content: /*
   * Copyright 2017-2025 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.services.subscriptions.behavior;
  
  import org.activiti.api.process.model.payloads.SignalPayload;
  import org.activiti.bpmn.model.Signal;
  import org.activiti.bpmn.model.SignalEventDefinition;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.delegate.Expression;
  import org.activiti.engine.impl.bpmn.behavior.IntermediateThrowSignalEventActivityBehavior;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
  import org.springframework.context.ApplicationEventPublisher;
  
  public class BroadcastSignalEventActivityBehavior extends IntermediateThrowSignalEventActivityBehavior {
  
      public static final String DEFAULT_THROW_SIGNAL_EVENT_BEAN_NAME = "defaultThrowSignalEventBehavior";
  
      private static final long serialVersionUID = 1L;
  
      private final ApplicationEventPublisher eventPublisher;
  
      public BroadcastSignalEventActivityBehavior(
          ApplicationEventPublisher eventPublisher,
          SignalEventDefinition signalEventDefinition,
          Signal signal
      ) {
          super(signalEventDefinition, signal);
          this.eventPublisher = eventPublisher;
      }
  
      public void execute(DelegateExecution execution) {
          if (processInstanceScope) {
              super.execute(execution);
              return;
          }
  
          CommandContext commandContext = Context.getCommandContext();
          String eventSubscriptionName;
          if (signalEventName != null) {
              eventSubscriptionName = signalEventName;
          } else {
              Expression expressionObject = commandContext
                  .getProcessEngineConfiguration()
                  .getExpressionManager()
                  .createExpression(signalExpression);
              eventSubscriptionName = expressionObject.getValue(execution).toString();
          }
  
          SignalPayload signalPayload = new SignalPayload(eventSubscriptionName, execution.getVariables());
          eventPublisher.publishEvent(signalPayload);
  
          Context.getAgenda().planTakeOutgoingSequenceFlowsOperation((ExecutionEntity) execution, true);
      }
  }
  