DATAJPA-284 - Added @OneToOne as annotation to be considered an association.

src/main/java/org/springframework/data/jpa/mapping/JpaPersistentPropertyImpl.java

@@ -28,6 +28,7 @@ import javax.persistence.Id;
 import javax.persistence.ManyToMany;
 import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
+import javax.persistence.OneToOne;
 import javax.persistence.metamodel.EmbeddableType;
 import javax.persistence.metamodel.ManagedType;
 import javax.persistence.metamodel.Metamodel;
@@ -53,6 +54,7 @@ class JpaPersistentPropertyImpl extends AnnotationBasedPersistentProperty<JpaPer
 
 		Set<Class<? extends Annotation>> annotations = new HashSet<Class<? extends Annotation>>();
 		annotations.add(OneToMany.class);
+		annotations.add(OneToOne.class);
 		annotations.add(ManyToMany.class);
 		annotations.add(ManyToOne.class);
 

src/test/java/org/springframework/data/jpa/mapping/JpaPersistentPropertyImplUnitTests.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.jpa.mapping;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+
+import javax.persistence.OneToOne;
+import javax.persistence.metamodel.Metamodel;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+
+/**
+ * Unit tests for {@link JpaPersistentPropertyImpl}.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class JpaPersistentPropertyImplUnitTests {
+
+	@Mock
+	Metamodel model;
+
+	JpaMetamodelMappingContext context;
+	JpaPersistentEntity<?> entity;
+
+	@Before
+	public void setUp() {
+
+		context = new JpaMetamodelMappingContext(model);
+		entity = context.getPersistentEntity(Sample.class);
+	}
+
+	/**
+	 * @see DATAJPA-284
+	 */
+	@Test
+	public void considersOneToOneMappedPropertyAnAssociation() {
+
+		JpaPersistentProperty property = entity.getPersistentProperty("other");
+		assertThat(property.isAssociation(), is(true));
+	}
+
+	static class Sample {
+
+		@OneToOne
+		Sample other;
+	}
+}