Package org.apache.druid.query

Class DefaultGenericQueryMetricsFactory

java.lang.Object

org.apache.druid.query.DefaultGenericQueryMetricsFactory

All Implemented Interfaces:

GenericQueryMetricsFactory

public class DefaultGenericQueryMetricsFactory
extends Object
implements GenericQueryMetricsFactory

Constructor Summary

Constructors

Constructor	Description
DefaultGenericQueryMetricsFactory()

Method Summary

Modifier and Type	Method	Description
static GenericQueryMetricsFactory	instance()	Should be used only in tests, directly or indirectly (e.
QueryMetrics<Query<?>>	makeMetrics()	Creates a QueryMetrics which doesn't have predefined QueryMetrics subclass.
QueryMetrics<Query<?>>	makeMetrics(Query<?> query)	Creates a QueryMetrics for query, which doesn't have predefined QueryMetrics subclass.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultGenericQueryMetricsFactory

public DefaultGenericQueryMetricsFactory()

Method Details

instance

public static GenericQueryMetricsFactory instance()

Should be used only in tests, directly or indirectly (e. g. in SearchQueryQueryToolChest(org.apache.druid.query.search.SearchQueryConfig, org.apache.druid.query.search.SearchQueryMetricsFactory)).

makeMetrics

public QueryMetrics<Query<?>> makeMetrics(Query<?> query)

Description copied from interface: GenericQueryMetricsFactory

Creates a QueryMetrics for query, which doesn't have predefined QueryMetrics subclass. This method must call QueryMetrics.query(Query) with the given query on the created QueryMetrics object before returning.

Specified by:

makeMetrics in interface GenericQueryMetricsFactory

makeMetrics

public QueryMetrics<Query<?>> makeMetrics()

Description copied from interface: GenericQueryMetricsFactory

Creates a QueryMetrics which doesn't have predefined QueryMetrics subclass. This method is used by the router to build a QueryMetrics for SQL queries. It is needed since at router, there is no native query linked to a SQL query.

Specified by:

makeMetrics in interface GenericQueryMetricsFactory