org.apache.hadoop.hive.common.jsonexplain.tez

Class Vertex

java.lang.Object

org.apache.hadoop.hive.common.jsonexplain.tez.Vertex

public class Vertex
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
List<Vertex>	children
boolean	dummy
List<Vertex>	mergeJoinDummyVertexs
String	name
List<Connection>	parentConnections
List<Op>	rootOps
boolean	union
org.json.JSONObject	vertexObject

Constructor Summary

Constructors

Constructor and Description
Vertex(String name, org.json.JSONObject vertexObject)

Method Summary

Methods

Modifier and Type	Method and Description
void	addDependency(Connection connection)
void	checkMultiReduceOperator() We check if a vertex has multiple reduce operators.
void	extractOpTree()
void	print(PrintStream out, List<Boolean> indentFlag, String type, Vertex callingVertex)

Methods inherited from class java.lang.Object

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

Field Detail

name

public String name

parentConnections

public List<Connection> parentConnections

children

public List<Vertex> children

vertexObject

public org.json.JSONObject vertexObject

union

public boolean union

dummy

public boolean dummy

rootOps

public List<Op> rootOps

mergeJoinDummyVertexs

public List<Vertex> mergeJoinDummyVertexs

Constructor Detail

Vertex

public Vertex(String name,
      org.json.JSONObject vertexObject)

Method Detail

addDependency

public void addDependency(Connection connection)
                   throws org.json.JSONException

Throws:

org.json.JSONException

extractOpTree

public void extractOpTree()
                   throws org.json.JSONException,
                          org.codehaus.jackson.JsonParseException,
                          org.codehaus.jackson.map.JsonMappingException,
                          IOException,
                          Exception

Throws:

org.json.JSONException

org.codehaus.jackson.JsonParseException

org.codehaus.jackson.map.JsonMappingException

IOException

Exception - We assume that there is a single top-level Map Operator Tree or a Reduce Operator Tree in a vertex

print

public void print(PrintStream out,
         List<Boolean> indentFlag,
         String type,
         Vertex callingVertex)
           throws org.json.JSONException,
                  Exception

Throws:

org.json.JSONException

Exception

checkMultiReduceOperator

public void checkMultiReduceOperator()

We check if a vertex has multiple reduce operators.