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.event;
  
  import java.util.Map;
  import org.activiti.bpmn.model.FlowNode;
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  
  /**
  
   */
  public abstract class AbstractEventHandler implements EventHandler {
  
      public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
          ExecutionEntity execution = eventSubscription.getExecution();
          FlowNode currentFlowElement = (FlowNode) execution.getCurrentFlowElement();
  
          if (currentFlowElement == null) {
              throw new ActivitiException(
                  "Error while sending signal for event subscription '" +
                  eventSubscription.getId() +
                  "': " +
                  "no activity associated with event subscription"
              );
          }
  
          if (payload instanceof Map) {
              @SuppressWarnings("unchecked")
              Map<String, Object> processVariables = (Map<String, Object>) payload;
              execution.setVariables(processVariables);
          }
  
          Context.getAgenda().planTriggerExecutionOperation(execution);
      }
  }
  