/**
* Copyright 2014 Netflix, Inc.
*
* 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 rx.internal.operators;
import rx.*;
import rx.
Observable.
Operator;
import rx.schedulers.
Timestamped;
/**
* Wraps each item emitted by a source {@code Observable} in a {@link Timestamped} object.
* <p>
* <img width="640" height="310" src="https://raw.githubusercontent.com/wiki/ReactiveX/RxJava/images/rx-operators/timestamp.png" alt="">
* @param <T> the value type
*/
public final class
OperatorTimestamp<T> implements
Operator<
Timestamped<T>, T> {
final
Scheduler scheduler;
public
OperatorTimestamp(
Scheduler scheduler) {
this.
scheduler =
scheduler;
}
/**
* @return a sequence of timestamped values created by adding timestamps to each item in the input sequence.
*/
@
Override
public
Subscriber<? super T>
call(final
Subscriber<? super
Timestamped<T>>
o) {
return new
Subscriber<T>(
o) {
@
Override
public void
onCompleted() {
o.
onCompleted();
}
@
Override
public void
onError(
Throwable e) {
o.
onError(
e);
}
@
Override
public void
onNext(T
t) {
o.
onNext(new
Timestamped<T>(
scheduler.
now(),
t));
}
};
}
}