Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / derby-10.3.2.1 / java / engine / org / apache / derby / iapi / services / context / SystemContext.java

diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/context/SystemContext.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/context/SystemContext.java
new file mode 100644 (file)
index 0000000..78e7727
--- /dev/null
+++ b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/context/SystemContext.java
@@ -0,0 +1,81 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.iapi.services.context.SystemContext\r
+\r
+   Licensed to the Apache Software Foundation (ASF) under one or more\r
+   contributor license agreements.  See the NOTICE file distributed with\r
+   this work for additional information regarding copyright ownership.\r
+   The ASF licenses this file to you under the Apache License, Version 2.0\r
+   (the "License"); you may not use this file except in compliance with\r
+   the License.  You may obtain a copy of the License at\r
+\r
+      http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+   Unless required by applicable law or agreed to in writing, software\r
+   distributed under the License is distributed on an "AS IS" BASIS,\r
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+   See the License for the specific language governing permissions and\r
+   limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.iapi.services.context;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+import org.apache.derby.iapi.services.monitor.Monitor;\r
+import org.apache.derby.iapi.error.ExceptionSeverity;\r
+/**\r
+       A context that shuts the system down if it gets an StandardException\r
+       with a severity greater than or equal to ExceptionSeverity.SYSTEM_SEVERITY\r
+       or an exception that is not a StandardException.\r
+*/\r
+final class SystemContext extends ContextImpl\r
+{\r
+       SystemContext(ContextManager cm) {\r
+               super(cm, "SystemContext");\r
+       }\r
+\r
+       public void cleanupOnError(Throwable t) {\r
+\r
+               boolean doShutdown = false;\r
+               if (t instanceof StandardException) {\r
+                       StandardException se = (StandardException) t;\r
+                       int severity = se.getSeverity();\r
+                       if (severity < ExceptionSeverity.SESSION_SEVERITY)\r
+                               return;\r
+            \r
+            popMe();\r
+\r
+                       if (severity >= ExceptionSeverity.SYSTEM_SEVERITY)\r
+                               doShutdown = true;\r
+               } else if (t instanceof ShutdownException) {\r
+                       // system is already shutting down ...\r
+               } else if (t instanceof ThreadDeath) {\r
+                       // ignore this too, it means we explicitly told thread to\r
+                       // stop.  one way this can happen is after monitor\r
+                       // shutdown, so we don't need to shut down again\r
+               }\r
+               \r
+               if (!doShutdown) {\r
+                       //ContextManager cm = getContextManager();\r
+                       // need to remove me from the list of all contexts.\r
+                       getContextManager().owningCsf.removeContext(getContextManager());\r
+                       return;\r
+               }\r
+\r
+\r
+               try {\r
+                       // try to print out that the shutdown is occurring.\r
+                       // REVISIT: does this need to be a localizable message?\r
+                       System.err.println("Shutting down due to severe error.");\r
+                       Monitor.getStream().printlnWithHeader("Shutting down due to severe error." + t.getMessage());\r
+\r
+               } finally {\r
+                       // we need this to happen even if we fail to print out a notice\r
+                       Monitor.getMonitor().shutdown();\r
+               }\r
+\r
+       }\r
+\r
+}\r
+\r