net.lecousin.framework.collections

Class AsyncCollection.Keep<T>

java.lang.Object

net.lecousin.framework.collections.AsyncCollection.Keep<T>

Type Parameters:

T - type of elements

All Implemented Interfaces:

AsyncCollection<T>

Enclosing interface:

AsyncCollection<T>

public static class AsyncCollection.Keep<T>
extends Object
implements AsyncCollection<T>

Implementation that keeps the elements in a list.

Nested Class Summary

Nested classes/interfaces inherited from interface net.lecousin.framework.collections.AsyncCollection

AsyncCollection.Aggregator<T>, AsyncCollection.Keep<T>, AsyncCollection.Listen<T>, AsyncCollection.OneByOne<T>

Constructor Summary

Constructors

Constructor and Description
Keep()

Method Summary

Modifier and Type	Method and Description
void	done() Called when no more elements will come, and no error was encountered.
void	error(Exception error) Called if an error occured before all elements have been retrieved.
List<T>	getCurrentElements() Return the list containing the elements kept so far.
boolean	hasError() Return true if the method error has been called.
boolean	isDone() Return true if the method done has been called already.
void	newElements(Collection<T> elements) Called when new elements are ready.
void	ondone(Runnable listener) Add a listener to be called when the done method is called.
void	onerror(Consumer<Exception> listener) Add a listener to be called when the error method is called.
void	provideTo(AsyncCollection<T> col) Send the elements of this collection to the given collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

Keep

public Keep()

Method Detail

newElements

public void newElements(Collection<T> elements)

Description copied from interface: AsyncCollection

Called when new elements are ready.

Specified by:

newElements in interface AsyncCollection<T>

done

public void done()

Description copied from interface: AsyncCollection

Called when no more elements will come, and no error was encountered.

Specified by:

done in interface AsyncCollection<T>

isDone

public boolean isDone()

Description copied from interface: AsyncCollection

Return true if the method done has been called already.

Specified by:

isDone in interface AsyncCollection<T>

ondone

public void ondone(Runnable listener)

Add a listener to be called when the done method is called. If the done method has been already called, the listener is immediately called.

error

public void error(Exception error)

Description copied from interface: AsyncCollection

Called if an error occured before all elements have been retrieved.

Specified by:

error in interface AsyncCollection<T>

hasError

public boolean hasError()

Description copied from interface: AsyncCollection

Return true if the method error has been called.

Specified by:

hasError in interface AsyncCollection<T>

onerror

public void onerror(Consumer<Exception> listener)

Add a listener to be called when the error method is called. If the error method has been already called, the listener is immediately called.

provideTo

public void provideTo(AsyncCollection<T> col)

Send the elements of this collection to the given collection. All elements already present in this collection are immediately given by calling the method newElements. If the method done has been called already on this collection, the method done is also called on the given collection.

getCurrentElements

public List<T> getCurrentElements()

Return the list containing the elements kept so far.