Package io.trino.dispatcher

Class DispatchManager

java.lang.Object

io.trino.dispatcher.DispatchManager

public class DispatchManager
extends Object

Constructor Summary

Constructors

Constructor

Description

DispatchManager(QueryIdGenerator queryIdGenerator, QueryPreparer queryPreparer, ResourceGroupManager<?> resourceGroupManager, DispatchQueryFactory dispatchQueryFactory, FailedDispatchQueryFactory failedDispatchQueryFactory, AccessControl accessControl, SessionSupplier sessionSupplier, SessionPropertyDefaults sessionPropertyDefaults, SessionPropertyManager sessionPropertyManager, io.opentelemetry.api.trace.Tracer tracer, QueryManagerConfig queryManagerConfig, DispatchExecutor dispatchExecutor, QueryMonitor queryMonitor)

Method Summary

Modifier and Type	Method	Description
void	cancelQuery(QueryId queryId)
com.google.common.util.concurrent.ListenableFuture<Void>	createQuery(QueryId queryId, io.opentelemetry.api.trace.Span querySpan, Slug slug, SessionContext sessionContext, String query)
QueryId	createQueryId()
void	failQuery(QueryId queryId, Throwable cause)
Optional<DispatchInfo>	getDispatchInfo(QueryId queryId)
Optional<QueryInfo>	getFullQueryInfo(QueryId queryId)
long	getProgressingQueries()
List<BasicQueryInfo>	getQueries()
DispatchQuery	getQuery(QueryId queryId)
BasicQueryInfo	getQueryInfo(QueryId queryId)
long	getQueuedQueries()
long	getRunningQueries()
QueryManagerStats	getStats()
boolean	isQueryRegistered(QueryId queryId)
void	start()
void	stop()
com.google.common.util.concurrent.ListenableFuture<Void>	waitForDispatched(QueryId queryId)

Methods inherited from class java.lang.Object

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

Constructor Details

DispatchManager

@Inject
public DispatchManager(QueryIdGenerator queryIdGenerator,
 QueryPreparer queryPreparer,
 ResourceGroupManager<?> resourceGroupManager,
 DispatchQueryFactory dispatchQueryFactory,
 FailedDispatchQueryFactory failedDispatchQueryFactory,
 AccessControl accessControl,
 SessionSupplier sessionSupplier,
 SessionPropertyDefaults sessionPropertyDefaults,
 SessionPropertyManager sessionPropertyManager,
 io.opentelemetry.api.trace.Tracer tracer,
 QueryManagerConfig queryManagerConfig,
 DispatchExecutor dispatchExecutor,
 QueryMonitor queryMonitor)

Method Details

start

@PostConstruct
public void start()

stop

@PreDestroy
public void stop()

getStats

public QueryManagerStats getStats()

createQueryId

public QueryId createQueryId()

createQuery

public com.google.common.util.concurrent.ListenableFuture<Void> createQuery(QueryId queryId,
 io.opentelemetry.api.trace.Span querySpan,
 Slug slug,
 SessionContext sessionContext,
 String query)

waitForDispatched

public com.google.common.util.concurrent.ListenableFuture<Void> waitForDispatched(QueryId queryId)

getQueries

public List<BasicQueryInfo> getQueries()

getQueuedQueries

public long getQueuedQueries()

getRunningQueries

public long getRunningQueries()

getProgressingQueries

public long getProgressingQueries()

isQueryRegistered

public boolean isQueryRegistered(QueryId queryId)

getQuery

public DispatchQuery getQuery(QueryId queryId)

getQueryInfo

public BasicQueryInfo getQueryInfo(QueryId queryId)

getFullQueryInfo

public Optional<QueryInfo> getFullQueryInfo(QueryId queryId)

getDispatchInfo

public Optional<DispatchInfo> getDispatchInfo(QueryId queryId)

cancelQuery

public void cancelQuery(QueryId queryId)

failQuery

public void failQuery(QueryId queryId,
 Throwable cause)