From 1c58b80e7eb9c1626d241c0f37b68f9fc2b083e9 Mon Sep 17 00:00:00 2001
From: Christos KK Loverdos <loverdos@gmail.com>
Date: Thu, 3 May 2012 13:31:36 +0300
Subject: [PATCH] Aquarium internal error

---
 .../gr/grnet/aquarium/AquariumInternalError.scala  |   52 ++++++++++++++++++++
 .../aquarium/actor/service/user/UserActor.scala    |    6 +--
 2 files changed, 55 insertions(+), 3 deletions(-)
 create mode 100644 src/main/scala/gr/grnet/aquarium/AquariumInternalError.scala

diff --git a/src/main/scala/gr/grnet/aquarium/AquariumInternalError.scala b/src/main/scala/gr/grnet/aquarium/AquariumInternalError.scala
new file mode 100644
index 0000000..a40e56f
--- /dev/null
+++ b/src/main/scala/gr/grnet/aquarium/AquariumInternalError.scala
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2011-2012 GRNET S.A. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials
+ *      provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and
+ * documentation are those of the authors and should not be
+ * interpreted as representing official policies, either expressed
+ * or implied, of GRNET S.A.
+ */
+
+package gr.grnet.aquarium
+
+/**
+ * Should be the base of all Aquarium-related internal errors.
+ *
+ * @author Christos KK Loverdos <loverdos@gmail.com>
+ */
+
+class AquariumInternalError(cause: Throwable, message: String) extends RuntimeException(message, cause) {
+  if(message eq null) throw new IllegalArgumentException("Null message in exception")
+
+  def this(cause: Throwable) = this(cause, "")
+
+  def this(message: String) = this(null, message)
+
+  def this(message: String, cause: Throwable) = this(cause, message)
+}
diff --git a/src/main/scala/gr/grnet/aquarium/actor/service/user/UserActor.scala b/src/main/scala/gr/grnet/aquarium/actor/service/user/UserActor.scala
index 0c2ffee..2facf1f 100644
--- a/src/main/scala/gr/grnet/aquarium/actor/service/user/UserActor.scala
+++ b/src/main/scala/gr/grnet/aquarium/actor/service/user/UserActor.scala
@@ -41,13 +41,12 @@ import gr.grnet.aquarium.actor._
 import gr.grnet.aquarium.user._
 
 import gr.grnet.aquarium.util.shortClassNameOf
-import gr.grnet.aquarium.util.chainOfCauses
 import gr.grnet.aquarium.util.date.TimeHelpers
 import gr.grnet.aquarium.actor.message.service.router._
 import message.config.{ActorProviderConfigured, AquariumPropertiesLoaded}
 import gr.grnet.aquarium.event.im.IMEventModel
 import akka.config.Supervision.Temporary
-import gr.grnet.aquarium.{AquariumException, Configurator}
+import gr.grnet.aquarium.{AquariumInternalError, AquariumException, Configurator}
 
 
 /**
@@ -157,7 +156,8 @@ class UserActor extends ReflectiveRoleableActor {
     val imEvent = event.imEvent
     // If we already have a userID but it does not match the incoming userID, then this is an internal error
     if(_havePartialState && (this._userID != imEvent.userID)) {
-      throw new AquariumException("Got userID = %s but already have userID = %s".format(imEvent.userID, this._userID))
+      throw new AquariumInternalError(
+        "Got userID = %s but already have userID = %s".format(imEvent.userID, this._userID))
     }
 
     // If we get an IMEvent without having a user state, then we query for the latest user state.
-- 
1.7.10.4