cascading.flow.tez.planner.rule.assertion

Class DualStreamedAccumulatedMergeNodeAssert

java.lang.Object

cascading.flow.planner.iso.assertion.GraphAssert<cascading.flow.planner.graph.ElementGraph>

cascading.flow.planner.rule.RuleAssert

cascading.flow.tez.planner.rule.assertion.DualStreamedAccumulatedMergeNodeAssert

All Implemented Interfaces:

cascading.flow.planner.rule.Rule

public class DualStreamedAccumulatedMergeNodeAssert
extends cascading.flow.planner.rule.RuleAssert

Throws a planner failure if a Tap, both accumulating and streamed, flows into a single merge within a given pipeline.

The optimization is to remove the streamed edge between tap and merge, but GraphFinder needs to support marking edges.

Nested Class Summary

Nested classes/interfaces inherited from class cascading.flow.planner.iso.assertion.GraphAssert

cascading.flow.planner.iso.assertion.GraphAssert.AssertionType

Constructor Summary

Constructors

Constructor and Description
DualStreamedAccumulatedMergeNodeAssert()

Method Summary

Methods inherited from class cascading.flow.planner.rule.RuleAssert

getRuleName, getRulePhase, toString, transform

Methods inherited from class cascading.flow.planner.iso.assertion.GraphAssert

assertion

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DualStreamedAccumulatedMergeNodeAssert

public DualStreamedAccumulatedMergeNodeAssert()