Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/2425#discussion_r18121892
--- Diff: core/src/main/java/org/apache/spark/TaskContext.java ---
@@ -0,0 +1,274 @@
+/*
+ * 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;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import scala.Function0;
+import scala.Function1;
+import scala.Unit;
+import scala.collection.JavaConversions;
+
+import org.apache.spark.annotation.DeveloperApi;
+import org.apache.spark.executor.TaskMetrics;
+import org.apache.spark.util.TaskCompletionListener;
+import org.apache.spark.util.TaskCompletionListenerException;
+
+/**
+* :: DeveloperApi ::
+* Contextual information about a task which can be read or mutated during
execution.
+*/
+@DeveloperApi
+public class TaskContext implements Serializable {
+
+ private int stageId;
+ private int partitionId;
+ private long attemptId;
+ private boolean runningLocally;
+ private TaskMetrics taskMetrics;
+
+ /**
+ * :: DeveloperApi ::
+ * Contextual information about a task which can be read or mutated
during execution.
+ *
+ * @param stageId stage id
+ * @param partitionId index of the partition
+ * @param attemptId the number of attempts to execute this task
+ * @param runningLocally whether the task is running locally in the
driver JVM
+ * @param taskMetrics performance metrics of the task
+ */
+ @DeveloperApi
+ public TaskContext(Integer stageId, Integer partitionId, Long attemptId,
Boolean runningLocally,
--- End diff --
fyi all these should be primitives rather than boxed
Integers/Longs/Booleans. I'm going to fix it in a separate pr.
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