org.locationtech.geowave.core.store.api

Class IndexStatistic<V extends StatisticValue<?>>

java.lang.Object

org.locationtech.geowave.core.store.api.Statistic<V>

org.locationtech.geowave.core.store.api.IndexStatistic<V>

All Implemented Interfaces:

Persistable

Direct Known Subclasses:

DifferingVisibilityCountStatistic, DuplicateEntryCountStatistic, FieldVisibilityCountStatistic, IndexMetaDataSetStatistic, MaxDuplicatesStatistic, PartitionsStatistic, RowRangeHistogramStatistic

public abstract class IndexStatistic<V extends StatisticValue<?>>
extends Statistic<V>

Base class for index statistics. These statistics are generally updated without using specific details of the entry or the data type.

Field Summary

Fields inherited from class org.locationtech.geowave.core.store.api.Statistic

cachedStatisticId, DEFAULT_TAG, INTERNAL_TAG

Constructor Summary

Constructors

Constructor and Description
IndexStatistic(IndexStatisticType<V> statisticsType)
IndexStatistic(IndexStatisticType<V> statisticsType, String indexName)

Method Summary

Modifier and Type	Method and Description
protected int	byteLength()
static ByteArray	generateGroupId(String indexName)
static <V extends StatisticValue<?>> StatisticId<V>	generateStatisticId(String indexName, IndexStatisticType<V> statisticType, String tag)
StatisticId<V>	getId() Return the unique identifier for the statistic.
String	getIndexName()
boolean	isCompatibleWith(Class<?> indexClass) Determine if the statistic is compatible with the given class.
protected void	readBytes(ByteBuffer buffer)
void	setIndexName(String name)
String	toString()
protected void	writeBytes(ByteBuffer buffer)

Methods inherited from class org.locationtech.geowave.core.store.api.Statistic

createEmpty, fromBinary, getBinningStrategy, getDescription, getStatisticType, getTag, isInternal, setBinningStrategy, setInternal, setTag, toBinary

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexStatistic

public IndexStatistic(IndexStatisticType<V> statisticsType)

IndexStatistic

public IndexStatistic(IndexStatisticType<V> statisticsType,
                      String indexName)

Method Detail

setIndexName

public void setIndexName(String name)

getIndexName

public String getIndexName()

isCompatibleWith

public boolean isCompatibleWith(Class<?> indexClass)

Description copied from class: Statistic

Determine if the statistic is compatible with the given class.

Specified by:

isCompatibleWith in class Statistic<V extends StatisticValue<?>>

Parameters:

indexClass - the class to check

Returns:

true if the statistic is compatible

getId

public final StatisticId<V> getId()

Description copied from class: Statistic

Return the unique identifier for the statistic.

Specified by:

getId in class Statistic<V extends StatisticValue<?>>

Returns:

the statistic id

byteLength

protected int byteLength()

Overrides:

byteLength in class Statistic<V extends StatisticValue<?>>

writeBytes

protected void writeBytes(ByteBuffer buffer)

Overrides:

writeBytes in class Statistic<V extends StatisticValue<?>>

readBytes

protected void readBytes(ByteBuffer buffer)

Overrides:

readBytes in class Statistic<V extends StatisticValue<?>>

toString

public String toString()

Overrides:

toString in class Object

generateStatisticId

public static <V extends StatisticValue<?>> StatisticId<V> generateStatisticId(String indexName,
                                                                               IndexStatisticType<V> statisticType,
                                                                               String tag)

generateGroupId

public static ByteArray generateGroupId(String indexName)