io.druid.segment

Class QueryableIndexStorageAdapter

java.lang.Object

io.druid.segment.QueryableIndexStorageAdapter

All Implemented Interfaces:

CursorFactory, StorageAdapter

public class QueryableIndexStorageAdapter
extends Object
implements StorageAdapter

Constructor Summary

Constructors

Constructor and Description
QueryableIndexStorageAdapter(QueryableIndex index)

Method Summary

Modifier and Type	Method and Description
Indexed<String>	getAvailableDimensions()
Iterable<String>	getAvailableMetrics()
Capabilities	getCapabilities()
ColumnCapabilities	getColumnCapabilities(String column)
String	getColumnTypeName(String columnName) Like ColumnCapabilities.getType(), but may return a more descriptive string for complex columns.
int	getDimensionCardinality(String dimension) 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()
Metadata	getMetadata()
org.joda.time.DateTime	getMinTime()
int	getNumRows()
String	getSegmentIdentifier()
com.metamx.common.guava.Sequence<Cursor>	makeCursors(Filter filter, org.joda.time.Interval interval, QueryGranularity gran, boolean descending)

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryableIndexStorageAdapter

public QueryableIndexStorageAdapter(QueryableIndex index)

Method Detail

getSegmentIdentifier

public String getSegmentIdentifier()

Specified by:

getSegmentIdentifier in interface StorageAdapter

getInterval

public org.joda.time.Interval getInterval()

Specified by:

getInterval in interface StorageAdapter

getAvailableDimensions

public Indexed<String> getAvailableDimensions()

Specified by:

getAvailableDimensions in interface StorageAdapter

getAvailableMetrics

public Iterable<String> getAvailableMetrics()

Specified by:

getAvailableMetrics in interface StorageAdapter

getDimensionCardinality

public int getDimensionCardinality(String dimension)

Description copied from interface: StorageAdapter

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

Specified by:

getDimensionCardinality in interface StorageAdapter

Returns:

getNumRows

public int getNumRows()

Specified by:

getNumRows in interface StorageAdapter

getMinTime

public org.joda.time.DateTime getMinTime()

Specified by:

getMinTime in interface StorageAdapter

getMaxTime

public org.joda.time.DateTime getMaxTime()

Specified by:

getMaxTime in interface StorageAdapter

getCapabilities

public Capabilities getCapabilities()

Specified by:

getCapabilities in interface StorageAdapter

getColumnCapabilities

public ColumnCapabilities getColumnCapabilities(String column)

Specified by:

getColumnCapabilities in interface StorageAdapter

getColumnTypeName

public String getColumnTypeName(String columnName)

Description copied from interface: StorageAdapter

Like ColumnCapabilities.getType(), but may return a more descriptive string for complex columns.

Specified by:

getColumnTypeName in interface StorageAdapter

Parameters:

columnName - column name

Returns:

type name

getMaxIngestedEventTime

public org.joda.time.DateTime getMaxIngestedEventTime()

Specified by:

getMaxIngestedEventTime in interface StorageAdapter

makeCursors

public com.metamx.common.guava.Sequence<Cursor> makeCursors(Filter filter,
                                                            org.joda.time.Interval interval,
                                                            QueryGranularity gran,
                                                            boolean descending)

Specified by:

makeCursors in interface CursorFactory

getMetadata

public Metadata getMetadata()

Specified by:

getMetadata in interface StorageAdapter