Uses of Class
io.druid.guice.annotations.ExtensionPoint

Packages that use ExtensionPoint

Package	Description
io.druid.cli
io.druid.data.input
io.druid.data.input.impl
io.druid.indexing.overlord.autoscaling
io.druid.indexing.overlord.setup
io.druid.initialization
io.druid.metadata
io.druid.query
io.druid.query.aggregation
io.druid.query.extraction
io.druid.query.groupby
io.druid.query.timeseries
io.druid.query.topn
io.druid.segment
io.druid.segment.data
io.druid.segment.loading
io.druid.segment.serde
io.druid.server.initialization.jetty
io.druid.tasklogs

Uses of ExtensionPoint in io.druid.cli

Classes in io.druid.cli with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	CliCommandCreator

Uses of ExtensionPoint in io.druid.data.input

Classes in io.druid.data.input with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	Committer Committer includes a Runnable and a Jackson-serialized metadata object containing the offset
interface	Firehose This is an interface that holds onto the stream of incoming data.
interface	FirehoseFactory<T extends InputRowParser> FirehoseFactory creates a Firehose which is an interface holding onto the stream of incoming data.
interface	FirehoseFactoryV2<T extends InputRowParser> Initialization method that connects up the FirehoseV2.
interface	FirehoseV2 This is an interface that holds onto the stream of incoming data.
interface	InputRow An InputRow is the interface definition of an event being input into the data ingestion layer.

Uses of ExtensionPoint in io.druid.data.input.impl

Classes in io.druid.data.input.impl with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	InputRowParser<T>
class	ParseSpec

Uses of ExtensionPoint in io.druid.indexing.overlord.autoscaling

Classes in io.druid.indexing.overlord.autoscaling with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	AutoScaler<T> The AutoScaler has the actual methods to provision and terminate worker nodes.
interface	ProvisioningStrategy<T extends TaskRunner> In general, the resource management is tied to the runner.

Uses of ExtensionPoint in io.druid.indexing.overlord.setup

Classes in io.druid.indexing.overlord.setup with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	WorkerBehaviorConfig Outside of PendingTaskBasedWorkerProvisioningStrategy and SimpleWorkerProvisioningStrategy, WorkerBehaviorConfig is used only in TaskRunner, and only WorkerBehaviorConfig.getSelectStrategy() method is used.

Uses of ExtensionPoint in io.druid.initialization

Classes in io.druid.initialization with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	DruidModule

Uses of ExtensionPoint in io.druid.metadata

Classes in io.druid.metadata with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	PasswordProvider Implement this for different ways to (optionally securely) access secrets.

Uses of ExtensionPoint in io.druid.query

Classes in io.druid.query with annotations of type ExtensionPoint

Modifier and Type	Class and Description
class	BaseQuery<T extends Comparable<T>>
interface	CacheStrategy<T,CacheType,QueryType extends Query<T>>
interface	Query<T>
interface	QueryMetrics<QueryType extends Query<?>> Abstraction wrapping ServiceMetricEvent.Builder and allowing to control what metrics are actually emitted, what dimensions do they have, etc.
interface	QueryRunner<T>
interface	QueryRunnerFactory<T,QueryType extends Query<T>> An interface that defines the nitty gritty implementation detauls of a Query on a Segment
class	QueryToolChest<ResultType,QueryType extends Query<ResultType>> The broker-side (also used by server in some cases) API for a specific Query type.

Uses of ExtensionPoint in io.druid.query.aggregation

Classes in io.druid.query.aggregation with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	Aggregator An Aggregator is an object that can aggregate metrics.
class	AggregatorFactory AggregatorFactory is a strategy (in the terms of Design Patterns) that represents column aggregation, e.
interface	BufferAggregator A BufferAggregator is an object that can aggregate metrics into a ByteBuffer.
interface	PostAggregator Functionally similar to an Aggregator.

Uses of ExtensionPoint in io.druid.query.extraction

Classes in io.druid.query.extraction with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	ExtractionFn

Uses of ExtensionPoint in io.druid.query.groupby

Classes in io.druid.query.groupby with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	GroupByQueryMetrics Specialization of QueryMetrics for GroupByQuery.

Uses of ExtensionPoint in io.druid.query.timeseries

Classes in io.druid.query.timeseries with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	TimeseriesQueryMetrics Specialization of QueryMetrics for TimeseriesQuery.

Uses of ExtensionPoint in io.druid.query.topn

Classes in io.druid.query.topn with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	TopNQueryMetrics Specialization of QueryMetrics for TopNQuery.

Uses of ExtensionPoint in io.druid.segment

Classes in io.druid.segment with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	GenericColumnSerializer

Uses of ExtensionPoint in io.druid.segment.data

Classes in io.druid.segment.data with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	ObjectStrategy<T>

Uses of ExtensionPoint in io.druid.segment.loading

Classes in io.druid.segment.loading with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	DataSegmentArchiver
interface	DataSegmentFinder A DataSegmentFinder is responsible for finding Druid segments underneath a specified directory and optionally updates all descriptor.json files on deep storage with correct loadSpec.
interface	DataSegmentKiller
interface	DataSegmentMover
interface	DataSegmentPuller A DataSegmentPuller is responsible for pulling data for a particular segment into a particular directory
interface	DataSegmentPusher
interface	LoadSpec A means of pulling segment files into a destination directory
interface	URIDataPuller A URIDataPuller has handlings for URI based data

Uses of ExtensionPoint in io.druid.segment.serde

Classes in io.druid.segment.serde with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	ComplexMetricExtractor
class	ComplexMetricSerde

Uses of ExtensionPoint in io.druid.server.initialization.jetty

Classes in io.druid.server.initialization.jetty with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	ServletFilterHolder A ServletFilterHolder is a class that holds all of the information required to attach a Filter to a Servlet.

Uses of ExtensionPoint in io.druid.tasklogs

Classes in io.druid.tasklogs with annotations of type ExtensionPoint

Modifier and Type	Interface and Description
interface	TaskLogKiller
interface	TaskLogPusher Something that knows how to persist local task logs to some form of long-term storage.
interface	TaskLogs
interface	TaskLogStreamer Something that knows how to stream logs for tasks.