io.druid.segment

Interface StorageAdapter

All Superinterfaces:

CursorFactory

All Known Implementing Classes:

IncrementalIndexStorageAdapter, QueryableIndexStorageAdapter

public interface StorageAdapter
extends CursorFactory

Method Summary

Methods

Modifier and Type	Method and Description
Indexed<String>	getAvailableDimensions()
Iterable<String>	getAvailableMetrics()
Capabilities	getCapabilities()
int	getDimensionCardinality(String column) Returns the number of distinct values for the given dimension column For dimensions of unknown cardinality, e.g.
org.joda.time.Interval	getInterval()
org.joda.time.DateTime	getMaxIngestedEventTime()
org.joda.time.DateTime	getMaxTime()
org.joda.time.DateTime	getMinTime()
String	getSegmentIdentifier()

Methods inherited from interface io.druid.segment.CursorFactory

makeCursors

Method Detail

getSegmentIdentifier

String getSegmentIdentifier()

getInterval

org.joda.time.Interval getInterval()

getAvailableDimensions

Indexed<String> getAvailableDimensions()

getAvailableMetrics

Iterable<String> getAvailableMetrics()

getDimensionCardinality

int getDimensionCardinality(String column)

Returns the number of distinct values for the given dimension column For dimensions of unknown cardinality, e.g. __time this currently returns Integer.MAX_VALUE

Parameters:

column -

Returns:

getMinTime

org.joda.time.DateTime getMinTime()

getMaxTime

org.joda.time.DateTime getMaxTime()

getCapabilities

Capabilities getCapabilities()

getMaxIngestedEventTime

org.joda.time.DateTime getMaxIngestedEventTime()