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

Class AggregateTasks.Avg

java.lang.Object

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

All Implemented Interfaces:

OptionalTask<Iterable<Entity>,BigDecimal>, PersistTask<Iterable<Entity>,BigDecimal>, AggregateTasks.AggregateTask<BigDecimal>

Enclosing class:

AggregateTasks

public static class AggregateTasks.Avg
extends Object
implements OptionalTask<Iterable<Entity>,BigDecimal>, AggregateTasks.AggregateTask<BigDecimal>

Uses AggregateTasks.Sum and AggregateTasks.Count to compute the average.

Constructor Summary

Constructors

Constructor	Description
Avg(Path path)
Avg(String path)

Method Summary

Modifier and Type	Method	Description
BigDecimal	doRun(Iterable<Entity> input, CommandContext ctx)
PersistTask<EntityList,BigDecimal>	fromEntityList()
static PersistTask<EntityList,BigDecimal>	fromEntityList(Path path)
static PersistTask<EntityList,BigDecimal>	fromEntityList(String path)
static AggregateTasks.Avg	fromIterable(Path path)
static AggregateTasks.Avg	fromIterable(String path)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface ch.tocco.nice2.persist.core.api.exec.OptionalTask

run

Methods inherited from interface ch.tocco.nice2.persist.core.api.exec.PersistTask

andThenDo, compose, compose2, composeWhen, discardResult, expand, expand, getDescription, ifElse, logTime, orWhen, orWhenNot, passWhen, passWhenNot, skipErrors, unwrap

Constructor Details

Avg

public Avg(Path path)

Avg

public Avg(String path)

Method Details

fromEntityList

public static PersistTask<EntityList,BigDecimal> fromEntityList(String path)

fromIterable

public static AggregateTasks.Avg fromIterable(String path)

fromEntityList

public static PersistTask<EntityList,BigDecimal> fromEntityList(Path path)

fromIterable

public static AggregateTasks.Avg fromIterable(Path path)

doRun

public BigDecimal doRun(Iterable<Entity> input,
 CommandContext ctx)
                 throws Exception

Specified by:

doRun in interface OptionalTask<Iterable<Entity>,BigDecimal>

Throws:

Exception

fromEntityList

public PersistTask<EntityList,BigDecimal> fromEntityList()

Specified by:

fromEntityList in interface AggregateTasks.AggregateTask<BigDecimal>

toString

public String toString()

Overrides:

toString in class Object