#376 changed the way we set system variables to use in ehcache.xml

pom.xml

@@ -222,10 +222,6 @@
       <scope>provided</scope>
     </dependency>
 
-    <dependency>
-      <groupId>org.springframework.boot</groupId>
-      <artifactId>spring-boot-starter-cache</artifactId>
-    </dependency>
     <!-- https://mvnrepository.com/artifact/org.hibernate.orm/hibernate-jcache -->
     <dependency>
       <groupId>org.hibernate.orm</groupId>
@@ -235,7 +231,6 @@
     <dependency>
       <groupId>org.ehcache</groupId>
       <artifactId>ehcache</artifactId>
-      <scope>runtime</scope>
       <classifier>jakarta</classifier>
     </dependency>
   </dependencies>

src/main/java/org/tb/SalatApplication.java

@@ -19,8 +19,6 @@
 public class SalatApplication {
 
   public static void main(String[] args) {
-    // To use environment variables in the ehcache.xml as replacements
-    System.getenv().forEach(System::setProperty);
     SpringApplication.run(SalatApplication.class, args);
   }
 

src/main/java/org/tb/common/configuration/HibernateSecondLevelCacheConfiguration.java

@@ -1,18 +1,37 @@
 package org.tb.common.configuration;
 
 import org.hibernate.cache.jcache.ConfigSettings;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.orm.jpa.HibernatePropertiesCustomizer;
-import org.springframework.cache.annotation.EnableCaching;
-import org.springframework.cache.jcache.JCacheCacheManager;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ResourceLoader;
 
-@Configuration(proxyBeanMethods = false)
-@EnableCaching
+import javax.cache.CacheManager;
+import javax.cache.Caching;
+import javax.cache.spi.CachingProvider;
+import java.io.IOException;
+import java.net.URI;
+
+
+@Configuration
 public class HibernateSecondLevelCacheConfiguration {
 
     @Bean
-    public HibernatePropertiesCustomizer hibernateSecondLevelCacheCustomizer(JCacheCacheManager cacheManager) {
-        return (properties) -> properties.put(ConfigSettings.CACHE_MANAGER, cacheManager.getCacheManager());
+    public HibernatePropertiesCustomizer hibernateSecondLevelCacheCustomizer(ResourceLoader resourceLoader,
+                                                                             @Value("${salat.cache.max-entries}") String maxCacheEntries,
+                                                                             @Value("${salat.cache.expiry-tti}") String expiryTti) {
+        return (properties) -> {
+            try {
+                URI uri = resourceLoader.getResource("classpath:ehcache.xml").getURI();
+                CachingProvider cachingProvider = Caching.getCachingProvider();
+                System.setProperty("EHCACHE_EXPIRY_TTI", expiryTti);
+                System.setProperty("EHCACHE_RESOURCES_HEAP_ENTRIES", maxCacheEntries);
+                CacheManager cacheManager = cachingProvider.getCacheManager(uri, cachingProvider.getDefaultClassLoader());
+                properties.put(ConfigSettings.CACHE_MANAGER, cacheManager);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        };
     }
 }

src/main/resources/application.yaml

@@ -76,6 +76,9 @@ salat:
   mail-host: localhost
   auth-service:
     cache-expiry: 1s
+  cache:
+    max-entries: 1000
+    expiry-tti: 10
 springdoc:
   swagger-ui:
     path: /api/doc/

src/main/resources/ehcache.xml

@@ -13,10 +13,10 @@
 
     <cache-template name="defaultTemplate">
         <expiry>
-            <tti unit="minutes">10</tti>
+            <tti unit="minutes">${EHCACHE_EXPIRY_TTI}</tti>
         </expiry>
         <resources>
-            <heap unit="entries">${MAX_CACHE_ENTRIES}</heap>
+            <heap unit="entries">${EHCACHE_RESOURCES_HEAP_ENTRIES}</heap>
         </resources>
     </cache-template>
 </config>