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.orchestrator.entities.ExecutionState;
  import io.cloudslang.score.facade.execution.ExecutionStatus;
  import io.cloudslang.score.facade.execution.PauseReason;
  import org.springframework.beans.factory.annotation.Autowired;
  
  import java.io.Serializable;
  import java.util.Map;
  
  /**
   * User:
   * Date: 29/05/2014
   */
  public class ScorePauseResumeImpl implements ScorePauseResume {
  
      @Autowired
      private ExecutionStateService executionStateService;
  
      @Autowired
      private PauseResumeService pauseResumeService;
  
      @Override
      public boolean pauseExecution(Long executionId) {
          ExecutionState executionState = executionStateService.readByExecutionIdAndBranchId(executionId, ExecutionState.EMPTY_BRANCH);
          if (canBePaused(executionState)) {
              pauseResumeService.pauseExecution(executionId, null, PauseReason.USER_PAUSED);
              return true;
          } else {
              return false;
          }
      }
  
      private boolean canBePaused(ExecutionState executionState) {
          return executionState != null && executionState.getStatus().equals(ExecutionStatus.RUNNING);
      }
  
      @Override
      public void resumeExecution(Long executionId, Map<String, Serializable> context, Map<String, Serializable> runtimeValues) {
          throw new RuntimeException("score resume not implemented yet!");
      }
  
  }
  