JAVA-2421: Merge spring-ehcache module into spring-caching module (#10072)

* JAVA-2421: Moved 1 article from spring-ehcache to spring-caching

* JAVA-2421: Removed module spring-ehcache

* JAVA-2421: Removed module spring-ehcache from main pom

pom.xml

@@ -651,7 +651,6 @@
                 <module>spring-dispatcher-servlet</module>
                 <module>spring-drools</module>
 
-                <module>spring-ehcache</module>
                 <module>spring-ejb</module>
                 <module>spring-exceptions</module>
 
@@ -1152,7 +1151,6 @@
                 <module>spring-dispatcher-servlet</module>
                 <module>spring-drools</module>
 
-                <module>spring-ehcache</module>
                 <module>spring-ejb</module>
                 <module>spring-exceptions</module>
 

spring-caching/README.md

@@ -5,3 +5,4 @@
 - [Cache Eviction in Spring Boot](https://www.baeldung.com/spring-boot-evict-cache)
 - [Using Multiple Cache Managers in Spring](https://www.baeldung.com/spring-multiple-cache-managers)
 - [Testing @Cacheable on Spring Data Repositories](https://www.baeldung.com/spring-data-testing-cacheable)
+- [Spring Boot Ehcache Example](https://www.baeldung.com/spring-boot-ehcache)

spring-caching/pom.xml

@@ -36,6 +36,10 @@
             <groupId>org.springframework</groupId>
             <artifactId>spring-webmvc</artifactId>
         </dependency>
+        <dependency>
+            <groupId>javax.cache</groupId>
+            <artifactId>cache-api</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.ehcache</groupId>
             <artifactId>ehcache</artifactId>

spring-caching/src/main/java/com/baeldung/springdatacaching/model/Book.java

@@ -6,13 +6,15 @@ import lombok.NoArgsConstructor;
 
 import javax.persistence.Entity;
 import javax.persistence.Id;
+
+import java.io.Serializable;
 import java.util.UUID;
 
 @Data
 @Entity
 @NoArgsConstructor
 @AllArgsConstructor
-public class Book {
+public class Book implements Serializable {
 
     @Id
     private UUID id;

spring-caching/src/main/resources/application.properties

@@ -1,4 +1,4 @@
-spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_ON_EXIT=FALSE
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa
 spring.datasource.password=
@@ -6,3 +6,6 @@ spring.datasource.password=
 # Enabling H2 Console
 spring.h2.console.enabled=true
 spring.h2.console.path=/h2
+
+#ehcache
+spring.cache.jcache.config=classpath:ehcache.xml

spring-caching/src/main/resources/ehcache.xml

@@ -28,4 +28,27 @@
         </resources>
     </cache>
     
+    <cache alias="books">
+        <key-type>java.lang.String</key-type>
+        <value-type>com.baeldung.springdatacaching.model.Book</value-type>
+        <expiry>
+            <ttl unit="seconds">30</ttl>
+        </expiry>
+        
+        <listeners>
+            <listener>
+                <class>com.baeldung.cachetest.config.CacheEventLogger</class>
+                <event-firing-mode>ASYNCHRONOUS</event-firing-mode>
+                <event-ordering-mode>UNORDERED</event-ordering-mode>
+                <events-to-fire-on>CREATED</events-to-fire-on>
+                <events-to-fire-on>EXPIRED</events-to-fire-on>
+            </listener>
+        </listeners>
+        
+        <resources>
+            <heap unit="entries">2</heap>
+            <offheap unit="MB">10</offheap>
+        </resources>
+    </cache>
+
 </config>

spring-ehcache/.gitignore

@@ -1,13 +0,0 @@
-*.class
-
-#folders#
-/target
-/neoDb*
-/data
-/src/main/webapp/WEB-INF/classes
-*/META-INF/*
-
-# Packaged files #
-*.jar
-*.war
-*.ear

spring-ehcache/README.md

@@ -1,8 +0,0 @@
-## Spring Ehcache
-
-This module contains articles about Spring with Ehcache
-
-### Relevant Articles:
-
-- [Spring Boot Ehcache Example](https://www.baeldung.com/spring-boot-ehcache)
-

spring-ehcache/checkstyle.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE module PUBLIC
-          "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
-          "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
-<module name="Checker">
-	<module name="TreeWalker">
-		<module name="AvoidStarImport">
-			<property name="severity" value="warning" />
-		</module>
-	</module>
-</module>

spring-ehcache/pom.xml

@@ -1,87 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <artifactId>spring-ehcache</artifactId>
-    <version>0.1-SNAPSHOT</version>
-    <name>spring-ehcache</name>
-    <packaging>jar</packaging>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-boot-2</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-2</relativePath>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-web</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-cache</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>javax.cache</groupId>
-            <artifactId>cache-api</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.ehcache</groupId>
-            <artifactId>ehcache</artifactId>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <finalName>spring-ehcache</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
-
-        <plugins>
-            <plugin>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-maven-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>${checkstyle-maven-plugin.version}</version>
-                <configuration>
-                    <configLocation>checkstyle.xml</configLocation>
-                </configuration>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>check</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-
-    <reporting>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>${checkstyle-maven-plugin.version}</version>
-                <configuration>
-                    <configLocation>checkstyle.xml</configLocation>
-                </configuration>
-            </plugin>
-        </plugins>
-    </reporting>
-
-    <properties>
-        <!-- Maven plugins -->
-        <checkstyle-maven-plugin.version>3.0.0</checkstyle-maven-plugin.version>
-        <dependency.locations.enabled>false</dependency.locations.enabled>
-    </properties>
-
-</project>

spring-ehcache/src/main/resources/application.properties

@@ -1 +0,0 @@
-spring.cache.jcache.config=classpath:ehcache.xml