Tez atsv2

tez-dag/src/main/java/org/apache/tez/dag/app/rm/TezAMRMClientAsyncProvider.java

@@ -0,0 +1,88 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.tez.dag.app.rm;
+
+import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
+import org.apache.hadoop.yarn.client.api.AMRMClient;
+import java.util.List;
+
+
+public class TezAMRMClientAsyncProvider /*implements AMRMClientAsync.CallbackHandler*/ {
+
+  private static TezAMRMClientAsync INSTANCE;
+  //   private static AMRMClient INSTANCE;
+
+  public static synchronized TezAMRMClientAsync createAMRMClientAsync(
+    int intervalMs, AMRMClientAsync.CallbackHandler callbackHandler) {
+    if (INSTANCE == null) {
+      INSTANCE =
+        TezAMRMClientAsync.createAMRMClientAsync(1000, callbackHandler);
+    }
+    return INSTANCE;
+  }
+
+  public static synchronized TezAMRMClientAsync getAMRMClientAsync() {
+    return INSTANCE;
+  }
+
+
+   /* public static synchronized AMRMClient createAMRMClientAsync(){
+
+	    if(INSTANCE == null){
+
+		   INSTANCE= AMRMClient.createAMRMClient();
+
+	    }
+
+	    return INSTANCE;
+    }*/
+
+
+
+          /* @Override
+            public void onContainersCompleted(List statuses) {
+            }
+
+            @Override
+            public void onContainersAllocated(List containers) {
+            }
+
+            @Override
+            public void onShutdownRequest() {
+               // LOG.warn("Shutting down");
+               // end.set(true);
+	       System.out.println("onshutdownrequest");
+            }
+
+            @Override
+            public void onNodesUpdated(List updatedNodes) {
+            }
+
+            @Override
+            public float getProgress() {
+                return 0;
+	    }
+            @Override
+            public void onError(Throwable e) {
+              //  LOG.error("Unexpected error", e);
+               // end.set(true);
+	       System.out.println("error");
+            }*/
+
+}