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/*
 * Copyright 2014 the original author or authors.
 *
 * 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 ratpack.exec.internal;

import ratpack.exec.Fulfiller;
import ratpack.exec.Promise;
import ratpack.exec.SuccessPromise;
import ratpack.exec.internal.DefaultExecController.Execution;
import ratpack.func.Action;
import ratpack.func.Factory;

import static ratpack.util.ExceptionUtils.toException;

public class DefaultPromise implements Promise {
  private final Action> fulfillment;
  private final Factory execution;

  public DefaultPromise(Factory execution, Action> fulfillment) {
    this.execution = execution;
    this.fulfillment = fulfillment;
  }

  @Override
  public SuccessPromise onError(final Action errorHandler) {
    return new DefaultSuccessPromise<>(execution, fulfillment, errorHandler);
  }

  @Override
  public void then(Action then) {
    onError(new Action() {
      @Override
      public void execute(Throwable t) throws Exception {
        throw toException(t);
      }
    }).then(then);
  }

}