io.siddhi.core.query

Class QueryRuntimeImpl

java.lang.Object

io.siddhi.core.query.QueryRuntimeImpl

All Implemented Interfaces:

QueryRuntime, ExternalReferencedHolder, MemoryCalculable

public class QueryRuntimeImpl
extends Object
implements QueryRuntime, MemoryCalculable, ExternalReferencedHolder

Query Runtime represent holder object for a single Siddhi query and holds all runtime objects related to that query.

Constructor Summary

Constructors

Constructor and Description
QueryRuntimeImpl(io.siddhi.query.api.execution.query.Query query, StreamRuntime streamRuntime, QuerySelector selector, OutputRateLimiter outputRateLimiter, OutputCallback outputCallback, MetaComplexEvent metaComplexEvent, SiddhiQueryContext siddhiQueryContext)

Method Summary

Modifier and Type	Method and Description
void	addCallback(QueryCallback callback)
List<String>	getInputStreamId()
MetaComplexEvent	getMetaComplexEvent()
OutputCallback	getOutputCallback()
OutputRateLimiter	getOutputRateManager()
io.siddhi.query.api.definition.StreamDefinition	getOutputStreamDefinition()
io.siddhi.query.api.execution.query.Query	getQuery()
String	getQueryId()
QuerySelector	getSelector()
SiddhiQueryContext	getSiddhiQueryContext()
StreamRuntime	getStreamRuntime()
void	init()
void	initPartition()
boolean	isFromLocalStream()
boolean	isStateful()
boolean	isToLocalStream()
void	removeCallback(QueryCallback callback)
void	setToLocalStream(boolean toLocalStream)
void	start() This will be called only once and this can be used to acquire required resources for the processing element.
void	stop() This will be called only once and this can be used to release the acquired resources for processing.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryRuntimeImpl

public QueryRuntimeImpl(io.siddhi.query.api.execution.query.Query query,
                        StreamRuntime streamRuntime,
                        QuerySelector selector,
                        OutputRateLimiter outputRateLimiter,
                        OutputCallback outputCallback,
                        MetaComplexEvent metaComplexEvent,
                        SiddhiQueryContext siddhiQueryContext)

Method Detail

getQueryId

public String getQueryId()

Specified by:

getQueryId in interface QueryRuntime

addCallback

public void addCallback(QueryCallback callback)

removeCallback

public void removeCallback(QueryCallback callback)

getOutputRateManager

public OutputRateLimiter getOutputRateManager()

getOutputStreamDefinition

public io.siddhi.query.api.definition.StreamDefinition getOutputStreamDefinition()

getInputStreamId

public List<String> getInputStreamId()

isToLocalStream

public boolean isToLocalStream()

setToLocalStream

public void setToLocalStream(boolean toLocalStream)

isStateful

public boolean isStateful()

Specified by:

isStateful in interface QueryRuntime

isFromLocalStream

public boolean isFromLocalStream()

getSiddhiQueryContext

public SiddhiQueryContext getSiddhiQueryContext()

getStreamRuntime

public StreamRuntime getStreamRuntime()

getMetaComplexEvent

public MetaComplexEvent getMetaComplexEvent()

getQuery

public io.siddhi.query.api.execution.query.Query getQuery()

Specified by:

getQuery in interface QueryRuntime

getOutputCallback

public OutputCallback getOutputCallback()

init

public void init()

getSelector

public QuerySelector getSelector()

initPartition

public void initPartition()

start

public void start()

Description copied from interface: ExternalReferencedHolder

This will be called only once and this can be used to acquire required resources for the processing element. This will be called after initializing the system and before starting to process the events.

Specified by:

start in interface ExternalReferencedHolder

stop

public void stop()

Description copied from interface: ExternalReferencedHolder

This will be called only once and this can be used to release the acquired resources for processing. This will be called before shutting down the system.

Specified by:

stop in interface ExternalReferencedHolder