DATAMONGO-1063 - Fix application of Querydsl'S any().in() throwing Exception.

We now only convert paths that point to either a property or variable.

Original pull request: #230.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/support/SpringDataMongodbSerializer.java

@@ -15,6 +15,9 @@
  */
 package org.springframework.data.mongodb.repository.support;
 
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
 import java.util.regex.Pattern;
 
 import org.springframework.data.mapping.context.MappingContext;
@@ -41,7 +44,17 @@ import com.mysema.query.types.PathType;
  */
 class SpringDataMongodbSerializer extends MongodbSerializer {
 
-	private final String ID_KEY = "_id";
+	private static final String ID_KEY = "_id";
+	private static final Set<PathType> PATH_TYPES;
+
+	static {
+
+		Set<PathType> pathTypes = new HashSet<PathType>();
+		pathTypes.add(PathType.VARIABLE);
+		pathTypes.add(PathType.PROPERTY);
+
+		PATH_TYPES = Collections.unmodifiableSet(pathTypes);
+	}
 
 	private final MongoConverter converter;
 	private final MappingContext<? extends MongoPersistentEntity<?>, MongoPersistentProperty> mappingContext;
@@ -138,7 +151,7 @@ class SpringDataMongodbSerializer extends MongodbSerializer {
 
 		Path<?> parent = path.getMetadata().getParent();
 
-		if (parent == null) {
+		if (parent == null || !PATH_TYPES.contains(path.getMetadata().getPathType())) {
 			return null;
 		}
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/Person.java

@@ -46,6 +46,8 @@ public class Person extends Contact {
 	@SuppressWarnings("unused") private Sex sex;
 	Date createdAt;
 
+	List<String> skills;
+
 	@GeoSpatialIndexed private Point location;
 
 	private Address address;
@@ -271,6 +273,14 @@ public class Person extends Contact {
 		this.creator = creator;
 	}
 
+	public void setSkills(List<String> skills) {
+		this.skills = skills;
+	}
+
+	public List<String> getSkills() {
+		return skills;
+	}
+
 	/*
 	* (non-Javadoc)
 	*

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/support/QuerydslRepositorySupportUnitTests.java

@@ -18,6 +18,8 @@ package org.springframework.data.mongodb.repository.support;
 import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.*;
 
+import java.util.Arrays;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -40,8 +42,7 @@ import com.mysema.query.mongodb.MongodbQuery;
 @ContextConfiguration("classpath:infrastructure.xml")
 public class QuerydslRepositorySupportUnitTests {
 
-	@Autowired
-	MongoOperations operations;
+	@Autowired MongoOperations operations;
 	Person person;
 
 	@Before
@@ -54,9 +55,26 @@ public class QuerydslRepositorySupportUnitTests {
 	@Test
 	public void providesMongoQuery() {
 		QPerson p = QPerson.person;
-		QuerydslRepositorySupport support = new QuerydslRepositorySupport(operations) {
-		};
+		QuerydslRepositorySupport support = new QuerydslRepositorySupport(operations) {};
 		MongodbQuery<Person> query = support.from(p).where(p.lastname.eq("Matthews"));
 		assertThat(query.uniqueResult(), is(person));
 	}
+
+	/**
+	 * @see DATAMONGO-1063
+	 */
+	@Test
+	public void shouldAllowAny() {
+
+		person.setSkills(Arrays.asList("vocalist", "songwriter", "guitarist"));
+
+		operations.save(person);
+
+		QPerson p = QPerson.person;
+		QuerydslRepositorySupport support = new QuerydslRepositorySupport(operations) {};
+
+		MongodbQuery<Person> query = support.from(p).where(p.skills.any().in("guitarist"));
+
+		assertThat(query.uniqueResult(), is(person));
+	}
 }