spring-cache: added EvictCache

Author: Mario Codes Sánchez

spring/spring-cache/spring-cache-default/src/main/java/es/msanchez/spring/cache/dao/BookRepository.java

@@ -8,4 +8,6 @@ public interface BookRepository {
 
   public Book getByIsbn(final String isbn);
 
+  public void refreshBooks();
+
 }

spring/spring-cache/spring-cache-default/src/main/java/es/msanchez/spring/cache/dao/BookRepositoryImpl.java

@@ -2,6 +2,7 @@
 
 import es.msanchez.spring.cache.entity.Book;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.cache.annotation.CacheEvict;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Repository;
 
@@ -27,4 +28,9 @@ private void simulateDatabaseAccess() {
     }
   }
 
+  @CacheEvict(value = "books", allEntries = true)
+  public void refreshBooks() {
+    log.info("Evicted books cache.");
+  }
+
 }

spring/spring-cache/spring-cache-default/src/main/java/es/msanchez/spring/cache/starter/Main.java

@@ -22,6 +22,8 @@ public static void main(String[] args) {
     retrieveBook(bookRepository, "5678");
     retrieveBook(bookRepository, "9012");
     retrieveBook(bookRepository, "9012");
+    bookRepository.refreshBooks();
+    retrieveBook(bookRepository, "9012");
 
     log.info("Application is done");
   }