Package org.apache.pinot.broker.requesthandler

Class SingleConnectionBrokerRequestHandler

java.lang.Object

org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler

org.apache.pinot.broker.requesthandler.SingleConnectionBrokerRequestHandler

All Implemented Interfaces:

FailureDetector.Listener, BrokerRequestHandler

@ThreadSafe
public class SingleConnectionBrokerRequestHandler
extends BaseBrokerRequestHandler
implements FailureDetector.Listener

The SingleConnectionBrokerRequestHandler class is a thread-safe broker request handler using a single connection per server to route the queries.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler

BaseBrokerRequestHandler.ServerStats

Field Summary

Fields inherited from class org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler

_accessControlFactory, _brokerId, _brokerMetrics, _brokerTimeoutMs, _config, _queryOptimizer, _queryQuotaManager, _queryResponseLimit, _requestIdGenerator, _routingManager, _tableCache

Constructor Summary

Constructors

Constructor

Description

SingleConnectionBrokerRequestHandler(org.apache.pinot.spi.env.PinotConfiguration config, String brokerId, BrokerRoutingManager routingManager, AccessControlFactory accessControlFactory, QueryQuotaManager queryQuotaManager, org.apache.pinot.common.config.provider.TableCache tableCache, org.apache.pinot.common.metrics.BrokerMetrics brokerMetrics, org.apache.pinot.common.config.NettyConfig nettyConfig, org.apache.pinot.common.config.TlsConfig tlsConfig, ServerRoutingStatsManager serverRoutingStatsManager)

Method Summary

Modifier and Type	Method	Description
void	notifyHealthyServer(String instanceId, FailureDetector failureDetector)	Notifies the listener of a previous unhealthy server turning healthy.
void	notifyUnhealthyServer(String instanceId, FailureDetector failureDetector)	Notifies the listener of an unhealthy server.
protected org.apache.pinot.common.response.broker.BrokerResponseNative	processBrokerRequest(long requestId, org.apache.pinot.common.request.BrokerRequest originalBrokerRequest, org.apache.pinot.common.request.BrokerRequest serverBrokerRequest, org.apache.pinot.common.request.BrokerRequest offlineBrokerRequest, Map<ServerInstance,List<String>> offlineRoutingTable, org.apache.pinot.common.request.BrokerRequest realtimeBrokerRequest, Map<ServerInstance,List<String>> realtimeRoutingTable, long timeoutMs, BaseBrokerRequestHandler.ServerStats serverStats, org.apache.pinot.spi.trace.RequestContext requestContext)	Processes the optimized broker requests for both OFFLINE and REALTIME table.
void	retryUnhealthyServer(String instanceId, FailureDetector failureDetector)	Notifies the listener to retry a previous unhealthy server.
void	shutDown()
void	start()

Methods inherited from class org.apache.pinot.broker.requesthandler.BaseBrokerRequestHandler

augmentStatistics, cancelQuery, getRunningQueries, handleRequest

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pinot.broker.requesthandler.BrokerRequestHandler

handleRequest

Constructor Detail

SingleConnectionBrokerRequestHandler

public SingleConnectionBrokerRequestHandler(org.apache.pinot.spi.env.PinotConfiguration config,
                                            String brokerId,
                                            BrokerRoutingManager routingManager,
                                            AccessControlFactory accessControlFactory,
                                            QueryQuotaManager queryQuotaManager,
                                            org.apache.pinot.common.config.provider.TableCache tableCache,
                                            org.apache.pinot.common.metrics.BrokerMetrics brokerMetrics,
                                            org.apache.pinot.common.config.NettyConfig nettyConfig,
                                            org.apache.pinot.common.config.TlsConfig tlsConfig,
                                            ServerRoutingStatsManager serverRoutingStatsManager)

Method Detail

start

public void start()

Specified by:

start in interface BrokerRequestHandler

shutDown

public void shutDown()

Specified by:

shutDown in interface BrokerRequestHandler

processBrokerRequest

protected org.apache.pinot.common.response.broker.BrokerResponseNative processBrokerRequest(long requestId,
                                                                                            org.apache.pinot.common.request.BrokerRequest originalBrokerRequest,
                                                                                            org.apache.pinot.common.request.BrokerRequest serverBrokerRequest,
                                                                                            @Nullable
                                                                                            org.apache.pinot.common.request.BrokerRequest offlineBrokerRequest,
                                                                                            @Nullable
                                                                                            Map<ServerInstance,List<String>> offlineRoutingTable,
                                                                                            @Nullable
                                                                                            org.apache.pinot.common.request.BrokerRequest realtimeBrokerRequest,
                                                                                            @Nullable
                                                                                            Map<ServerInstance,List<String>> realtimeRoutingTable,
                                                                                            long timeoutMs,
                                                                                            BaseBrokerRequestHandler.ServerStats serverStats,
                                                                                            org.apache.pinot.spi.trace.RequestContext requestContext)
                                                                                     throws Exception

Description copied from class: BaseBrokerRequestHandler

Processes the optimized broker requests for both OFFLINE and REALTIME table. TODO: Directly take PinotQuery

Specified by:

processBrokerRequest in class BaseBrokerRequestHandler

Throws:

Exception

notifyUnhealthyServer

public void notifyUnhealthyServer(String instanceId,
                                  FailureDetector failureDetector)

Description copied from interface: FailureDetector.Listener

Notifies the listener of an unhealthy server.

Specified by:

notifyUnhealthyServer in interface FailureDetector.Listener

retryUnhealthyServer

public void retryUnhealthyServer(String instanceId,
                                 FailureDetector failureDetector)

Description copied from interface: FailureDetector.Listener

Notifies the listener to retry a previous unhealthy server.

Specified by:

retryUnhealthyServer in interface FailureDetector.Listener

notifyHealthyServer

public void notifyHealthyServer(String instanceId,
                                FailureDetector failureDetector)

Description copied from interface: FailureDetector.Listener

Notifies the listener of a previous unhealthy server turning healthy.

Specified by:

notifyHealthyServer in interface FailureDetector.Listener