org.apache.tez.runtime.api
Interface TezRootInputInitializer

public interface TezRootInputInitializer

TezRootInputInitializers are used to initialize root vertices within the AM. They can be used to distribute data across the tasks for the vertex, determine the number of tasks at runtime, update the Input payload etc.

Method Summary

List<Event>

initialize(TezRootInputInitializerContext inputVertexContext)

Method Detail

initialize

List<Event> initialize(TezRootInputInitializerContext inputVertexContext)
                       throws Exception

Throws:

Exception