com.yahoo.bullet.query

Class Query

java.lang.Object

com.yahoo.bullet.query.Query

All Implemented Interfaces:

Configurable, Serializable

public class Query
extends Object
implements Configurable, Serializable

This class is the top level Bullet query specification. It holds the definition of the query.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Query(Projection projection, Expression filter, Aggregation aggregation, List<PostAggregation> postAggregations, Window window, Long duration) Constructor that creates the Bullet query.

Method Summary

Modifier and Type	Method and Description
void	configure(BulletConfig config) Takes a BulletConfig containing configuration and applies it to itself.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Query

public Query(Projection projection,
             Expression filter,
             Aggregation aggregation,
             List<PostAggregation> postAggregations,
             Window window,
             Long duration)

Constructor that creates the Bullet query.

Parameters:

projection - The non-null projection that decides which fields are selected from a Bullet record before aggregation.

filter - The filter expression records must pass before projection. Can be null.

aggregation - The non-null aggregation that takes projected records.

postAggregations - The list of post-aggregations that are executed on records before getting results. Can be null.

window - The non-null window that decides when and how results are returned.

duration - The duration of the query. Can be null.

Method Detail

configure

public void configure(BulletConfig config)

Description copied from interface: Configurable

Takes a BulletConfig containing configuration and applies it to itself.

Specified by:

configure in interface Configurable

Parameters:

config - The configuration containing the settings.

toString

public String toString()

Overrides:

toString in class Object