Add tests to verify behaviour.

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/Neo4jDataAutoConfigurationTests.java

@@ -19,6 +19,11 @@
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.autoconfigure.TestAutoConfigurationPackage;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithNode;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithPersistent;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithRelationshipProperties;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.NotAnnotatedEntity;
 import org.springframework.boot.autoconfigure.neo4j.Neo4jAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.context.annotation.Bean;
@@ -29,6 +34,7 @@
 import org.springframework.data.neo4j.core.Neo4jOperations;
 import org.springframework.data.neo4j.core.Neo4jTemplate;
 import org.springframework.data.neo4j.core.convert.Neo4jConversions;
+import org.springframework.data.neo4j.core.mapping.Neo4jMappingContext;
 import org.springframework.data.neo4j.core.transaction.Neo4jTransactionManager;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.ReactiveTransactionManager;
@@ -137,6 +143,17 @@ void shouldReuseExistingTransactionManager() {
 						.hasBean("myCustomTransactionManager"));
 	}
 
+	@Test
+	void shouldFilterInitialEntityScanWithKnownAnnotations() {
+		this.contextRunner.withUserConfiguration(PackageConfig.class).run((context) -> {
+			Neo4jMappingContext mappingContext = context.getBean(Neo4jMappingContext.class);
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithNode.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithPersistent.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithRelationshipProperties.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(NotAnnotatedEntity.class)).isFalse();
+		});
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	static class CustomDatabaseSelectionProviderConfiguration {
 
@@ -147,4 +164,10 @@ DatabaseSelectionProvider databaseSelectionProvider() {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@TestAutoConfigurationPackage(AnnotatedWithPersistent.class)
+	static class PackageConfig {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/Neo4jReactiveRepositoriesAutoConfigurationTests.java

@@ -26,9 +26,14 @@
 import org.springframework.boot.autoconfigure.data.neo4j.city.ReactiveCityRepository;
 import org.springframework.boot.autoconfigure.data.neo4j.country.CountryRepository;
 import org.springframework.boot.autoconfigure.data.neo4j.country.ReactiveCountryRepository;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithNode;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithPersistent;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.AnnotatedWithRelationshipProperties;
+import org.springframework.boot.autoconfigure.data.neo4j.scan.NotAnnotatedEntity;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.neo4j.core.ReactiveNeo4jTemplate;
+import org.springframework.data.neo4j.core.mapping.Neo4jMappingContext;
 import org.springframework.data.neo4j.repository.ReactiveNeo4jRepository;
 import org.springframework.data.neo4j.repository.config.EnableReactiveNeo4jRepositories;
 
@@ -84,6 +89,17 @@ void shouldRespectAtEnableReactiveNeo4jRepositories() {
 						.hasSingleBean(ReactiveCountryRepository.class));
 	}
 
+	@Test
+	void shouldFilterInitialEntityScanWithKnownAnnotations() {
+		this.contextRunner.withUserConfiguration(PackageConfig.class).run((context) -> {
+			Neo4jMappingContext mappingContext = context.getBean(Neo4jMappingContext.class);
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithNode.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithPersistent.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(AnnotatedWithRelationshipProperties.class)).isTrue();
+			assertThat(mappingContext.hasPersistentEntityFor(NotAnnotatedEntity.class)).isFalse();
+		});
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	@TestAutoConfigurationPackage(City.class)
 	static class TestConfiguration {
@@ -109,4 +125,10 @@ static class WithCustomReactiveRepositoryScan {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@TestAutoConfigurationPackage(AnnotatedWithPersistent.class)
+	static class PackageConfig {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/scan/AnnotatedWithNode.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012-2020 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.boot.autoconfigure.data.neo4j.scan;
+
+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 Gerrit Meier
+ */
+@Node
+public class AnnotatedWithNode {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/scan/AnnotatedWithPersistent.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2012-2020 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.boot.autoconfigure.data.neo4j.scan;
+
+import org.springframework.data.annotation.Persistent;
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+
+/**
+ * @author Gerrit Meier
+ */
+@Persistent
+public class AnnotatedWithPersistent {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/scan/AnnotatedWithRelationshipProperties.java

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2012-2020 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.boot.autoconfigure.data.neo4j.scan;
+
+import org.springframework.data.neo4j.core.schema.RelationshipProperties;
+
+/**
+ * @author Gerrit Meier
+ */
+@RelationshipProperties
+public class AnnotatedWithRelationshipProperties {
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/neo4j/scan/NotAnnotatedEntity.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2012-2020 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.boot.autoconfigure.data.neo4j.scan;
+
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+
+/**
+ * @author Gerrit Meier
+ */
+public class NotAnnotatedEntity {
+
+	@Id
+	@GeneratedValue
+	private Long id;
+
+}