org.apache.lens.cube.metadata

Class SchemaGraph.JoinPath

java.lang.Object

org.apache.lens.cube.metadata.SchemaGraph.JoinPath

Enclosing class:

SchemaGraph

public static class SchemaGraph.JoinPath
extends Object

A list of table relationships that can be combined to get a join clause

Constructor Summary

Constructors

Constructor and Description
SchemaGraph.JoinPath()
SchemaGraph.JoinPath(SchemaGraph.JoinPath other)

Method Summary

Methods

Modifier and Type	Method and Description
void	addEdge(SchemaGraph.TableRelationship edge)
boolean	containsColumnOfTable(String column, AbstractCubeTable table)
Set<AbstractCubeTable>	getAllTables()
List<String>	getColumnsForTable(AbstractCubeTable table)
List<SchemaGraph.TableRelationship>	getEdges()
void	initColumnsForTable()
boolean	isEmpty()
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SchemaGraph.JoinPath

public SchemaGraph.JoinPath()

SchemaGraph.JoinPath

public SchemaGraph.JoinPath(SchemaGraph.JoinPath other)

Method Detail

initColumnsForTable

public void initColumnsForTable()

addEdge

public void addEdge(SchemaGraph.TableRelationship edge)

isEmpty

public boolean isEmpty()

getEdges

public List<SchemaGraph.TableRelationship> getEdges()

getColumnsForTable

public List<String> getColumnsForTable(AbstractCubeTable table)

getAllTables

public Set<AbstractCubeTable> getAllTables()

containsColumnOfTable

public boolean containsColumnOfTable(String column,
                            AbstractCubeTable table)

toString

public String toString()

Overrides:

toString in class Object