Package com.illumon.iris.db.v2.sources.regioned

Class RegionedColumnSourceManager

java.lang.Object

com.illumon.iris.db.v2.sources.regioned.RegionedColumnSourceManager

All Implemented Interfaces:

ColumnSourceManager

public class RegionedColumnSourceManager
extends Object
implements ColumnSourceManager

Manage column sources made up of regions in their own index address space.

Method Summary

Modifier and Type	Method	Description
void	addLocation(TableLocation tableLocation)	Add a table location to the list to be checked in refresh().
final Collection<TableLocation>	allLocations()	Get the added locations, first the ones that have been "included" (found to exist with non-zero size) in order of inclusion, then the remainder in order of discovery.
final void	disableGrouping()	Turn off column grouping, and clear the groupings on all GROUPING column sources.
final Map<String,? extends ColumnSource<?>>	getColumnSources()	Get a map of name to ColumnSource for the column sources maintained by this manager.
DataIndexProviderImpl	getDataIndexProvider()	Get the DataIndexProvider to retrieve Data Indexes for this table.
final Collection<TableLocation>	includedLocations()	Get the added locations that have been found to exist and have non-zero size.
final boolean	isEmpty()	Report whether this ColumnSourceManager has no locations that have been "included" (i.e.
Index	refresh()	Observe size changes in the previously added table locations, and update the managed column sources accordingly.
void	removeLocation(TableLocation location)	Remove a table location from the sources.

Methods inherited from class java.lang.Object

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

Method Details

addLocation

public void addLocation(@NotNull
 TableLocation tableLocation)

Description copied from interface: ColumnSourceManager

Add a table location to the list to be checked in refresh().

Specified by:

addLocation in interface ColumnSourceManager

Parameters:

tableLocation - The table location to be added

removeLocation

public void removeLocation(@NotNull
 TableLocation location)

Description copied from interface: ColumnSourceManager

Remove a table location from the sources.

Specified by:

removeLocation in interface ColumnSourceManager

Parameters:

location - the location key being removed

refresh

public Index refresh()

Description copied from interface: ColumnSourceManager

Observe size changes in the previously added table locations, and update the managed column sources accordingly.

Specified by:

refresh in interface ColumnSourceManager

Returns:

The index of added keys

allLocations

public final Collection<TableLocation> allLocations()

Description copied from interface: ColumnSourceManager

Get the added locations, first the ones that have been "included" (found to exist with non-zero size) in order of inclusion, then the remainder in order of discovery.

Specified by:

allLocations in interface ColumnSourceManager

Returns:

All known locations, ordered as described

includedLocations

public final Collection<TableLocation> includedLocations()

Description copied from interface: ColumnSourceManager

Get the added locations that have been found to exist and have non-zero size.

Specified by:

includedLocations in interface ColumnSourceManager

Returns:

The added locations that have been found to exist and have non-zero size

isEmpty

public final boolean isEmpty()

Description copied from interface: ColumnSourceManager

Report whether this ColumnSourceManager has no locations that have been "included" (i.e. found to exist with non-zero size).

Specified by:

isEmpty in interface ColumnSourceManager

Returns:

True if there are no included locations

getColumnSources

public final Map<String,? extends ColumnSource<?>> getColumnSources()

Description copied from interface: ColumnSourceManager

Get a map of name to ColumnSource for the column sources maintained by this manager.

Specified by:

getColumnSources in interface ColumnSourceManager

Returns:

An unmodifiable view of the column source map maintained by this manager.

getDataIndexProvider

@Nullable
public DataIndexProviderImpl getDataIndexProvider()

Description copied from interface: ColumnSourceManager

Get the DataIndexProvider to retrieve Data Indexes for this table.

Specified by:

getDataIndexProvider in interface ColumnSourceManager

Returns:

the data index provider, or null if none has been created.

disableGrouping

public final void disableGrouping()

Description copied from interface: ColumnSourceManager

Turn off column grouping, and clear the groupings on all GROUPING column sources. Note that this does *not* affect PARTITIONING columns.

Specified by:

disableGrouping in interface ColumnSourceManager