Package com.apple.foundationdb.record.provider.foundationdb.indexes

Class AtomicMutationIndexMaintainerFactory

java.lang.Object

com.apple.foundationdb.record.provider.foundationdb.indexes.AtomicMutationIndexMaintainerFactory

All Implemented Interfaces:

IndexMaintainerFactory

@AutoService(IndexMaintainerFactory.class)
@API(MAINTAINED)
public class AtomicMutationIndexMaintainerFactory
extends Object
implements IndexMaintainerFactory

A factory for AtomicMutationIndexMaintainer indexes. Implements the following index types:

• COUNT
• COUNT_UPDATES
• COUNT_NOT_NULL
• SUM
• MIN_EVER_TUPLE
• MAX_EVER_TUPLE
• MIN_EVER_LONG
• MAX_EVER_LONG
• MAX_EVER_VERSION

Constructor Summary

Constructors

Constructor	Description
AtomicMutationIndexMaintainerFactory()

Method Summary

Modifier and Type	Method	Description
IndexMaintainer	getIndexMaintainer(IndexMaintainerState state)	Get an index maintainer for the given record store and index meta-data.
Iterable<String>	getIndexTypes()	Get the index types supported by this factory.
IndexValidator	getIndexValidator(Index index)	Get a validator for the given index meta-data.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicMutationIndexMaintainerFactory

public AtomicMutationIndexMaintainerFactory()

Method Detail

getIndexTypes

@Nonnull
public Iterable<String> getIndexTypes()

Description copied from interface: IndexMaintainerFactory

Get the index types supported by this factory.

Specified by:

getIndexTypes in interface IndexMaintainerFactory

Returns:

a collection of strings of index types supported by this factory

getIndexValidator

@Nonnull
public IndexValidator getIndexValidator(Index index)

Description copied from interface: IndexMaintainerFactory

Get a validator for the given index meta-data.

Specified by:

getIndexValidator in interface IndexMaintainerFactory

Parameters:

index - an index that was produced by this factory

Returns:

a validator for this kind of index

getIndexMaintainer

@Nonnull
public IndexMaintainer getIndexMaintainer(IndexMaintainerState state)

Description copied from interface: IndexMaintainerFactory

Get an index maintainer for the given record store and index meta-data.

Specified by:

getIndexMaintainer in interface IndexMaintainerFactory

Parameters:

state - the state of the new index maintainer

Returns:

a new index maintainer for the type of index given