/**
 * 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.operators;

import rx.Observable.OnSubscribe;
import rx.Subscriber;

/**
 * Emit ints from start to end inclusive.
 */
public final class OnSubscribeRange implements OnSubscribe<Integer> {

    private final int start;
    private final int end;

    public OnSubscribeRange(int start, int end) {
        this.start = start;
        this.end = end;
    }

    @Override
    public void call(Subscriber<? super Integer> o) {
        for (int i = start; i <= end; i++) {
            if (o.isUnsubscribed()) {
                return;
            }
            o.onNext(i);
        }
        o.onCompleted();
    }

}
