Github user joshelser commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/103#discussion_r64975664
--- Diff:
core/src/main/java/org/apache/accumulo/core/client/rfile/RFile.java ---
@@ -0,0 +1,271 @@
+/*
+ * 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.accumulo.core.client.rfile;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.accumulo.core.client.Scanner;
+import org.apache.accumulo.core.client.admin.TableOperations;
+import org.apache.accumulo.core.client.sample.SamplerConfiguration;
+import org.apache.accumulo.core.data.Key;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.io.Text;
+
+/**
+ * RFile is Accumulo's internal storage format for Key Value pairs. This
class is a Factory that enables creating a {@link Scanner} for reading and a
+ * {@link RFileWriter} for writing Rfiles.
+ *
+ * <p>
+ * The {@link Scanner} created by this class makes it easy to experiment
with real data from a live system on a developers workstation. Also the {@link
Scanner}
+ * can be used to write tools to analyze Accumulo's raw data.
+ *
+ * @since 1.8.0
+ */
+public class RFile {
+
+ public static interface InputArguments {
+ /**
+ * Specify RFiles to read from. When multiple are specified the {@link
Scanner} constructed will present a merged view.
--- End diff --
"When multiple [...]". "files", "sources", "inputs", or something.
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