io.reactivex.observable.internal.utils.ObservableQueueDrain Maven / Gradle / Ivy
/**
* Copyright (c) 2016-present, RxJava Contributors.
*
* 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 io.reactivex.observable.internal.utils;
import io.reactivex.observable.Observer;
public interface ObservableQueueDrain {
boolean cancelled();
boolean done();
Throwable error();
boolean enter();
/**
* Adds m to the wip counter.
* @param m the value to add
* @return the wip value after adding the value
*/
int leave(int m);
/**
* Accept the value and return true if forwarded.
* @param a the subscriber to deliver values to
* @param v the value to deliver
*/
void accept(Observer a, T v);
}