"
+                 version="2.0">
+    <persistence-unit-metadata>
+        <xml-mapping-metadata-complete/>
+    </persistence-unit-metadata>
+    <package>org.hibernate.jpamodelgen.test.annotationtype</package>
+    <entity class="Entity">
+        <table name="ENTITY"/>
+        <attributes>
+            <id name="id">
+                <column name="ID"/>
+            </id>
+            <basic name="name">
+                <column name="NAME"/>
+            </basic>
+        </attributes>
+    </entity>
+</entity-mappings>