add licence and author attribution

Author: dmfrey

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/EvilEmpire.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources;
 
 import example.springdata.jdbc.howto.multipledatasources.minion.Minion;
@@ -7,6 +22,11 @@
 
 import java.util.List;
 
+/**
+ * Sample `Service` that uses both Spring Data JDBC Repositories
+ *
+ * @author Daniel Frey
+ */
 @Component
 public class EvilEmpire {
 

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/MultipleDataSourceApplication.java

@@ -1,8 +1,26 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * @author Daniel Frey
+ */
 @SpringBootApplication
 class MultipleDataSourceApplication {
 

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/configuration/DataSourceConfiguration.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources.configuration;
 
 import org.springframework.beans.factory.annotation.Qualifier;
@@ -27,6 +42,17 @@
 import javax.sql.DataSource;
 import java.util.Optional;
 
+/**
+ * Multiple DataSource Configuration
+ *
+ * Sets up <code>DataSource</code>, <codd>NamedParameterJdbcOperations</codd>, and <code>TransactionManager</code>
+ * for each Spring Data JDBC Repository.
+ *
+ * The second configuration also sets up the required components for Spring Data JDBC without using explicit
+ * AutoConfiguration.
+ *
+ * @author Daniel Frey
+ */
 @Configuration
 public class DataSourceConfiguration {
 

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/configuration/JdbcConfiguration.java

@@ -1,8 +1,31 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources.configuration;
 
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.jdbc.repository.config.EnableJdbcRepositories;
 
+/**
+ * Configures the Spring Data JDBC Repositories with explicit callouts to `jdbcOperationsRef`
+ * and `transactionManagerRef`
+ *
+ * @see <code>DataSourceConfiguration.java</code>
+ *
+ * @author Daniel Frey
+ */
 @Configuration
 public class JdbcConfiguration {
 

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/minion/Minion.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 the original author or authors.
+ * Copyright 2013-2025 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.
@@ -13,10 +13,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example.springdata.jdbc.howto.multipledatasources.minion;
 
 import org.springframework.data.annotation.Id;
 
+/**
+ *
+ * @param id
+ * @param name
+ * @param evilMaster
+ *
+ * @author Daniel Frey
+ */
 public record Minion(
 
 		@Id

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/minion/MinionRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 the original author or authors.
+ * Copyright 2013-2025 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.
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package example.springdata.jdbc.howto.multipledatasources.minion;
 
 import org.springframework.data.jdbc.repository.query.Query;
@@ -21,6 +22,9 @@
 
 import java.util.Collection;
 
+/**
+ * @author Daniel Frey
+ */
 public interface MinionRepository extends CrudRepository<Minion, Long> {
 
 	@Query( "SELECT * FROM MINION WHERE EVIL_MASTER = :id" )

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/person/Person.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 the original author or authors.
+ * Copyright 2013-2025 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.
@@ -17,6 +17,13 @@
 
 import org.springframework.data.annotation.Id;
 
+/**
+ *
+ * @param id
+ * @param name
+ *
+ * @author Daniel Frey
+ */
 public record Person(
 
 		@Id

jdbc/howto/multiple-datasources/src/main/java/example/springdata/jdbc/howto/multipledatasources/person/PersonRepository.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 the original author or authors.
+ * Copyright 2013-2025 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.
@@ -17,6 +17,9 @@
 
 import org.springframework.data.repository.CrudRepository;
 
+/**
+ * @author Daniel Frey
+ */
 public interface PersonRepository extends CrudRepository<Person, Long> {
 
 }

jdbc/howto/multiple-datasources/src/test/java/example/springdata/jdbc/howto/multipledatasources/EvilEmpireTests.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources;
 
 import org.junit.jupiter.api.Test;
@@ -7,6 +22,9 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
+/**
+ * @author Daniel Frey
+ */
 @SpringBootTest
 public class EvilEmpireTests {
 

jdbc/howto/multiple-datasources/src/test/java/example/springdata/jdbc/howto/multipledatasources/MultipleDataSourceApplicationTests.java

@@ -1,8 +1,26 @@
+/*
+ * Copyright 2013-2025 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 example.springdata.jdbc.howto.multipledatasources;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
+/**
+ * @author Daniel Frey
+ */
 @SpringBootTest
 public class MultipleDataSourceApplicationTests {