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rxjava-core developed by Netflix

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/**
 * 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.Observable.OnSubscribe;
import rx.Subscriber;

/**
 * Converts an {@code Iterable} sequence into an {@code Observable}.
 * 
 * 
 * 
 * You can convert any object that supports the Iterable interface into an Observable that emits each item in
 * the object, with the {@code toObservable} operation.
 */
public final class OnSubscribeFromIterable implements OnSubscribe {

    final Iterable is;

    public OnSubscribeFromIterable(Iterable iterable) {
        this.is = iterable;
    }

    @Override
    public void call(Subscriber o) {
        for (T i : is) {
            if (o.isUnsubscribed()) {
                return;
            }
            o.onNext(i);
        }
        if (o.isUnsubscribed()) {
            return;
        }
        o.onCompleted();
    }

}