Package io.helidon.config.spi

Class AbstractOverrideSource<S>

java.lang.Object

io.helidon.config.spi.AbstractSource<OverrideSource.OverrideData,S>

io.helidon.config.spi.AbstractOverrideSource<S>

Type Parameters:

S - a type of data stamp

All Implemented Interfaces:

Changeable<S>, OverrideSource, Source<S>, java.lang.AutoCloseable, java.util.function.Supplier<S>

public abstract class AbstractOverrideSource<S>
extends AbstractSource<OverrideSource.OverrideData,S>
implements OverrideSource

Base abstract implementation of OverrideSource, suitable for concrete implementations to extend.

See Also:

AbstractOverrideSource.Builder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractOverrideSource.Builder<B extends AbstractOverrideSource.Builder<B,T>,T>	A common OverrideSource builder ready to be extended by builder implementation related to OverrideSource extensions.

Nested classes/interfaces inherited from class io.helidon.config.spi.AbstractSource

AbstractSource.Data<D,S>

Nested classes/interfaces inherited from interface io.helidon.config.spi.OverrideSource

OverrideSource.OverrideData

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractOverrideSource(AbstractOverrideSource.Builder builder)	Initializes config source from builder.

Method Summary

Modifier and Type	Method	Description
Flow.Publisher<java.util.Optional<OverrideSource.OverrideData>>	changes()	Returns a Flow.Publisher to which the caller can subscribe in order to receive change notifications.

Methods inherited from class io.helidon.config.spi.AbstractSource

dataStamp, description, fireChangeEvent, isMandatory, load, loadData, processLoadedData, uid

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.helidon.config.spi.OverrideSource

get

Methods inherited from interface io.helidon.config.spi.Source

close, description, load

Constructor Detail

AbstractOverrideSource

protected AbstractOverrideSource(AbstractOverrideSource.Builder builder)

Initializes config source from builder.

Parameters:

builder - builder to be initialized from

Method Detail

changes

public final Flow.Publisher<java.util.Optional<OverrideSource.OverrideData>> changes()

Description copied from interface: Changeable

Returns a Flow.Publisher to which the caller can subscribe in order to receive change notifications.

Method Flow.Subscriber.onError(Throwable) is called in case of error listening on config source data. Method Flow.Subscriber.onComplete() is never called.

Specified by:

changes in interface Changeable<S>

Specified by:

changes in interface Source<S>

Returns:

a publisher of events. Never returns null