org.apache.hadoop.hive.ql.plan

Interface ConditionalResolver

All Known Implementing Classes:

ConditionalResolverCommonJoin, ConditionalResolverMergeFiles, ConditionalResolverSkewJoin

public interface ConditionalResolver

Conditional task resolution interface. This is invoked at run time to get the task to invoke. Developers can plug in their own resolvers.

Method Summary

Modifier and Type	Method and Description
List<Task<? extends Serializable>>	getTasks(HiveConf conf, Object ctx) All conditional resolvers implement this interface.

Method Detail

getTasks

List<Task<? extends Serializable>> getTasks(HiveConf conf,
                                            Object ctx)

All conditional resolvers implement this interface.

Parameters:

conf - configuration

ctx - opaque context

Returns:

position of the task