com.yahoo.bard.webservice.druid.model.query

Class AbstractDruidAggregationQuery<Q extends AbstractDruidAggregationQuery<? super Q>>

java.lang.Object

com.yahoo.bard.webservice.druid.model.query.AbstractDruidQuery<Q>

com.yahoo.bard.webservice.druid.model.query.AbstractDruidFactQuery<Q>

com.yahoo.bard.webservice.druid.model.query.AbstractDruidAggregationQuery<Q>

Type Parameters:

Q - Type of AbstractDruidAggregationQuery this one extends. This allows the queries to nest their own type.

All Implemented Interfaces:

DruidAggregationQuery<Q>, DruidFactQuery<Q>, DruidQuery<Q>

Direct Known Subclasses:

GroupByQuery, LookbackQuery, SqlAggregationQuery, TimeSeriesQuery, TopNQuery

public abstract class AbstractDruidAggregationQuery<Q extends AbstractDruidAggregationQuery<? super Q>>
extends AbstractDruidFactQuery<Q>
implements DruidAggregationQuery<Q>

Base class for druid aggregation queries.

Field Summary

Fields

Modifier and Type	Field and Description
protected Collection<Aggregation>	aggregations
protected Collection<Dimension>	dimensions
protected Collection<PostAggregation>	postAggregations

Fields inherited from class com.yahoo.bard.webservice.druid.model.query.AbstractDruidFactQuery

filter, granularity, intervals

Fields inherited from class com.yahoo.bard.webservice.druid.model.query.AbstractDruidQuery

context, dataSource, queryType

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractDruidAggregationQuery(QueryType queryType, DataSource dataSource, Granularity granularity, Collection<Dimension> dimensions, Filter filter, Collection<Aggregation> aggregations, Collection<PostAggregation> postAggregations, Collection<org.joda.time.Interval> intervals, QueryContext context, boolean doFork) Constructor.

Method Summary

Modifier and Type	Method and Description
Set<Aggregation>	getAggregations() Returns the aggregations of the query.
Collection<Dimension>	getDimensions() Returns the dimensions of the query if any.
Collection<PostAggregation>	getPostAggregations() Returns the post-aggregations of the query.

Methods inherited from class com.yahoo.bard.webservice.druid.model.query.AbstractDruidFactQuery

getFilter, getGranularity, getIntervals

Methods inherited from class com.yahoo.bard.webservice.druid.model.query.AbstractDruidQuery

getContext, getDataSource, getQueryType

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.bard.webservice.druid.model.query.DruidAggregationQuery

buildSchemaColumns, getDependentFieldNames, getInnermostQuery, getInnerQuery, getMetricDimensions, withAggregations, withPostAggregations

Methods inherited from interface com.yahoo.bard.webservice.druid.model.query.DruidFactQuery

getFilter, getGranularity, getIntervals, withAllIntervals, withFilter, withGranularity, withIntervals

Methods inherited from interface com.yahoo.bard.webservice.druid.model.query.DruidQuery

getContext, getDataSource, getQueryType, withContext, withDataSource, withInnermostDataSource

Field Detail

dimensions

protected final Collection<Dimension> dimensions

aggregations

protected final Collection<Aggregation> aggregations

postAggregations

protected final Collection<PostAggregation> postAggregations

Constructor Detail

AbstractDruidAggregationQuery

protected AbstractDruidAggregationQuery(QueryType queryType,
                                        DataSource dataSource,
                                        Granularity granularity,
                                        Collection<Dimension> dimensions,
                                        Filter filter,
                                        Collection<Aggregation> aggregations,
                                        Collection<PostAggregation> postAggregations,
                                        Collection<org.joda.time.Interval> intervals,
                                        QueryContext context,
                                        boolean doFork)

Constructor.

Parameters:

queryType - The type of this query

dataSource - The datasource

granularity - The granularity

dimensions - The dimensions

filter - The filter

aggregations - The aggregations

postAggregations - The post-aggregations

intervals - The intervals

context - The context

doFork - true to fork a new context and bump up the query id, or false to create an exact copy of the context.

Method Detail

getDimensions

public Collection<Dimension> getDimensions()

Description copied from interface: DruidAggregationQuery

Returns the dimensions of the query if any.

Specified by:

getDimensions in interface DruidAggregationQuery<Q extends AbstractDruidAggregationQuery<? super Q>>

Returns:

the query dimensions

getAggregations

public Set<Aggregation> getAggregations()

Description copied from interface: DruidAggregationQuery

Returns the aggregations of the query.

Specified by:

getAggregations in interface DruidAggregationQuery<Q extends AbstractDruidAggregationQuery<? super Q>>

Returns:

the query aggregations

getPostAggregations

public Collection<PostAggregation> getPostAggregations()

Description copied from interface: DruidAggregationQuery

Returns the post-aggregations of the query.

Specified by:

getPostAggregations in interface DruidAggregationQuery<Q extends AbstractDruidAggregationQuery<? super Q>>

Returns:

the query post-aggregations