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Basic tasks (Mapper, Reducer and Combiner) for hadoopcompatibility #833

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Basic tasks (Mapper, Reducer and Combiner) for hadoopcompatibility #833

wants to merge 3 commits into from

Commits on May 19, 2014

  1. hadoopcompatibility: Wrappers and support for basic mapred hadoop tasks 

    * wrappers for Mapper, Reducer and Combiner (as a local Reducer)
* interface for Wrappers of OutputCollectors and a default implementation
* New full example of Wordcount using mapred Mapper and Reducer
* Updated test case
    Artem Tsikiridis committed May 19, 2014
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  2. hadoopcompatibility: Modified hadoopcompatibility stucture in accorda… 

    …nce to stratosphere#777.
    Artem Tsikiridis committed May 19, 2014
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  3. hadoopcompatibility: Implemented Record unwrapping iterator of values… 

    … to use in reduce function.
    Artem Tsikiridis committed May 19, 2014
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