org.apache.lens.cube.metadata

Interface FactTable

All Superinterfaces:

Named

All Known Implementing Classes:

CubeFactTable, CubeVirtualFactTable

public interface FactTable
extends Named

The Fact table interface

Method Summary

Modifier and Type	Method and Description
Date	getAbsoluteEndTime() Absolute end time of the fact
Date	getAbsoluteStartTime() Absolute start time of the fact
Set<String>	getAllFieldNames() Set of all the columns names of the fact
List<org.apache.hadoop.hive.metastore.api.FieldSchema>	getColumns() List of columns of the fact
String	getCubeName() Cube to which this fact belongs to
String	getDataCompletenessTag() tag for checking data completeness
Date	getEndTime() End time of the fact
Map<String,String>	getProperties() Config properties
Date	getRelativeEndTime() Relative End time of the Fact
Date	getRelativeStartTime() Relative start time of the fact
String	getSourceFactName() Storage name of the fact
Date	getStartTime() Start time of the fact
Set<String>	getStorages() The set of Storage names
CubeTableType	getTableType() The type of the fact
Map<String,Set<UpdatePeriod>>	getUpdatePeriods() Get map of storage to update period mapping
Set<String>	getValidColumns() Valid columns of the fact
boolean	isAggregated() Is Aggregated Fact
boolean	isVirtualFact() Is Virtual Fact
double	weight() Weight of the fact

Methods inherited from interface org.apache.lens.cube.metadata.Named

getName

Method Detail

getUpdatePeriods

Map<String,Set<UpdatePeriod>> getUpdatePeriods()

Get map of storage to update period mapping

Returns:

Map of storage to set of update periods

getCubeName

String getCubeName()

Cube to which this fact belongs to

Returns:

the cube string

getStorages

Set<String> getStorages()

The set of Storage names

Returns:

set of strings

getTableType

CubeTableType getTableType()

The type of the fact

Returns:

table type CubeTableType

getProperties

Map<String,String> getProperties()

Config properties

Returns:

map of string, string

getValidColumns

Set<String> getValidColumns()

Valid columns of the fact

Returns:

list of column names

weight

double weight()

Weight of the fact

Returns:

weight of the fact in double

getAllFieldNames

Set<String> getAllFieldNames()

Set of all the columns names of the fact

Returns:

set of column names

getDataCompletenessTag

String getDataCompletenessTag()

tag for checking data completeness

Returns:

Tag String

getColumns

List<org.apache.hadoop.hive.metastore.api.FieldSchema> getColumns()

List of columns of the fact

Returns:

set of FieldSchema

isAggregated

boolean isAggregated()

Is Aggregated Fact

Returns:

true if fact is Aggregated , false otherwise

getAbsoluteStartTime

Date getAbsoluteStartTime()

Absolute start time of the fact

Returns:

Absolute Start time of the fact Date

getRelativeStartTime

Date getRelativeStartTime()

Relative start time of the fact

Returns:

Relative Start time of the fact Date

getStartTime

Date getStartTime()

Start time of the fact

Returns:

Start time of the fact Date

getAbsoluteEndTime

Date getAbsoluteEndTime()

Absolute end time of the fact

Returns:

Absolute End time of the fact Date

getRelativeEndTime

Date getRelativeEndTime()

Relative End time of the Fact

Returns:

Relative end time of the fact Date

getEndTime

Date getEndTime()

End time of the fact

Returns:

End time of the fact Date

isVirtualFact

boolean isVirtualFact()

Is Virtual Fact

Returns:

true if fact is a virtual fact, false otherwise

getSourceFactName

String getSourceFactName()

Storage name of the fact

Returns:

Storage name of the fact