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.process;
  
  import io.activej.async.function.AsyncSupplier;
  import io.activej.promise.Promise;
  
  import java.util.concurrent.Callable;
  import java.util.concurrent.RejectedExecutionException;
  
  import static io.activej.common.exception.FatalErrorHandler.handleError;
  
  public interface AsyncExecutor {
  	<T> Promise<T> execute(AsyncSupplier<T> supplier) throws RejectedExecutionException;
  
  	default Promise<Void> run(Runnable runnable) throws RejectedExecutionException {
  		return execute(() -> {
  			runnable.run();
  			return Promise.complete();
  		});
  	}
  
  	default <T> Promise<T> call(Callable<T> callable) throws RejectedExecutionException {
  		return execute(() -> {
  			T result;
  			try {
  				result = callable.call();
  			} catch (Exception e) {
  				handleError(e, this);
  				return Promise.ofException(e);
  			}
  			return Promise.of(result);
  		});
  	}
  }
  