Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/164#discussion_r10993628
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/input/WholeTextFileRecordReader.scala
---
@@ -0,0 +1,72 @@
+/*
+ * 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 com.google.common.io.{ByteStreams, Closeables}
+
+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
+
+/**
+ * A [[org.apache.hadoop.mapreduce.RecordReader 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.
+ */
+private[mllib] class WholeTextFileRecordReader(
+ split: CombineFileSplit,
+ context: TaskAttemptContext,
+ index: Integer)
+ extends RecordReader[String, String] {
+
+ private val path = split.getPath(index)
+ private val fs = path.getFileSystem(context.getConfiguration)
+
+ // True means the current file has been processed, then skip it.
+ private var processed = false
+
+ private val key = path.toString
+ private var value: String = null
+
+ override def initialize(split: InputSplit, context: TaskAttemptContext)
= {}
+
+ override def close() = {}
+
+ override def getProgress = if(processed) 1.0f else 0.0f
+
+ override def getCurrentKey = key
+
+ override def getCurrentValue = value
+
+ override def nextKeyValue = {
+ if(!processed) {
--- End diff --
add a space after if
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