Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/164#discussion_r10965844
--- Diff:
mllib/src/main/java/org/apache/spark/mllib/input/WholeTextFileRecordReader.java
---
@@ -0,0 +1,103 @@
+/*
+ * 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.mllib.input;
+
+import java.io.IOException;
+
+import com.google.common.io.ByteStreams;
+import com.google.common.io.Closeables;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.InputSplit;
+import org.apache.hadoop.mapreduce.lib.input.CombineFileSplit;
+import org.apache.hadoop.mapreduce.RecordReader;
+import org.apache.hadoop.mapreduce.TaskAttemptContext;
+
+/**
+ * An {@link org.apache.hadoop.mapreduce.RecordReader} for reading a
single whole text file out in a
+ * key-value pair, where the key is the file path and the value is the
entire content of the file.
+ */
+public class WholeTextFileRecordReader extends RecordReader<String, Text> {
+ private Path path;
+
+ private String key = null;
+ private Text value = null;
--- End diff --
Can we change the value type to String here directly? Then you don't need
the extra mapValues
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