org.apache.lens.cube.metadata
Class SchemaGraph

java.lang.Object
  org.apache.lens.cube.metadata.SchemaGraph

public class SchemaGraph
extends Object

Nested Class Summary

static class	SchemaGraph.GraphSearch Perform a search for join paths on the schema graph
static class	SchemaGraph.JoinPath A list of table relationships that can be combined to get a join clause
static class	SchemaGraph.TableRelationship

Constructor Summary

SchemaGraph(CubeMetastoreClient metastore)

Method Summary

Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>>	getCubeGraph(CubeInterface cube)
Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>>	getCubeInGraph(CubeInterface cube)
Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>>	getDimOnlyGraph()
Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>>	getDimOnlyInGraph()
void	print()

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaGraph

public SchemaGraph(CubeMetastoreClient metastore)
            throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

Method Detail

getCubeGraph

public Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>> getCubeGraph(CubeInterface cube)

getDimOnlyGraph

public Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>> getDimOnlyGraph()

getCubeInGraph

public Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>> getCubeInGraph(CubeInterface cube)

getDimOnlyInGraph

public Map<AbstractCubeTable,Set<SchemaGraph.TableRelationship>> getDimOnlyInGraph()

print

public void print()