Adding JMCR-Stable version

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

diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/loader/ClassFactoryContext.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/loader/ClassFactoryContext.java
new file mode 100644 (file)
index 0000000..f4ee670
--- /dev/null
+++ b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/iapi/services/loader/ClassFactoryContext.java
@@ -0,0 +1,85 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.iapi.services.loader.ClassFactoryContext\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.loader;\r
+\r
+import org.apache.derby.iapi.services.context.ContextImpl;\r
+import org.apache.derby.iapi.services.context.ContextManager;\r
+import org.apache.derby.iapi.services.locks.CompatibilitySpace;\r
+import org.apache.derby.iapi.services.property.PersistentSet;\r
+import org.apache.derby.iapi.error.ExceptionSeverity;\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+/**\r
+ * Context that provides the correct ClassFactory for the\r
+ * current service. Allows stateless code to obtain the\r
+ * correct class loading scheme.\r
+*/\r
+public abstract class ClassFactoryContext extends ContextImpl {\r
+\r
+       public static final String CONTEXT_ID = "ClassFactoryContext";\r
+\r
+       private final ClassFactory cf;\r
+\r
+       protected ClassFactoryContext(ContextManager cm, ClassFactory cf) {\r
+\r
+               super(cm, CONTEXT_ID);\r
+\r
+               this.cf = cf;\r
+       }\r
+\r
+       public final ClassFactory getClassFactory() {\r
+               return cf;\r
+       }\r
+\r
+    /**\r
+     * Get the lock compatibility space to use for the\r
+     * transactional nature of the class loading lock.\r
+     * Used when the classpath changes or a database\r
+     * jar file is installed, removed or replaced.\r
+     */\r
+    public abstract CompatibilitySpace getLockSpace() throws StandardException;\r
+\r
+    /**\r
+     * Get the set of properties stored with this service.\r
+    */\r
+       public abstract PersistentSet getPersistentSet() throws StandardException;\r
+\r
+       /**\r
+               Get the mechanism to rad jar files. The ClassFactory\r
+               may keep the JarReader reference from the first class load.\r
+       */\r
+       public abstract JarReader getJarReader();\r
+\r
+    /**\r
+     * Handle any errors. Only work here is to pop myself\r
+     * on a session or greater severity error.\r
+     */\r
+       public final void cleanupOnError(Throwable error) {\r
+        if (error instanceof StandardException) {\r
+\r
+            StandardException se = (StandardException) error;\r
+            \r
+            if (se.getSeverity() >= ExceptionSeverity.SESSION_SEVERITY)\r
+                popMe();\r
+        }\r
+    }\r
+}\r