GH-2638 - Use labels(n) when deriving a contains query for an entity with dynamic labels.

Closes #2638.

Author: michael-simons

src/main/java/org/springframework/data/neo4j/repository/query/CypherQueryCreator.java

@@ -382,6 +382,14 @@ private Condition containingCondition(PersistentPropertyPath<Neo4jPersistentProp
 			Neo4jPersistentProperty property, Iterator<Object> actualParameters, boolean ignoreCase) {
 
 		Expression cypherProperty = toCypherProperty(path, ignoreCase);
+
+		if (property.isDynamicLabels()) {
+			Neo4jPersistentProperty leafProperty = path.getRequiredLeafProperty();
+			Neo4jPersistentEntity<?> owner = (Neo4jPersistentEntity<?>) leafProperty.getOwner();
+			String containerName = getContainerName(path, owner);
+			return toCypherParameter(nextRequiredParameter(actualParameters, property), ignoreCase)
+					.in(Functions.labels(Cypher.anyNode(containerName)));
+		}
 		if (property.isCollectionLike()) {
 			return toCypherParameter(nextRequiredParameter(actualParameters, property), ignoreCase).in(cypherProperty);
 		}

src/test/java/org/springframework/data/neo4j/integration/imperative/DynamicLabelsIT.java

@@ -42,6 +42,7 @@
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.data.neo4j.integration.shared.common.Port;
 import org.springframework.data.neo4j.repository.Neo4jRepository;
 import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
 import org.springframework.data.neo4j.test.Neo4jImperativeTestConfiguration;
@@ -446,6 +447,30 @@ void instantiateConcreteEntityType(@Autowired AbstractBaseEntityWithDynamicLabel
 
 	}
 
+	@Nested
+	class FindByLabelsContaining extends SpringTestBase {
+
+		@Override
+		Long createTestEntity(TransactionContext t) {
+			t.run("CREATE (p:Port:A:B {id: randomUUID()})");
+			t.run("CREATE (p:Port {id: randomUUID()})");
+			t.run("CREATE (p:Port:C:B {id: randomUUID()})");
+			t.run("CREATE (p:Port:D:A {id: randomUUID()})");
+			return null;
+		}
+
+		@Test // GH-2638
+		void findByDynamicLabelsContainingShouldWork(@Autowired PortRepository portRepository) {
+
+			List<Port> ports = portRepository.findByLabelsContaining("A");
+			assertThat(ports).hasSize(2);
+		}
+	}
+
+	interface PortRepository extends Neo4jRepository<Port, UUID> {
+		List<Port> findByLabelsContaining(String label);
+	}
+
 	interface AbstractBaseEntityWithDynamicLabelsRepository extends Neo4jRepository<EntitiesWithDynamicLabels.AbstractBaseEntityWithDynamicLabels, String> {}
 
 	@ExtendWith(SpringExtension.class)

src/test/java/org/springframework/data/neo4j/integration/shared/common/Port.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2011-2022 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
+ *
+ *      https://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.neo4j.integration.shared.common;
+
+import java.util.List;
+import java.util.UUID;
+
+import org.springframework.data.neo4j.core.schema.DynamicLabels;
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+import org.springframework.data.neo4j.core.schema.Node;
+
+/**
+ * @author Michael J. Simons
+ */
+@Node("Port")
+public class Port {
+	@Id
+	@GeneratedValue
+	private UUID id;
+	private String code;
+	@DynamicLabels
+	private List<String> labels;
+}