1 files changed, 35 insertions, 0 deletions
diff --git a/external/flume-sink/src/main/scala/org/apache/spark/streaming/flume/sink/SparkSinkThreadFactory.scala b/external/flume-sink/src/main/scala/org/apache/spark/streaming/flume/sink/SparkSinkThreadFactory.scala
new file mode 100644
index 0000000000..845fc8debd
--- /dev/null
+++ b/external/flume-sink/src/main/scala/org/apache/spark/streaming/flume/sink/SparkSinkThreadFactory.scala
@@ -0,0 +1,35 @@
+/*
+ * 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 org.apache.spark.streaming.flume.sink
+
+import java.util.concurrent.ThreadFactory
+import java.util.concurrent.atomic.AtomicLong
+
+/**
+ * Thread factory that generates daemon threads with a specified name format.
+ */
+private[sink] class SparkSinkThreadFactory(nameFormat: String) extends ThreadFactory {
+
+  private val threadId = new AtomicLong()
+
+  override def newThread(r: Runnable): Thread = {
+    val t = new Thread(r, nameFormat.format(threadId.incrementAndGet()))
+    t.setDaemon(true)
+    t
+  }
+
+}