From d5375cc4792b6ba4752119f3664c0caa006ddf40 Mon Sep 17 00:00:00 2001
From: Roland Haeder <roland@mxchange.org>
Date: Wed, 19 Aug 2015 14:43:12 +0200
Subject: [PATCH] =?utf8?q?Added=20debug=20message=20Signed-off-by:Roland?=
=?utf8?q?=20H=C3=A4der=20<roland@mxchange.org>?=
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---
.../jcore/database/frontend/BaseDatabaseFrontend.java | 11 +++++++----
.../factory/database/backend/BackendFactory.java | 6 ++++++
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/src/org/mxchange/jcore/database/frontend/BaseDatabaseFrontend.java b/src/org/mxchange/jcore/database/frontend/BaseDatabaseFrontend.java
index ca318f2..7de1749 100644
--- a/src/org/mxchange/jcore/database/frontend/BaseDatabaseFrontend.java
+++ b/src/org/mxchange/jcore/database/frontend/BaseDatabaseFrontend.java
@@ -201,22 +201,25 @@ public abstract class BaseDatabaseFrontend extends BaseFrameworkSystem implement
protected void initBackend () throws UnsupportedDatabaseBackendException, SQLException {
// Trace message
this.getLogger().trace("CALLED!"); //NOI18N
-
+
// Try it
try {
// Try to get get instance from factory
DatabaseBackend backend = BackendFactory.createInstance(this);
-
+
+ // Debug message
+ this.getLogger().debug(MessageFormat.format("backend={0}", backend));
+
// Try to run a connect on it
backend.connectToDatabase();
-
+
// All fine so far, then set it here
this.setBackend(backend);
} catch (final ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
// Continue to throw
throw new UnsupportedDatabaseBackendException(ex);
}
-
+
// Trace message
this.getLogger().trace("EXIT!"); //NOI18N
}
diff --git a/src/org/mxchange/jcore/factory/database/backend/BackendFactory.java b/src/org/mxchange/jcore/factory/database/backend/BackendFactory.java
index 821779b..5e16166 100644
--- a/src/org/mxchange/jcore/factory/database/backend/BackendFactory.java
+++ b/src/org/mxchange/jcore/factory/database/backend/BackendFactory.java
@@ -48,6 +48,12 @@ public class BackendFactory extends BaseFrameworkSystem {
// Trace message
factory.getLogger().trace(MessageFormat.format("frontend={0} - CALLED!", frontend)); //NOI18N
+ // frontend must be set
+ if (frontend == null) {
+ // Is null
+ throw new NullPointerException("frontend is null");
+ }
+
// Get property
String className = factory.getProperty("database.backend.class"); //NOI18N
--
2.39.5