code: /*
   * Copyright © 2014-2017 EntIT Software LLC, a Micro Focus company (L.P.)
   *
   * 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.cloudslang.orchestrator.services;
  
  import io.cloudslang.score.facade.execution.ExecutionActionResult;
  
  import java.util.List;
  
  /**
   * Created with IntelliJ IDEA.
   * User: hajyhia
   * Date: 3/29/13
   * Time: 10:48 AM
   */
  public interface CancelExecutionService {
  
      /**
       * Trigger execution cancellation - sets the given execution with status PENDING_CANCEL
       * @param executionId - the execution to cancel
       *
       */
      ExecutionActionResult requestCancelExecution(Long executionId);
  
      /**
       * Returns list of executions that are were cancelled (the status is either CANCELED or PENDING_CANCEL)
       * We need it for the cache of cancelled executions in the worker.
       */
      List<Long> readCanceledExecutionsIds();
  
      /**
       * Returns true if the given execution was cancelled.
       * @param executionId - the execution to check.
       * @return true if the given execution's status is CANCELED or PENDING_CANCEL
       */
      boolean isCanceledExecution(Long executionId);
  }
  