org.apache.unomi.api.query

Class AggregateQuery

java.lang.Object

org.apache.unomi.api.query.AggregateQuery

All Implemented Interfaces:

Serializable

public class AggregateQuery
extends Object
implements Serializable

A query by aggregate: results matching the specified Condition are aggregated using a given Aggregate specification, creating buckets which cardinality is calculated. The results of the query are returned as Map associating the bucket key to the cardinality of its member.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
AggregateQuery() Instantiates a new Aggregate query.
AggregateQuery(Aggregate aggregate) Instantiates a new Aggregate query with the specified Aggregate.
AggregateQuery(Aggregate aggregate, Condition condition) Instantiates a new Aggregate query with the specified Aggregate and Condition
AggregateQuery(Condition condition) Instantiates a new Aggregate query with the specified Condition.

Method Summary

Modifier and Type	Method and Description
Aggregate	getAggregate() Retrieves the aggregate.
Condition	getCondition() Retrieves the condition.
void	setAggregate(Aggregate aggregate) Sets the aggregate.
void	setCondition(Condition condition) Sets the condition.

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregateQuery

public AggregateQuery()

Instantiates a new Aggregate query.

AggregateQuery

public AggregateQuery(Aggregate aggregate)

Instantiates a new Aggregate query with the specified Aggregate.

Parameters:

aggregate - the aggregate

AggregateQuery

public AggregateQuery(Condition condition)

Instantiates a new Aggregate query with the specified Condition.

Parameters:

condition - the condition

AggregateQuery

public AggregateQuery(Aggregate aggregate,
                      Condition condition)

Instantiates a new Aggregate query with the specified Aggregate and Condition

Parameters:

aggregate - the aggregate

condition - the condition

Method Detail

getAggregate

public Aggregate getAggregate()

Retrieves the aggregate.

Returns:

the aggregate

setAggregate

public void setAggregate(Aggregate aggregate)

Sets the aggregate.

Parameters:

aggregate - the aggregate

getCondition

public Condition getCondition()

Retrieves the condition.

Returns:

the condition

setCondition

public void setCondition(Condition condition)

Sets the condition.

Parameters:

condition - the condition