/*
* Copyright (c) 2011-2017 Pivotal Software Inc, All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package reactor.core.publisher;
import org.reactivestreams.
Subscription;
import reactor.core.
CoreSubscriber;
import reactor.core.
Fuseable;
import reactor.util.annotation.
Nullable;
/**
* Hides the identities of the upstream Publisher object and its Subscription
* as well.
*
* @param <T> the value type
* @see <a href="https://github.com/reactor/reactive-streams-commons">Reactive-Streams-Commons</a>
*/
final class
FluxHide<T> extends
FluxOperator<T, T> {
FluxHide(
Flux<? extends T>
source) {
super(
source);
}
@
Override
public void
subscribe(
CoreSubscriber<? super T>
actual) {
source.
subscribe(new
HideSubscriber<>(
actual));
}
static final class
HideSubscriber<T> implements
InnerOperator<T, T> {
final
CoreSubscriber<? super T>
actual;
Subscription s;
HideSubscriber(
CoreSubscriber<? super T>
actual) {
this.
actual =
actual;
}
@
Override
public
CoreSubscriber<? super T>
actual() {
return
actual;
}
@
Override
public void
request(long
n) {
s.
request(
n);
}
@
Override
public void
cancel() {
s.
cancel();
}
@
Override
public void
onSubscribe(
Subscription s) {
this.
s =
s;
actual.
onSubscribe(this);
}
@
Override
public void
onNext(T
t) {
actual.
onNext(
t);
}
@
Override
public void
onError(
Throwable t) {
actual.
onError(
t);
}
@
Override
public void
onComplete() {
actual.
onComplete();
}
@
Override
@
Nullable
public
Object scanUnsafe(
Attr key) {
if (
key ==
Attr.
PARENT) return
s;
return
InnerOperator.super.scanUnsafe(
key);
}
}
static final class
SuppressFuseableSubscriber<T>
implements
InnerOperator<T, T>,
Fuseable.
QueueSubscription<T> {
final
CoreSubscriber<? super T>
actual;
Subscription s;
SuppressFuseableSubscriber(
CoreSubscriber<? super T>
actual) {
this.
actual =
actual;
}
@
Override
public void
onSubscribe(
Subscription s) {
if (
Operators.
validate(this.
s,
s)) {
this.
s =
s;
actual.
onSubscribe(this);
}
}
@
Override
@
Nullable
public
Object scanUnsafe(
Attr key) {
if (
key ==
Attr.
PARENT) return
s;
return
InnerOperator.super.scanUnsafe(
key);
}
@
Override
public void
onNext(T
t) {
actual.
onNext(
t);
}
@
Override
public void
onError(
Throwable t) {
actual.
onError(
t);
}
@
Override
public void
onComplete() {
actual.
onComplete();
}
@
Override
public void
request(long
n) {
s.
request(
n);
}
@
Override
public void
cancel() {
s.
cancel();
}
@
Override
public int
requestFusion(int
requestedMode) {
return
Fuseable.
NONE;
}
@
Override
@
Nullable
public T
poll() {
return null;
}
@
Override
public boolean
isEmpty() {
return false;
}
@
Override
public void
clear() {
}
@
Override
public int
size() {
return 0;
}
@
Override
public
CoreSubscriber<? super T>
actual() {
return
actual;
}
}
}