Adding JMCR-Stable version
[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / derby-10.3.2.1 / java / engine / org / apache / derby / impl / store / raw / xact / GlobalXactId.java
diff --git a/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/store/raw/xact/GlobalXactId.java b/JMCR-Stable/real-world application/derby-10.3.2.1/java/engine/org/apache/derby/impl/store/raw/xact/GlobalXactId.java
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+/*\r
+\r
+   Derby - Class org.apache.derby.impl.store.raw.xact.GlobalXactId\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.store.raw.xact;\r
+\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+\r
+import org.apache.derby.iapi.services.io.FormatIdUtil;\r
+import org.apache.derby.iapi.services.io.StoredFormatIds;\r
+import org.apache.derby.catalog.UUID;\r
+\r
+import org.apache.derby.iapi.store.raw.GlobalTransactionId;\r
+import org.apache.derby.iapi.store.access.GlobalXact;\r
+\r
+import org.apache.derby.iapi.util.ByteArray;\r
+\r
+import java.io.ObjectOutput;\r
+import java.io.ObjectInput;\r
+import java.io.IOException;\r
+\r
+public class GlobalXactId extends GlobalXact implements GlobalTransactionId\r
+{\r
+    /**************************************************************************\r
+     * Private Fields of the class\r
+     **************************************************************************\r
+     */\r
+\r
+    /**************************************************************************\r
+     * Constructors for This class:\r
+     **************************************************************************\r
+     */\r
+       public GlobalXactId(\r
+                                               int     format_id,\r
+                                               byte[]  global_id,\r
+                                               byte[]  branch_id)\r
+    {\r
+               this.format_id = format_id;\r
+               this.global_id = new byte[global_id.length];\r
+               System.arraycopy(global_id, 0, this.global_id, 0, global_id.length);\r
+               this.branch_id = new byte[branch_id.length];\r
+               System.arraycopy(branch_id, 0, this.branch_id, 0, branch_id.length);\r
+       }\r
+\r
+    /**************************************************************************\r
+     * Public Methods of Formatable interface:\r
+     **************************************************************************\r
+     */\r
+\r
+       // no-arg constructor, required by Formatable \r
+       public GlobalXactId()\r
+    { \r
+    }\r
+\r
+       /**\r
+               Write this out.\r
+               @exception IOException error writing to log stream\r
+       */\r
+       public void writeExternal(ObjectOutput out) throws IOException \r
+       {\r
+        out.writeInt(format_id);\r
+\r
+        if (SanityManager.DEBUG)\r
+        {\r
+            SanityManager.ASSERT(global_id.length <= 64);\r
+            SanityManager.ASSERT(global_id != null);\r
+            SanityManager.ASSERT(branch_id != null);\r
+        }\r
+\r
+        // write length of array followed by the array\r
+        out.write(global_id.length);\r
+        if (global_id.length > 0)\r
+            out.write(global_id);\r
+\r
+        // write length of array followed by the array\r
+        out.write(branch_id.length);\r
+        if (branch_id.length > 0)\r
+            out.write(branch_id);\r
+       }\r
+\r
+       /**\r
+               Read this in\r
+               @exception IOException error reading from log stream\r
+               @exception ClassNotFoundException log stream corrupted\r
+       */\r
+       public void readExternal(ObjectInput in) \r
+               throws IOException, ClassNotFoundException\r
+       {\r
+        format_id = in.readInt();\r
+\r
+        // read global_id in from disk\r
+        int array_len = in.read();\r
+\r
+        if (SanityManager.DEBUG) \r
+        {\r
+            SanityManager.ASSERT(array_len >= 0);\r
+        }\r
+\r
+        global_id = new byte[array_len];\r
+        if (array_len > 0)\r
+            in.read(global_id);\r
+\r
+        // read branch_id in from disk\r
+        array_len = in.read();\r
+\r
+        if (SanityManager.DEBUG)\r
+        {\r
+            SanityManager.ASSERT(array_len >= 0);\r
+        }\r
+\r
+        branch_id = new byte[array_len];\r
+        if (array_len > 0)\r
+            in.read(branch_id);\r
+       }\r
+\r
+       /**\r
+               Return my format identifier.\r
+       */\r
+       public int getTypeFormatId() {\r
+               return StoredFormatIds.RAW_STORE_GLOBAL_XACT_ID_NEW;\r
+       }\r
+\r
+    /**************************************************************************\r
+     * Private/Protected methods of This class:\r
+     **************************************************************************\r
+     */\r
+\r
+    /**************************************************************************\r
+     * Public Methods of This class:\r
+     **************************************************************************\r
+     */\r
+    public int getFormat_Id()\r
+    {\r
+        return(format_id);\r
+    }\r
+\r
+    public byte[] getGlobalTransactionId()\r
+    {\r
+        return(global_id);\r
+    }\r
+\r
+    public byte[] getBranchQualifier()\r
+    {\r
+        return(branch_id);\r
+    }\r
+}\r