Package org.apache.druid.server.lookup.cache

Class LookupCoordinatorManager

java.lang.Object

org.apache.druid.server.lookup.cache.LookupCoordinatorManager

public class LookupCoordinatorManager
extends Object

Managers LookupExtractorFactoryContainer specifications, distributing them to LookupReferencesManager around the cluster by monitoring the lookup announce path for servers and utilizing their LookupListeningResource API to load, drop, and update lookups around the cluster.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LookupCoordinatorManager.LookupsCommunicator

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LOOKUP_CONFIG_KEY
static final String	LOOKUP_LISTEN_ANNOUNCE_KEY
static final String	OLD_LOOKUP_CONFIG_KEY

Constructor Summary

Constructors

Constructor	Description
LookupCoordinatorManager(HttpClient httpClient, DruidNodeDiscoveryProvider druidNodeDiscoveryProvider, com.fasterxml.jackson.databind.ObjectMapper smileMapper, JacksonConfigManager configManager, LookupCoordinatorManagerConfig lookupCoordinatorManagerConfig)

Method Summary

Modifier and Type	Method	Description
boolean	deleteLookup(String tier, String lookup, AuditInfo auditInfo)
boolean	deleteTier(String tier, AuditInfo auditInfo)
Collection<com.google.common.net.HostAndPort>	discoverNodesInTier(String tier)
Set<String>	discoverTiers()
Map<String,Map<String,LookupExtractorFactoryMapContainer>>	getKnownLookups()
Map<com.google.common.net.HostAndPort,LookupsState<LookupExtractorFactoryMapContainer>>	getLastKnownLookupsStateOnNodes()
LookupExtractorFactoryMapContainer	getLookup(String tier, String lookupName)	Try to find a lookupName spec for the specified lookupName.
boolean	isStarted()
void	start()
void	stop()
boolean	updateLookup(String tier, String lookupName, LookupExtractorFactoryMapContainer spec, AuditInfo auditInfo)
boolean	updateLookups(Map<String,Map<String,LookupExtractorFactoryMapContainer>> updateSpec, AuditInfo auditInfo)

Methods inherited from class java.lang.Object

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

Field Details

OLD_LOOKUP_CONFIG_KEY

public static final String OLD_LOOKUP_CONFIG_KEY

See Also:

• Constant Field Values

LOOKUP_CONFIG_KEY

public static final String LOOKUP_CONFIG_KEY

See Also:

• Constant Field Values

LOOKUP_LISTEN_ANNOUNCE_KEY

public static final String LOOKUP_LISTEN_ANNOUNCE_KEY

See Also:

• Constant Field Values

Constructor Details

LookupCoordinatorManager

@Inject
public LookupCoordinatorManager(HttpClient httpClient,
 DruidNodeDiscoveryProvider druidNodeDiscoveryProvider,
 com.fasterxml.jackson.databind.ObjectMapper smileMapper,
 JacksonConfigManager configManager,
 LookupCoordinatorManagerConfig lookupCoordinatorManagerConfig)

Method Details

updateLookup

public boolean updateLookup(String tier,
 String lookupName,
 LookupExtractorFactoryMapContainer spec,
 AuditInfo auditInfo)

updateLookups

public boolean updateLookups(Map<String,Map<String,LookupExtractorFactoryMapContainer>> updateSpec,
 AuditInfo auditInfo)

getKnownLookups

public Map<String,Map<String,LookupExtractorFactoryMapContainer>> getKnownLookups()

deleteTier

public boolean deleteTier(String tier,
 AuditInfo auditInfo)

deleteLookup

public boolean deleteLookup(String tier,
 String lookup,
 AuditInfo auditInfo)

discoverTiers

public Set<String> discoverTiers()

discoverNodesInTier

public Collection<com.google.common.net.HostAndPort> discoverNodesInTier(String tier)

getLastKnownLookupsStateOnNodes

public Map<com.google.common.net.HostAndPort,LookupsState<LookupExtractorFactoryMapContainer>> getLastKnownLookupsStateOnNodes()

getLookup

@Nullable
public LookupExtractorFactoryMapContainer getLookup(String tier,
 String lookupName)

Try to find a lookupName spec for the specified lookupName.

Parameters:

lookupName - The lookupName to look for

Returns:

The lookupName spec if found or null if not found or if no lookups at all are found

isStarted

public boolean isStarted()

start

public void start()

stop

public void stop()