Added config print for JPA EntityMananager configurations

Signed-off-by: Alberto Codutti <alberto.codutti@eurotech.com>
eclipse-kapua · Jun 24, 2024 · e50970e · e50970e
1 parent 66b409d
commit e50970e
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Showing 2 changed files with 31 additions and 4 deletions.
diff --git a/commons/src/main/java/org/eclipse/kapua/commons/jpa/AbstractEntityManagerFactory.java b/commons/src/main/java/org/eclipse/kapua/commons/jpa/AbstractEntityManagerFactory.java
@@ -14,6 +14,7 @@
 
 import org.eclipse.kapua.KapuaException;
 
+import org.eclipse.kapua.commons.util.log.ConfigurationPrinter;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -55,6 +56,8 @@ protected AbstractEntityManagerFactory(String persistenceUnitName, String dataso
 
             // Standalone JPA
             entityManagerFactory = Persistence.createEntityManagerFactory(persistenceUnitName, configOverrides);
+
+            printEntityManagerConfiguration(persistenceUnitName, datasourceName, configOverrides);
         } catch (Throwable ex) {
             LOG.error("Error creating EntityManagerFactory", ex);
             throw new ExceptionInInitializerError(ex);
@@ -68,7 +71,6 @@ protected AbstractEntityManagerFactory(String persistenceUnitName, String dataso
         }
     }
 
-    // Entity manager factory methods
     /**
      * Returns an EntityManager instance.
      *
@@ -81,4 +83,23 @@ public EntityManager createEntityManager()
         return new EntityManager(entityManagerFactory.createEntityManager());
     }
 
+    //
+    // Private Methods
+    //
+
+    private void printEntityManagerConfiguration(String persistenceUnitName, String datasourceName, Map<String, Object> configOverrides) {
+        ConfigurationPrinter configurationPrinter =
+                ConfigurationPrinter.create()
+                        .withLogger(LOG)
+                        .withLogLevel(ConfigurationPrinter.LogLevel.INFO)
+                        .withTitle("Persistence Unit Config: " + persistenceUnitName)
+                        .addParameter("Datasource Name", datasourceName)
+                        .openSection("Configuration Overrides");
+
+        for (Map.Entry<String, Object> config : configOverrides.entrySet()) {
+            configurationPrinter.addParameter(config.getKey(), config.getValue());
+        }
+
+        configurationPrinter.printLog();
+    }
 }
diff --git a/commons/src/main/java/org/eclipse/kapua/commons/jpa/DataSource.java b/commons/src/main/java/org/eclipse/kapua/commons/jpa/DataSource.java
@@ -12,16 +12,16 @@
  *******************************************************************************/
 package org.eclipse.kapua.commons.jpa;
 
+import com.zaxxer.hikari.HikariDataSource;
 import org.eclipse.kapua.commons.setting.system.SystemSetting;
 import org.eclipse.kapua.commons.setting.system.SystemSettingKey;
 
-import com.zaxxer.hikari.HikariDataSource;
-
 public final class DataSource {
 
     private static HikariDataSource hikariDataSource;
 
-    private DataSource() {}
+    private DataSource() {
+    }
 
     public static HikariDataSource getDataSource() {
         if (hikariDataSource == null) {
@@ -42,6 +42,12 @@ public static HikariDataSource getDataSource() {
 
             hikariDataSource.setLeakDetectionThreshold(config.getInt(SystemSettingKey.DB_POOL_LEAKDETECTION_THRESHOLD, 0));
         }
+
         return hikariDataSource;
     }
+
+    @Override
+    public String toString() {
+        return hikariDataSource.getDriverClassName() + "@" + hikariDataSource.toString();
+    }
 }