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

Class ExpandedTask<A,B>

java.lang.Object

ch.tocco.nice2.persist.core.api.exec.ExpandedTask<A,B>

All Implemented Interfaces:

PersistTask<Iterable<A>,Iterable<B>>, PersistTaskIterable<Iterable<A>,B>

public final class ExpandedTask<A,B>
extends Object
implements PersistTaskIterable<Iterable<A>,B>

Takes multiple inputs and runs its inner task with each. The results are collected in a list. Nulls are by default ignored, but can be included via withNulls()

Constructor Summary

Constructors

Constructor	Description
ExpandedTask(PersistTask<A,B> task)
ExpandedTask(PersistTask<A,B> task, @Nullable CollectMode collectMode)

Method Summary

Modifier and Type	Method	Description
@Nullable Iterable<B>	run(Optional<Iterable<A>> a, CommandContext commandContext)
String	toString()
List<PersistTask>	unwrap()	If this task is composed of inner tasks, you must give access to the inner tasks by overriding this method.
PersistTaskIterable<Iterable<A>,Optional<B>>	withNulls()

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.PersistTask

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

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

filter, find, flatMap, forEach, get, get, get, getOnlyElement, getOnlyElement, getOnlyElement, map

Constructor Details

ExpandedTask

public ExpandedTask(PersistTask<A,B> task,
 @Nullable
 @Nullable CollectMode collectMode)

ExpandedTask

public ExpandedTask(PersistTask<A,B> task)

Method Details

run

@Nullable
public @Nullable Iterable<B> run(Optional<Iterable<A>> a,
 CommandContext commandContext)
                          throws Exception

Specified by:

run in interface PersistTask<A,B>

Throws:

Exception

unwrap

public List<PersistTask> unwrap()

Description copied from interface: PersistTask

If this task is composed of inner tasks, you must give access to the inner tasks by overriding this method.

Specified by:

unwrap in interface PersistTask<A,B>

Returns:

all inner tasks.

withNulls

public PersistTaskIterable<Iterable<A>,Optional<B>> withNulls()

toString

public String toString()

Overrides:

toString in class Object