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.bpmn.behavior;
  
  import java.util.Map;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntityManager;
  
  public class VariablesPropagator {
  
      private ExecutionEntityManager executionEntityManager;
  
      private final VariablesCalculator variablesCalculator;
  
      public VariablesPropagator(VariablesCalculator variablesCalculator) {
          this.variablesCalculator = variablesCalculator;
      }
  
      public void propagate(DelegateExecution execution, Map<String, Object> availableVariables) {
          if (availableVariables != null && !availableVariables.isEmpty()) {
              // in the case of a multi instance we need to set the available variables in the local execution scope so that
              // MultiInstanceBehaviour will manage to aggregate the results inside the result collection. Otherwise, the mapping logic is applied.
              if (execution.getParent().isMultiInstanceRoot()) {
                  execution.setVariablesLocal(availableVariables);
              } else if (execution.getProcessInstanceId() != null) {
                  final ExecutionEntity processInstanceEntity = getExecutionEntityManager().findById(
                      execution.getProcessInstanceId()
                  );
                  processInstanceEntity.setVariables(
                      variablesCalculator.calculateOutPutVariables(
                          MappingExecutionContext.buildMappingExecutionContext(execution),
                          availableVariables
                      )
                  );
              }
          }
      }
  
      protected ExecutionEntityManager getExecutionEntityManager() {
          if (executionEntityManager == null) {
              executionEntityManager = Context.getCommandContext().getExecutionEntityManager();
          }
          return executionEntityManager;
      }
  }
  