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/*
 * Copyright 2016 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;

import rx.functions.Cancellable;

/**
 * Abstraction over a {@link SingleSubscriber} that gets either an onSuccess or onError
 * signal and allows registering an cancellation/unsubscription callback.
 * 

* All methods are thread-safe; calling onSuccess or onError twice or one after the other has * no effect. *

History: 1.2.3 - experimental * @param the success value type * @since 1.3 */ public interface SingleEmitter { /** * Notifies the SingleSubscriber that the {@link Single} has completed successfully with * the given value. *

* If the {@link Single} calls this method, it will not thereafter call * {@link #onError}. * * @param t the success value */ void onSuccess(T t); /** * Notifies the SingleSubscriber that the {@link Single} has experienced an error condition. *

* If the {@link Single} calls this method, it will not thereafter call * {@link #onSuccess}. * * @param t * the exception encountered by the Observable */ void onError(Throwable t); /** * Sets a Subscription on this emitter; any previous Subscription * or Cancellation will be unsubscribed/cancelled. * @param s the subscription, null is allowed */ void setSubscription(Subscription s); /** * Sets a Cancellable on this emitter; any previous Subscription * or Cancellation will be unsubscribed/cancelled. * @param c the cancellable resource, null is allowed */ void setCancellation(Cancellable c); }





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