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Xu Yang updated FLINK-13513: ---------------------------- Description: Define the abstract classes for the single-thread executor for Row type data. * Add the definition of abstract class Mapper * Add abstract class ModelMapper extends Mapper was: Define the abstract classes for the single-thread executor for Row type data. * Add the definition of abstract class FlatMapper * Add interface MapOpInterface for _the map operation of Row type data._ * Add abstract class FlatModelMapper, Mapper extends FlatMapper * Add abstract class ModelMapper extends FlatModelMapper > Add the Mapper and related classes for later algorithm implementations. > -------------------------------------------------------------------------- > > Key: FLINK-13513 > URL: https://issues.apache.org/jira/browse/FLINK-13513 > Project: Flink > Issue Type: Sub-task > Components: Library / Machine Learning > Reporter: Xu Yang > Priority: Major > Labels: pull-request-available > Time Spent: 10m > Remaining Estimate: 0h > > Define the abstract classes for the single-thread executor for Row type data. > * Add the definition of abstract class Mapper > * Add abstract class ModelMapper extends Mapper -- This message was sent by Atlassian Jira (v8.3.4#803005)