From f3e05888d09a2d39375639b056d8e9093e00668b Mon Sep 17 00:00:00 2001
From: Erik Brakkee <erik@brakkee.org>
Date: Sun, 15 Sep 2013 22:34:10 +0200
Subject: [PATCH] after a lot of work initialization at startup is now working.

---
 .../photos/model/plumbing/Initializer.java    | 45 ++++++++++++++-----
 .../photos/model/plumbing/PhotoCache.java     | 31 +++++++++++++
 .../photos/model/plumbing/UserCache.java      | 31 +++++++++++++
 3 files changed, 97 insertions(+), 10 deletions(-)
 create mode 100644 src/main/java/org/wamblee/photos/model/plumbing/PhotoCache.java
 create mode 100644 src/main/java/org/wamblee/photos/model/plumbing/UserCache.java

diff --git a/src/main/java/org/wamblee/photos/model/plumbing/Initializer.java b/src/main/java/org/wamblee/photos/model/plumbing/Initializer.java
index 2509641..b5ace14 100644
--- a/src/main/java/org/wamblee/photos/model/plumbing/Initializer.java
+++ b/src/main/java/org/wamblee/photos/model/plumbing/Initializer.java
@@ -15,11 +15,14 @@
  */
 package org.wamblee.photos.model.plumbing;
 
+import java.util.logging.Logger;
+
 import javax.annotation.PostConstruct;
 import javax.ejb.Singleton;
 import javax.ejb.Startup;
 import javax.inject.Inject;
 
+import org.wamblee.inject.InjectorBuilder;
 import org.wamblee.photos.model.Album;
 import org.wamblee.security.authentication.UserAdministration;
 
@@ -31,18 +34,40 @@ import org.wamblee.security.authentication.UserAdministration;
 @Startup
 public class Initializer {
 
-    @Inject
-    private UserAdministration userAdmin;
+    private static final Logger LOGGER = Logger.getLogger(Initializer.class
+        .getName());
 
-    @Inject
-    @AllPhotos
-    private Album album;
+    /**
+     * We need this helper to do initialization of the beans from within the
+     * post construct method. Injecting these objects into the initializer class
+     * will lead to initialization outside of a transactional context and this
+     * is does not work because and entity manager is required.
+     * 
+     * @author Erik Brakkee
+     * 
+     */
+    public static class Helper {
+        @Inject
+        private UserAdministration userAdmin;
 
-    @PostConstruct
-    public void init() {
-        System.out.println("Photo application initializing");
+        @Inject
+        @AllPhotos
+        private Album album;
 
-        userAdmin.getUserCount();
-        album.size();
+        public void init() {
+            userAdmin.getUserCount();
+            album.size();
+        }
+    }
+
+    @PostConstruct
+    public void scheduleInit() {
+        LOGGER.info("Photo application initializing");
+        // timerService.createTimer(1000, 1000, null);
+        LOGGER.info("Initializing photo application");
+        Helper helper = new Helper();
+        InjectorBuilder.getInjector().inject(helper);
+        helper.init();
+        LOGGER.info("Initialized photo application");
     }
 }
diff --git a/src/main/java/org/wamblee/photos/model/plumbing/PhotoCache.java b/src/main/java/org/wamblee/photos/model/plumbing/PhotoCache.java
new file mode 100644
index 0000000..7840562
--- /dev/null
+++ b/src/main/java/org/wamblee/photos/model/plumbing/PhotoCache.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2005-2013 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.photos.model.plumbing;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.*;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+@Qualifier
+@Retention(RUNTIME)
+@Target({ METHOD, PARAMETER, FIELD })
+public @interface PhotoCache {
+    // Empty.
+}
diff --git a/src/main/java/org/wamblee/photos/model/plumbing/UserCache.java b/src/main/java/org/wamblee/photos/model/plumbing/UserCache.java
new file mode 100644
index 0000000..c4ea7ea
--- /dev/null
+++ b/src/main/java/org/wamblee/photos/model/plumbing/UserCache.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2005-2013 the original author or authors.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.wamblee.photos.model.plumbing;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.*;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+@Qualifier
+@Retention(RUNTIME)
+@Target({ METHOD, PARAMETER, FIELD })
+public @interface UserCache {
+    // Empty.
+}
-- 
2.31.1