Class AggregateTasks

java.lang.Object

ch.tocco.nice2.persist.core.api.exec.tasks2.AggregateTasks

@Deprecated
public final class AggregateTasks
extends Object

Deprecated.

use QueryBuilderFactory.aggregate(String, ch.tocco.nice2.persist.core.api.hibernate.query.builder.Aggregate[]), it calculates the aggregates with a single database query instead of loading every entity

Collection of the 3 standard aggregation functions: avg, count and sum. The tasks work with either EntityList or Iterable<Entity>.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	AggregateTasks.AggregateTask<N extends Number>	Deprecated.
static class	AggregateTasks.Avg	Deprecated. Uses AggregateTasks.Sum and AggregateTasks.Count to compute the average.
static class	AggregateTasks.Count	Deprecated. Returns the size of the given entity list.
static class	AggregateTasks.InvalidFunctionArguments	Deprecated.
static class	AggregateTasks.SimpleSum	Deprecated. Uses a given field name to obtain the value of that field of each entity in the list to compute the sum.
static class	AggregateTasks.Sum	Deprecated. Calculates the sum of the values returned when resolving the given path against each entity of the entity list.

Method Summary

Methods inherited from class Object

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