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From DT-Priyanka <...@git.apache.org>
Subject [GitHub] incubator-apex-malhar pull request: APEXMALHAR-2008: Create HDFS F...
Date Wed, 16 Mar 2016 07:00:54 GMT
Github user DT-Priyanka commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-malhar/pull/207#discussion_r56288758
  
    --- Diff: library/src/main/java/com/datatorrent/lib/io/fs/HDFSInputModule.java ---
    @@ -0,0 +1,236 @@
    +/**
    + * 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 com.datatorrent.lib.io.fs;
    +
    +import javax.validation.constraints.Min;
    +import javax.validation.constraints.NotNull;
    +import javax.validation.constraints.Size;
    +
    +import org.apache.commons.lang.mutable.MutableLong;
    +import org.apache.hadoop.conf.Configuration;
    +
    +import com.datatorrent.api.Context;
    +import com.datatorrent.api.DAG;
    +import com.datatorrent.api.Module;
    +import com.datatorrent.common.metric.MetricsAggregator;
    +import com.datatorrent.common.metric.SingleMetricAggregator;
    +import com.datatorrent.common.metric.sum.LongSumAggregator;
    +import com.datatorrent.common.partitioner.StatelessPartitioner;
    +import com.datatorrent.lib.counters.BasicCounters;
    +import com.datatorrent.lib.io.block.AbstractBlockReader.ReaderRecord;
    +import com.datatorrent.lib.io.block.BlockMetadata.FileBlockMetadata;
    +import com.datatorrent.lib.io.block.HDFSBlockReader;
    +import com.datatorrent.lib.io.fs.AbstractFileSplitter.FileMetadata;
    +import com.datatorrent.lib.io.fs.HDFSFileSplitter.HDFSScanner;
    +import com.datatorrent.netlet.util.Slice;
    +
    +/**
    + * HDFSInputModule is used to read files from HDFS. <br/>
    + * Module emits FileMetadata, BlockMetadata and the block bytes.
    + */
    +public class HDFSInputModule implements Module
    +{
    +
    +  @NotNull
    +  @Size(min = 1)
    +  private String files;
    --- End diff --
    
    I have created a Malhar jira for same: APEXMALHAR-2016, we would do it later and not part
of this review request.


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