Merge pull request Azure#214 from Azure/revert-211-make_theadpool_daemon

Revert "thread pool in BlobOutputStreamInternal should be daemon"

microsoft-azure-storage/src/com/microsoft/azure/storage/blob/BlobOutputStreamInternal.java

@@ -27,8 +27,13 @@
 import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
-import java.util.concurrent.*;
-import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ExecutorCompletionService;
+import java.util.concurrent.Future;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
 
 import com.microsoft.azure.storage.AccessCondition;
 import com.microsoft.azure.storage.Constants;
@@ -46,29 +51,6 @@
  */
 final class BlobOutputStreamInternal extends BlobOutputStream {
 
-    private static class BlobOutputStreamThreadFactory implements ThreadFactory {
-        private final ThreadGroup group;
-        private final AtomicInteger threadNumber = new AtomicInteger(1);
-        private final String namePrefix;
-
-        BlobOutputStreamThreadFactory() {
-            SecurityManager s = System.getSecurityManager();
-            group = (s != null) ? s.getThreadGroup() :
-                    Thread.currentThread().getThreadGroup();
-            namePrefix = "azure-storage-bloboutputstream-thread-";
-        }
-
-        public Thread newThread(Runnable r) {
-            Thread t = new Thread(group, r,
-                    namePrefix + threadNumber.getAndIncrement(),
-                    0);
-            t.setDaemon(true);
-            if (t.getPriority() != Thread.NORM_PRIORITY)
-                t.setPriority(Thread.NORM_PRIORITY);
-            return t;
-        }
-    }
-
     /**
      * Holds the {@link AccessCondition} object that represents the access conditions for the blob.
      */
@@ -189,10 +171,9 @@ private BlobOutputStreamInternal(final CloudBlob parentBlob, final AccessConditi
         this.threadExecutor = new ThreadPoolExecutor(
                 this.options.getConcurrentRequestCount(),
                 this.options.getConcurrentRequestCount(),
-                10,
+                10, 
                 TimeUnit.SECONDS,
-                new LinkedBlockingQueue<Runnable>(),
-                new BlobOutputStreamThreadFactory());
+                new LinkedBlockingQueue<Runnable>());
         this.completionService = new ExecutorCompletionService<Void>(this.threadExecutor);
     }