Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / impl / services / monitor / ProtocolKey.java

diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/services/monitor/ProtocolKey.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/services/monitor/ProtocolKey.java
new file mode 100644 (file)
index 0000000..83287a5
--- /dev/null
+++ b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/impl/services/monitor/ProtocolKey.java
@@ -0,0 +1,126 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.impl.services.monitor.ProtocolKey\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.impl.services.monitor;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+import org.apache.derby.iapi.services.monitor.Monitor;\r
+\r
+\r
+/**\r
+       A class that represents a key for a module search.\r
+*/\r
+\r
+\r
+class ProtocolKey {\r
+\r
+       /*\r
+       ** Fields.\r
+       */\r
+\r
+       /**\r
+               The class of the factory\r
+       */\r
+       protected Class factoryInterface;\r
+\r
+       /**\r
+               name of module, can be null\r
+       */\r
+       protected String                identifier;\r
+\r
+       /*\r
+       ** Constructor\r
+       */\r
+\r
+       protected ProtocolKey(Class factoryInterface, String identifier)\r
+       {\r
+               super();\r
+               this.factoryInterface = factoryInterface;\r
+               this.identifier = identifier;\r
+       }\r
+\r
+       static ProtocolKey create(String className, String identifier) throws StandardException {\r
+\r
+               Throwable t;\r
+               try {\r
+                       return new ProtocolKey(Class.forName(className), identifier);\r
+                       //Added by Jeff Huang\r
+                       //TODO: FIXIT\r
+\r
+               } catch (ClassNotFoundException cnfe) {\r
+                       t = cnfe;\r
+               } catch (IllegalArgumentException iae) {\r
+                       t = iae;\r
+               }\r
+\r
+               throw Monitor.exceptionStartingModule(t);       \r
+       }\r
+\r
+       /*\r
+       ** Methods required to use this key\r
+       */\r
+\r
+       protected Class getFactoryInterface() {\r
+               return factoryInterface;\r
+       }\r
+\r
+       protected String getIdentifier() {\r
+               return identifier;\r
+       }\r
+\r
+       /*\r
+       **\r
+       */\r
+\r
+       public int hashCode() {\r
+               return factoryInterface.hashCode() +\r
+                       (identifier == null ? 0  : identifier.hashCode());\r
+       }\r
+\r
+       public boolean equals(Object other) {\r
+               if (other instanceof ProtocolKey) {\r
+                       ProtocolKey otherKey = (ProtocolKey) other;\r
+\r
+                       if (factoryInterface != otherKey.factoryInterface)\r
+                               return false;\r
+\r
+                       if (identifier == null) {\r
+                               if (otherKey.identifier != null)\r
+                                       return false;\r
+                       } else {\r
+\r
+                               if (otherKey.identifier == null)\r
+                                       return false;\r
+\r
+                               if (!identifier.equals(otherKey.identifier))\r
+                                       return false;\r
+                       }\r
+\r
+                       return true;\r
+               }\r
+               return false;\r
+       }\r
+\r
+       public String toString() {\r
+\r
+               return factoryInterface.getName() + " (" + identifier + ")";\r
+       }\r
+}\r