org.apache.hudi.integ.testsuite.dag.nodes

Class RollbackNode

java.lang.Object

org.apache.hudi.integ.testsuite.dag.nodes.DagNode<org.apache.hudi.common.util.Option<org.apache.hudi.common.table.timeline.HoodieInstant>>

org.apache.hudi.integ.testsuite.dag.nodes.RollbackNode

All Implemented Interfaces:

Comparable<DagNode<org.apache.hudi.common.util.Option<org.apache.hudi.common.table.timeline.HoodieInstant>>>

public class RollbackNode
extends DagNode<org.apache.hudi.common.util.Option<org.apache.hudi.common.table.timeline.HoodieInstant>>

A rollback node in the DAG helps to perform rollback operations.

Field Summary

Fields inherited from class org.apache.hudi.integ.testsuite.dag.nodes.DagNode

childNodes, config, log, parentNodes, result

Constructor Summary

Constructors

Constructor and Description
RollbackNode(DeltaConfig.Config config)

Method Summary

Modifier and Type	Method and Description
void	execute(ExecutionContext executionContext, int curItrCount) Method helps to rollback the last commit instant in the timeline, if it has one.

Methods inherited from class org.apache.hudi.integ.testsuite.dag.nodes.DagNode

addChildNode, addParentNode, clone, compareTo, equals, getChildNodes, getConfig, getName, getParentNodes, getResult, hashCode, isCompleted, setCompleted, setParentNodes

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RollbackNode

public RollbackNode(DeltaConfig.Config config)

Method Detail

execute

public void execute(ExecutionContext executionContext,
                    int curItrCount)
             throws Exception

Method helps to rollback the last commit instant in the timeline, if it has one.

Specified by:

execute in class DagNode<org.apache.hudi.common.util.Option<org.apache.hudi.common.table.timeline.HoodieInstant>>

Parameters:

executionContext - Execution context to perform this rollback

curItrCount - current iteration count.

Throws:

Exception - will be thrown if any error occurred