Changeset 5708 for branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.DataAccess

Timestamp:

03/16/11 13:32:39 (14 years ago)

Author:

cneumuel

Message:

#1233

• changed the way transactions are handled

File:

• branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.DataAccess/3.4/TransactionManager.cs (modified) (1 diff)

branches/HeuristicLab.Hive-3.4/sources/HeuristicLab.Services.Hive.DataAccess/3.4/TransactionManager.cs

@@ -1 +1 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
+using System.Transactions;
 using HeuristicLab.Services.Hive.Common;
-using System.Transactions;
-using HeuristicLab.Common;
-using HeuristicLab.Clients.Common;
 
 namespace HeuristicLab.Services.Hive.DataAccess {
   public class TransactionManager {
-    public Disposable<TransactionScope> OpenTransaction() {
-      TransactionScope transaction = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = ApplicationConstants.IsolationLevelScope });
-      var disposable = new Disposable<TransactionScope>(transaction);
-      disposable.OnDisposing += new EventHandler<EventArgs<object>>(disposable_OnDisposing);
-      return disposable;
+    public void UseTransaction(Action call) {
+      TransactionScope transaction = CreateTransaction();
+      try {
+        call();
+        transaction.Complete();
+      }
+      finally {
+        transaction.Dispose();
+      }
     }
 
-    void disposable_OnDisposing(object sender, EventArgs<object> e) {
-      TransactionScope scope = (TransactionScope)e.Value;
-      scope.Complete();
-      scope.Dispose();
+    public T UseTransaction<T>(Func<T> call) {
+      TransactionScope transaction = CreateTransaction();
+      try {
+        T result = call();
+        transaction.Complete();
+        return result;
+      }
+      finally {
+        transaction.Dispose();
+      }
+    }
+
+    private static TransactionScope CreateTransaction() {
+      return new TransactionScope(TransactionScopeOption.Required, new TransactionOptions { IsolationLevel = ApplicationConstants.IsolationLevelScope });
     }
   }