Path	Lines of Code
contrib/hadoop/src/main/java/com/google/cloud/dataflow/contrib/hadoop/HadoopFileSource.java	341
contrib/hadoop/src/main/java/com/google/cloud/dataflow/contrib/hadoop/WritableCoder.java	64
contrib/join-library/src/main/java/com/google/cloud/dataflow/contrib/joinlibrary/Join.java	112