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Posted to commits@jena.apache.org by an...@apache.org on 2012/01/31 19:11:04 UTC

svn commit: r1238724 - in /incubator/jena/Jena2/ARQ/trunk/src/main/java: arq/cmdline/CmdUpdate.java arq/update.java com/hp/hpl/jena/sparql/core/TransactionalNull.java

Author: andy
Date: Tue Jan 31 18:11:03 2012
New Revision: 1238724

URL: http://svn.apache.org/viewvc?rev=1238724&view=rev
Log:
Add transaction control to arq.update.

Added:
    incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/core/TransactionalNull.java
Modified:
    incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/cmdline/CmdUpdate.java
    incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/update.java

Modified: incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/cmdline/CmdUpdate.java
URL: http://svn.apache.org/viewvc/incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/cmdline/CmdUpdate.java?rev=1238724&r1=1238723&r2=1238724&view=diff
==============================================================================
--- incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/cmdline/CmdUpdate.java (original)
+++ incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/cmdline/CmdUpdate.java Tue Jan 31 18:11:03 2012
@@ -56,6 +56,7 @@ public abstract class CmdUpdate extends 
         GraphStore graphStore = modGraphStore.getGraphStore() ;
         if ( graphStore.getDefaultGraph() == null )
             graphStore.setDefaultGraph(ModelFactory.createDefaultModel().getGraph()); 
+        // Migrate trasnaction flag to DatsetGraph ... sometime 
         
         execUpdate(graphStore) ;
     }

Modified: incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/update.java
URL: http://svn.apache.org/viewvc/incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/update.java?rev=1238724&r1=1238723&r2=1238724&view=diff
==============================================================================
--- incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/update.java (original)
+++ incubator/jena/Jena2/ARQ/trunk/src/main/java/arq/update.java Tue Jan 31 18:11:03 2012
@@ -26,7 +26,10 @@ import arq.cmd.CmdException ;
 import arq.cmdline.ArgDecl ;
 import arq.cmdline.CmdUpdate ;
 
+import com.hp.hpl.jena.query.ReadWrite ;
 import com.hp.hpl.jena.sparql.SystemARQ ;
+import com.hp.hpl.jena.sparql.core.TransactionalNull ;
+import com.hp.hpl.jena.sparql.core.Transactional ;
 import com.hp.hpl.jena.sparql.util.Utils ;
 import com.hp.hpl.jena.update.GraphStore ;
 import com.hp.hpl.jena.update.UpdateExecutionFactory ;
@@ -73,20 +76,34 @@ public class update extends CmdUpdate
     {
         if ( requestFiles.size() == 0 && getPositional().size() == 0 )
             throw new CmdException("Nothing to do") ;
+     
+        Transactional transactional = (graphStore instanceof Transactional ) ? (Transactional)graphStore : new TransactionalNull() ;
         
         for ( Iterator<String> iter = requestFiles.iterator() ; iter.hasNext() ; )
         {
             String filename = iter.next();
-            execOneFile(filename, graphStore) ;
+            try { 
+                transactional.begin(ReadWrite.WRITE) ;
+                execOneFile(filename, graphStore) ;
+                transactional.commit() ;
+            } finally { transactional.end() ; }
         }
         
         for ( Iterator<String> iter = super.getPositional().iterator() ; iter.hasNext() ; )
         {
             String requestString = iter.next();
             requestString = indirect(requestString) ;
-            execOne(requestString, graphStore) ;
+            
+            try { 
+                transactional.begin(ReadWrite.WRITE) ;
+                execOne(requestString, graphStore) ;
+                transactional.commit() ;
+            } finally { transactional.end() ; }
+            
+            
         }
         SystemARQ.sync(graphStore) ;
+
         if ( dump )
             //SSE.write(graphStore) ;
             NQuadsWriter.write(System.out, graphStore) ;

Added: incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/core/TransactionalNull.java
URL: http://svn.apache.org/viewvc/incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/core/TransactionalNull.java?rev=1238724&view=auto
==============================================================================
--- incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/core/TransactionalNull.java (added)
+++ incubator/jena/Jena2/ARQ/trunk/src/main/java/com/hp/hpl/jena/sparql/core/TransactionalNull.java Tue Jan 31 18:11:03 2012
@@ -0,0 +1,58 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.hp.hpl.jena.sparql.core;
+
+import com.hp.hpl.jena.query.ReadWrite ;
+
+public class TransactionalNull implements Transactional
+{
+    boolean inTransaction = false ;
+    
+    @Override
+    public void begin(ReadWrite readWrite)
+    {
+        inTransaction = true ;
+    }
+
+    @Override
+    public void commit()
+    {
+        inTransaction = false ;
+    }
+
+    @Override
+    public void abort()
+    {
+        inTransaction = false ;
+    }
+
+    @Override
+    public boolean isInTransaction()
+    {
+        return inTransaction ;
+    }
+
+    @Override
+    public void end()
+    {
+        inTransaction = false ;
+    }
+
+}
+