[jira] [Commented] (CARBONDATA-298) 3. Add InputProcessorStep which should iterate recordreader and parse the data as per the data type.

[Akash R Nilugal (Jira)]

    [ https://issues.apache.org/jira/browse/CARBONDATA-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15591240#comment-15591240 ]

ASF GitHub Bot commented on CARBONDATA-298:
-------------------------------------------

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/240#discussion_r84228406
 
    --- Diff: processing/src/main/java/org/apache/carbondata/processing/newflow/parser/GenericParser.java ---
    @@ -0,0 +1,22 @@
    +package org.apache.carbondata.processing.newflow.parser;
    +
    +/**
    + * Parse the data according to implementation, The implementation classes can be struct, array or
    + * map datatypes.
    + */
    +public interface GenericParser<E> {
    +
    +  /**
    +   * Parse the data as per the delimiter
    +   * @param data
    +   * @return
    +   */
    +  E parse(String data);
    +
    +  /**
    +   * Children of the parser.
    +   * @param parser
    +   */
    +  void addChildren(GenericParser parser);
    --- End diff --
   
    This can be the behavior of parser for complex type only, so I think you can create a sub-interface for `ComplexTypePaser` extending `GenericParser`. Or even better, you can remove it and add it in `ArrayParserImpl` and `StructParserImpl` only

> 3. Add InputProcessorStep which should iterate recordreader and parse the data as per the data type.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-298
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-298
>             Project: CarbonData
>          Issue Type: Sub-task
>            Reporter: Ravindra Pesala
>             Fix For: 0.2.0-incubating
>
>
> Add InputProcessorStep which should iterate recordreader/RecordBufferedWriter and parse the data as per the data types.

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