com.cloudera.impala.analysis.Vertex Class Reference

Inheritance diagram for com.cloudera.impala.analysis.Vertex:

Collaboration diagram for com.cloudera.impala.analysis.Vertex:

Public Member Functions
	Vertex (VertexId id, String label)
VertexId	getVertexId ()
String	getLabel ()
String	getType ()
String	toString ()
Map	toJson ()
boolean	equals (Object obj)
int	compareTo (Vertex cmp)
int	hashCode ()

Static Public Member Functions
static Vertex	fromJsonObj (JSONObject obj)

Private Attributes
final VertexId	id_
final String	type_ = "COLUMN"
final String	label_

Detailed Description

Represents a vertex in the column lineage graph. A Vertex may correspond to a base table column, a column in the destination table (for the case of INSERT or CTAS queries) or a result expr (labeled column of a query result set).

Definition at line 51 of file ColumnLineageGraph.java.

Constructor & Destructor Documentation

com.cloudera.impala.analysis.Vertex.Vertex ( VertexId  id, String  label  )

inline

Definition at line 60 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.id_, and com.cloudera.impala.analysis.Vertex.label_.

Referenced by com.cloudera.impala.analysis.Vertex.equals(), and com.cloudera.impala.analysis.Vertex.fromJsonObj().

Member Function Documentation

int com.cloudera.impala.analysis.Vertex.compareTo ( Vertex  cmp )

inline

Definition at line 103 of file ColumnLineageGraph.java.

boolean com.cloudera.impala.analysis.Vertex.equals ( Object  obj )

inline

Definition at line 95 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.label_, and com.cloudera.impala.analysis.Vertex.Vertex().

static Vertex com.cloudera.impala.analysis.Vertex.fromJsonObj ( JSONObject  obj )

inlinestatic

Constructs a Vertex object from a JSON object. The new object is returned.

Definition at line 88 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.Vertex().

String com.cloudera.impala.analysis.Vertex.getLabel ( )

inline

Definition at line 67 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.label_.

String com.cloudera.impala.analysis.Vertex.getType ( )

inline

Definition at line 68 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.type_.

VertexId com.cloudera.impala.analysis.Vertex.getVertexId ( )

inline

Definition at line 66 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.id_.

int com.cloudera.impala.analysis.Vertex.hashCode ( )

inline

Definition at line 106 of file ColumnLineageGraph.java.

Map com.cloudera.impala.analysis.Vertex.toJson ( )

inline

Encodes this Vertex object into a JSON object represented by a Map.

Definition at line 76 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.label_, and com.cloudera.impala.analysis.Vertex.type_.

String com.cloudera.impala.analysis.Vertex.toString ( )

inline

Definition at line 71 of file ColumnLineageGraph.java.

References com.cloudera.impala.analysis.Vertex.id_, com.cloudera.impala.analysis.Vertex.label_, and com.cloudera.impala.analysis.Vertex.type_.

Member Data Documentation

final VertexId com.cloudera.impala.analysis.Vertex.id_

private

Definition at line 53 of file ColumnLineageGraph.java.

Referenced by com.cloudera.impala.analysis.Vertex.getVertexId(), com.cloudera.impala.analysis.Vertex.toString(), and com.cloudera.impala.analysis.Vertex.Vertex().

final String com.cloudera.impala.analysis.Vertex.label_

private

Definition at line 58 of file ColumnLineageGraph.java.

Referenced by com.cloudera.impala.analysis.Vertex.equals(), com.cloudera.impala.analysis.Vertex.getLabel(), com.cloudera.impala.analysis.Vertex.toJson(), com.cloudera.impala.analysis.Vertex.toString(), and com.cloudera.impala.analysis.Vertex.Vertex().

final String com.cloudera.impala.analysis.Vertex.type_ = "COLUMN"

private

Definition at line 55 of file ColumnLineageGraph.java.

Referenced by com.cloudera.impala.analysis.Vertex.getType(), com.cloudera.impala.analysis.Vertex.toJson(), and com.cloudera.impala.analysis.Vertex.toString().

---

The documentation for this class was generated from the following file:

• fe/src/main/java/com/cloudera/impala/analysis/ColumnLineageGraph.java