Fix remaining copyright years

src/main/java/org/springframework/data/elasticsearch/annotations/Routing.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.
@@ -25,7 +25,7 @@ import org.springframework.data.annotation.Persistent;
 
 /**
  * Annotation to enable custom routing values for an entity.
- * 
+ *
  * @author Peter-Josef Meisch
  * @since 4.2
  */

src/main/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.
@@ -23,7 +23,7 @@ import org.springframework.lang.Nullable;
 /**
  * Default implementation of the {@link RoutingResolver} interface. Returns {@literal null} for the non-bean method and
  * delegates to the corresponding persistent entity for the bean-method.
- * 
+ *
  * @author Peter-Josef Meisch
  * @since 4.2
  */

src/main/java/org/springframework/data/elasticsearch/core/routing/RoutingResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.
@@ -34,7 +34,7 @@ public interface RoutingResolver {
 
 	/**
 	 * Returns the routing for a bean.
-	 * 
+	 *
 	 * @param bean the bean to get the routing for
 	 * @return the routing value
 	 */
@@ -43,7 +43,7 @@ public interface RoutingResolver {
 
 	/**
 	 * Returns a {@link RoutingResolver that always retuns a fixed value}
-	 * 
+	 *
 	 * @param value the value to return
 	 * @return the fixed-value {@link RoutingResolver}
 	 */

src/test/java/org/springframework/data/elasticsearch/core/EntityOperationsTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.

src/test/java/org/springframework/data/elasticsearch/core/routing/DefaultRoutingResolverUnitTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.

src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.

src/test/java/org/springframework/data/elasticsearch/core/routing/ElasticsearchOperationsRoutingTransportTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.

src/test/java/org/springframework/data/elasticsearch/core/routing/ReactiveElasticsearchOperationsRoutingTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 the original author or authors.
+ * Copyright 2020-2021the 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.