Package org.apache.druid.sql.calcite.schema

Class SystemSchema

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.druid.sql.calcite.schema.SystemSchema

All Implemented Interfaces:

org.apache.calcite.schema.Schema

public class SystemSchema
extends org.apache.calcite.schema.impl.AbstractSchema

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.schema.impl.AbstractSchema.Factory

Nested classes/interfaces inherited from interface org.apache.calcite.schema.Schema

org.apache.calcite.schema.Schema.TableType

Constructor Summary

Constructors

Constructor

Description

SystemSchema(DruidSchema druidSchema, MetadataSegmentView metadataView, TimelineServerView serverView, FilteredServerInventoryView serverInventoryView, AuthorizerMapper authorizerMapper, CoordinatorClient coordinatorClient, OverlordClient overlordClient, DruidNodeDiscoveryProvider druidNodeDiscoveryProvider, com.fasterxml.jackson.databind.ObjectMapper jsonMapper, HttpClient httpClient, com.google.inject.Provider<SqlEngineRegistry> sqlEngineRegistryProvider, PlannerConfig plannerConfig)

Method Summary

Modifier and Type	Method	Description
static void	checkStateReadAccessForServers(AuthenticationResult authenticationResult, AuthorizerMapper authorizerMapper)	Checks if an authenticated user has the STATE READ permissions needed to view server information.
static Iterator<DiscoveryDruidNode>	getDruidServers(DruidNodeDiscoveryProvider druidNodeDiscoveryProvider)	Returns an iterator over all discoverable Druid nodes in the cluster.
Map<String,org.apache.calcite.schema.Table>	getTableMap()

Methods inherited from class org.apache.calcite.schema.impl.AbstractSchema

getExpression, getFunctionMultimap, getFunctionNames, getFunctions, getSubSchema, getSubSchemaMap, getSubSchemaNames, getTable, getTableNames, getType, getTypeMap, getTypeNames, isMutable, snapshot

Methods inherited from class java.lang.Object

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

Constructor Details

SystemSchema

@Inject
public SystemSchema(DruidSchema druidSchema,
 MetadataSegmentView metadataView,
 TimelineServerView serverView,
 FilteredServerInventoryView serverInventoryView,
 AuthorizerMapper authorizerMapper,
 CoordinatorClient coordinatorClient,
 OverlordClient overlordClient,
 DruidNodeDiscoveryProvider druidNodeDiscoveryProvider,
 com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
 HttpClient httpClient,
 com.google.inject.Provider<SqlEngineRegistry> sqlEngineRegistryProvider,
 PlannerConfig plannerConfig)

Method Details

getTableMap

public Map<String,org.apache.calcite.schema.Table> getTableMap()

Overrides:

getTableMap in class org.apache.calcite.schema.impl.AbstractSchema

checkStateReadAccessForServers

public static void checkStateReadAccessForServers(AuthenticationResult authenticationResult,
 AuthorizerMapper authorizerMapper)

Checks if an authenticated user has the STATE READ permissions needed to view server information.

getDruidServers

public static Iterator<DiscoveryDruidNode> getDruidServers(DruidNodeDiscoveryProvider druidNodeDiscoveryProvider)

Returns an iterator over all discoverable Druid nodes in the cluster.