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, TransactionManager transactionManager, AccessControl accessControl, SessionSupplier sessionSupplier, SessionPropertyDefaults sessionPropertyDefaults, QueryManagerConfig queryManagerConfig, DispatchExecutor dispatchExecutor)

Method Summary

Modifier and Type	Method	Description
void	cancelQuery(QueryId queryId)
com.google.common.util.concurrent.ListenableFuture<?>	createQuery(QueryId queryId, Slug slug, SessionContext sessionContext, String query)
QueryId	createQueryId()
void	failQuery(QueryId queryId, Throwable cause)
Optional<DispatchInfo>	getDispatchInfo(QueryId queryId)
Optional<QueryInfo>	getFullQueryInfo(QueryId queryId)
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<?>	waitForDispatched(QueryId queryId)

Methods inherited from class java.lang.Object

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

Constructor Detail

DispatchManager

@Inject
public DispatchManager(QueryIdGenerator queryIdGenerator,
                       QueryPreparer queryPreparer,
                       ResourceGroupManager<?> resourceGroupManager,
                       DispatchQueryFactory dispatchQueryFactory,
                       FailedDispatchQueryFactory failedDispatchQueryFactory,
                       TransactionManager transactionManager,
                       AccessControl accessControl,
                       SessionSupplier sessionSupplier,
                       SessionPropertyDefaults sessionPropertyDefaults,
                       QueryManagerConfig queryManagerConfig,
                       DispatchExecutor dispatchExecutor)

Method Detail

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<?> createQuery(QueryId queryId,
                                                                         Slug slug,
                                                                         SessionContext sessionContext,
                                                                         String query)

waitForDispatched

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

getQueries

public List<BasicQueryInfo> getQueries()

getQueuedQueries

public long getQueuedQueries()

getRunningQueries

public long getRunningQueries()

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)