content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * 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.activej.async.executor;
  
  import io.activej.async.callback.AsyncComputation;
  import io.activej.common.function.RunnableEx;
  import io.activej.common.function.SupplierEx;
  
  import java.util.concurrent.CompletableFuture;
  import java.util.concurrent.Executor;
  
  /**
   * An abstraction over reactor that can receive, dispatch and run tasks in it.
   *
   * @see BlockingReactorExecutor
   */
  public interface ReactorExecutor extends Executor {
  	/**
  	 * Executes the given computation at some time in the future in some underlying reactor.
  	 */
  	CompletableFuture<Void> submit(RunnableEx computation);
  
  	/**
  	 * Executes the given computation at some time in the future in some underlying reactor
  	 * and returns its result in a {@link CompletableFuture future}.
  	 */
  	<T> CompletableFuture<T> submit(AsyncComputation<? extends T> computation);
  
  	/**
  	 * Executes the given computation at some time in the future in some underlying reactor
  	 * and returns its result in a {@link CompletableFuture future}.
  	 */
  	default <T> CompletableFuture<T> submit(SupplierEx<? extends AsyncComputation<? extends T>> computation) {
  		return submit(AsyncComputation.ofSupplier(computation));
  	}
  }
  