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.entities.Execution;
  import io.cloudslang.orchestrator.entities.SplitMessage;
  
  import java.util.List;
  
  /**
   * User: zruya
   * Date: 22/08/13
   * Time: 14:31
   */
  public interface SplitJoinService {
  
      /**
       * Triggers the child executions and suspends the parent execution
       * while terminating the step that created the split
       *
       * @param messages a list of ForkCommands
       */
      void split(List<SplitMessage> messages);
  
      /**
       * Persists the branch that ended to the DB
       *
       * @param executions finished branches
       */
      void endBranch(List<Execution> executions);
  
      /**
       * Collects all finished forks from the DB,
       * merges the children into the parent executions,
       * and triggers the parent Executions back to the queue.
       *
       * This will be launched using a singleton quartz job
       *
       * @param bulkSize the amount of finished splits to join
       * @return actual amount of joined splits
       */
      int joinFinishedSplits(int bulkSize);
  
      /**
       * Collects all finished forks from the DB,
       * merges the children into the parent executions,
       * and triggers the parent Executions back to the queue.
       *
       */
      void joinFinishedSplits();
  
      int joinFinishedMiBranches(int bulkSize);
  }
  