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

Class DagNode<O>

java.lang.Object

org.apache.hudi.integ.testsuite.dag.nodes.DagNode<O>

All Implemented Interfaces:

Comparable<DagNode<O>>

Direct Known Subclasses:

BaseQueryNode, BaseValidateDatasetNode, CleanNode, ClusteringNode, CompactNode, DelayNode, DeleteInputDatasetNode, HiveSyncNode, InsertNode, RollbackNode, ScheduleCompactNode, SparkSQLQueryNode, ValidateAsyncOperations, ValidateNode

public abstract class DagNode<O>
extends Object
implements Comparable<DagNode<O>>

Base abstraction of an compute node in the DAG of operations for a workflow.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<DagNode<O>>	childNodes
protected DeltaConfig.Config	config
protected static org.slf4j.Logger	log
protected List<DagNode<O>>	parentNodes
protected O	result

Constructor Summary

Constructors

Constructor and Description
DagNode()

Method Summary

Modifier and Type	Method and Description
DagNode<O>	addChildNode(DagNode childNode)
DagNode<O>	addParentNode(DagNode parentNode)
DagNode	clone()
int	compareTo(DagNode<O> thatNode)
boolean	equals(Object o)
abstract void	execute(ExecutionContext context, int curItrCount) Execute the DagNode.
List<DagNode<O>>	getChildNodes()
DeltaConfig.Config	getConfig()
String	getName()
List<DagNode<O>>	getParentNodes()
O	getResult()
int	hashCode()
boolean	isCompleted()
void	setCompleted(boolean completed)
void	setParentNodes(List<DagNode<O>> parentNodes)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.slf4j.Logger log

childNodes

protected List<DagNode<O>> childNodes

parentNodes

protected List<DagNode<O>> parentNodes

result

protected O result

config

protected DeltaConfig.Config config

Constructor Detail

DagNode

public DagNode()

Method Detail

clone

public DagNode clone()

Overrides:

clone in class Object

addChildNode

public DagNode<O> addChildNode(DagNode childNode)

addParentNode

public DagNode<O> addParentNode(DagNode parentNode)

getResult

public O getResult()

getChildNodes

public List<DagNode<O>> getChildNodes()

getParentNodes

public List<DagNode<O>> getParentNodes()

setParentNodes

public void setParentNodes(List<DagNode<O>> parentNodes)

execute

public abstract void execute(ExecutionContext context,
                             int curItrCount)
                      throws Exception

Execute the DagNode.

Parameters:

context - The context needed for an execution of a node.

curItrCount - iteration count for executing the node.

Throws:

Exception - Thrown if the execution failed.

isCompleted

public boolean isCompleted()

setCompleted

public void setCompleted(boolean completed)

getConfig

public DeltaConfig.Config getConfig()

getName

public String getName()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(DagNode<O> thatNode)

Specified by:

compareTo in interface Comparable<DagNode<O>>