/**
 * Copyright 2013 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.operators;

import rx.Observer;
import rx.Scheduler;
import rx.util.functions.Action0;

/* package */class ScheduledObserver<T> implements Observer<T> {
    private final Observer<T> underlying;
    private final Scheduler scheduler;

    public ScheduledObserver(Observer<T> underlying, Scheduler scheduler) {
        this.underlying = underlying;
        this.scheduler = scheduler;
    }

    @Override
    public void onCompleted() {
        scheduler.schedule(new Action0() {
            @Override
            public void call() {
                underlying.onCompleted();
            }
        });
    }

    @Override
    public void onError(final Exception e) {
        scheduler.schedule(new Action0() {
            @Override
            public void call() {
                underlying.onError(e);
            }
        });
    }

    @Override
    public void onNext(final T args) {
        scheduler.schedule(new Action0() {
            @Override
            public void call() {
                underlying.onNext(args);
            }
        });
    }
}