Package org.apache.druid.segment.realtime

Class FireDepartment

java.lang.Object

org.apache.druid.segment.indexing.IngestionSpec<RealtimeIOConfig,RealtimeTuningConfig>

org.apache.druid.segment.realtime.FireDepartment

public class FireDepartment
extends IngestionSpec<RealtimeIOConfig,RealtimeTuningConfig>

A Fire Department has a Firehose and a Plumber.

This is a metaphor for a realtime stream (Firehose) and a coordinator of sinks (Plumber). The Firehose provides the realtime stream of data. The Plumber directs each drop of water from the firehose into the correct sink and makes sure that the sinks don't overflow.

Constructor Summary

Constructors

Constructor	Description
FireDepartment(DataSchema dataSchema, RealtimeIOConfig ioConfig, RealtimeTuningConfig tuningConfig)

Method Summary

Modifier and Type	Method	Description
org.apache.druid.data.input.Firehose	connect()
DataSchema	getDataSchema()	Provides the data schema for the feed that this FireDepartment is in charge of.
RealtimeIOConfig	getIOConfig()
FireDepartmentMetrics	getMetrics()
RealtimeTuningConfig	getTuningConfig()

Methods inherited from class java.lang.Object

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

Constructor Detail

FireDepartment

public FireDepartment(DataSchema dataSchema,
                      RealtimeIOConfig ioConfig,
                      RealtimeTuningConfig tuningConfig)

Method Detail

getDataSchema

public DataSchema getDataSchema()

Provides the data schema for the feed that this FireDepartment is in charge of.

Overrides:

getDataSchema in class IngestionSpec<RealtimeIOConfig,RealtimeTuningConfig>

Returns:

the Schema for this feed.

getIOConfig

public RealtimeIOConfig getIOConfig()

Overrides:

getIOConfig in class IngestionSpec<RealtimeIOConfig,RealtimeTuningConfig>

getTuningConfig

public RealtimeTuningConfig getTuningConfig()

Overrides:

getTuningConfig in class IngestionSpec<RealtimeIOConfig,RealtimeTuningConfig>

connect

public org.apache.druid.data.input.Firehose connect()
                                             throws IOException

Throws:

IOException

getMetrics

public FireDepartmentMetrics getMetrics()