/**
* Copyright (c) 2016-present, RxJava Contributors.
*
* 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 io.reactivex.internal.operators.observable;
import io.reactivex.*;
import io.reactivex.internal.fuseable.
ScalarCallable;
import io.reactivex.internal.operators.observable.
ObservableScalarXMap.
ScalarDisposable;
/**
* Represents a constant scalar value.
* @param <T> the value type
*/
public final class
ObservableJust<T> extends
Observable<T> implements
ScalarCallable<T> {
private final T
value;
public
ObservableJust(final T
value) {
this.
value =
value;
}
@
Override
protected void
subscribeActual(
Observer<? super T>
observer) {
ScalarDisposable<T>
sd = new
ScalarDisposable<T>(
observer,
value);
observer.
onSubscribe(
sd);
sd.
run();
}
@
Override
public T
call() {
return
value;
}
}