com.yahoo.bullet.querying.aggregations

Class FrequentItemsSketchingStrategy

java.lang.Object

com.yahoo.bullet.querying.aggregations.SketchingStrategy<FrequentItemsSketch>

com.yahoo.bullet.querying.aggregations.FrequentItemsSketchingStrategy

All Implemented Interfaces:

Closable, Monoidal, Strategy

public class FrequentItemsSketchingStrategy
extends SketchingStrategy<FrequentItemsSketch>

Field Summary

Fields

Modifier and Type	Field and Description
static String	NO_FALSE_NEGATIVES
static String	NO_FALSE_POSITIVES

Fields inherited from class com.yahoo.bullet.querying.aggregations.SketchingStrategy

fields, metadataKeys, separator, sketch

Constructor Summary

Constructors

Constructor and Description
FrequentItemsSketchingStrategy(TopK aggregation, BulletConfig config) Constructor that requires an Aggregation and a BulletConfig configuration.

Method Summary

Modifier and Type	Method and Description
void	consume(com.yahoo.bullet.record.BulletRecord data) Consumes a single BulletRecord into this Monoid.
List<com.yahoo.bullet.record.BulletRecord>	getRecords() Get the data so far as a List of BulletRecord.
Clip	getResult() Get the data so far as a Clip.

Methods inherited from class com.yahoo.bullet.querying.aggregations.SketchingStrategy

combine, getData, getMetadata, reset

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.bullet.querying.aggregations.Strategy

isClosed

Methods inherited from interface com.yahoo.bullet.common.Monoidal

merge

Field Detail

NO_FALSE_NEGATIVES

public static final String NO_FALSE_NEGATIVES

See Also:

Constant Field Values

NO_FALSE_POSITIVES

public static final String NO_FALSE_POSITIVES

See Also:

Constant Field Values

Constructor Detail

FrequentItemsSketchingStrategy

public FrequentItemsSketchingStrategy(TopK aggregation,
                                      BulletConfig config)

Constructor that requires an Aggregation and a BulletConfig configuration.

Parameters:

aggregation - An Aggregation with valid fields and attributes for this aggregation type.

config - The config that has relevant configs for this strategy.

Method Detail

consume

public void consume(com.yahoo.bullet.record.BulletRecord data)

Description copied from interface: Monoidal

Consumes a single BulletRecord into this Monoid.

Parameters:

data - The BulletRecord to consume.

getResult

public Clip getResult()

Description copied from interface: Monoidal

Get the data so far as a Clip.

Specified by:

getResult in interface Monoidal

Overrides:

getResult in class SketchingStrategy<FrequentItemsSketch>

Returns:

The resulting Clip representing the data and the metadata so far.

getRecords

public List<com.yahoo.bullet.record.BulletRecord> getRecords()

Description copied from interface: Monoidal

Get the data so far as a List of BulletRecord.

Specified by:

getRecords in interface Monoidal

Overrides:

getRecords in class SketchingStrategy<FrequentItemsSketch>

Returns:

The resulting list of records representing the data.