com.yahoo.bard.webservice.druid.model.datasource

Class DataSource

java.lang.Object

com.yahoo.bard.webservice.druid.model.datasource.DataSource

Direct Known Subclasses:

QueryDataSource, TableDataSource, UnionDataSource

public abstract class DataSource
extends Object

DataSource base class.

Constructor Summary

Constructors

Constructor and Description
DataSource(DataSourceType type, ConstrainedTable physicalTable) Constructor.

Method Summary

Modifier and Type	Method and Description
Set<String>	getNames() Returns a set of identifiers used by Fili to identify this data source's physical tables.
ConstrainedTable	getPhysicalTable() Get the data source physical table.
Set<ConstrainedTable>	getPhysicalTables() Deprecated. DataSources can only have a single table, and any unioning semantics is done at the PhysicalTable level
Optional<? extends DruidQuery<?>>	getQuery() Get the query that defines the data source.
DataSourceType	getType()

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSource

public DataSource(DataSourceType type,
                  ConstrainedTable physicalTable)

Constructor.

Parameters:

type - Type of the data source

physicalTable - PhysicalTables pointed to by the DataSource

Method Detail

getType

public DataSourceType getType()

getPhysicalTables

@Deprecated
public Set<ConstrainedTable> getPhysicalTables()

Deprecated. DataSources can only have a single table, and any unioning semantics is done at the PhysicalTable level

Get the data source physical table(s) as a collection.

Returns:

the set of physical tables for the data source

getPhysicalTable

public ConstrainedTable getPhysicalTable()

Get the data source physical table.

Returns:

the set of physical tables for the data source

getNames

public Set<String> getNames()

Returns a set of identifiers used by Fili to identify this data source's physical tables.

Returns:

The set of names used by Fili to identify this data source's physical tables

getQuery

public Optional<? extends DruidQuery<?>> getQuery()

Get the query that defines the data source.

May be empty if the data source does not have a query.

Returns:

the query that this data source is generated from