content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.engine.impl.cmd;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  import org.activiti.engine.ActivitiIllegalArgumentException;
  import org.activiti.engine.ActivitiObjectNotFoundException;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntityManager;
  import org.activiti.engine.runtime.Execution;
  
  /**
  
  
   */
  public class FindActiveActivityIdsCmd implements Command<List<String>>, Serializable {
  
      private static final long serialVersionUID = 1L;
      protected String executionId;
  
      public FindActiveActivityIdsCmd(String executionId) {
          this.executionId = executionId;
      }
  
      public List<String> execute(CommandContext commandContext) {
          if (executionId == null) {
              throw new ActivitiIllegalArgumentException("executionId is null");
          }
  
          ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();
          ExecutionEntity execution = executionEntityManager.findById(executionId);
  
          if (execution == null) {
              throw new ActivitiObjectNotFoundException("execution " + executionId + " doesn't exist", Execution.class);
          }
  
          return findActiveActivityIds(execution);
      }
  
      public List<String> findActiveActivityIds(ExecutionEntity executionEntity) {
          List<String> activeActivityIds = new ArrayList<String>();
          collectActiveActivityIds(executionEntity, activeActivityIds);
          return activeActivityIds;
      }
  
      protected void collectActiveActivityIds(ExecutionEntity executionEntity, List<String> activeActivityIds) {
          if (executionEntity.isActive() && executionEntity.getActivityId() != null) {
              activeActivityIds.add(executionEntity.getActivityId());
          }
  
          for (ExecutionEntity childExecution : executionEntity.getExecutions()) {
              collectActiveActivityIds(childExecution, activeActivityIds);
          }
      }
  }
  