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.subscription;
  
  import org.activiti.api.process.model.payloads.SignalPayload;
  import org.activiti.runtime.api.signal.SignalPayloadEventListener;
  import org.springframework.messaging.Message;
  import org.springframework.messaging.MessageChannel;
  import org.springframework.messaging.support.MessageBuilder;
  import org.springframework.transaction.event.TransactionPhase;
  import org.springframework.transaction.event.TransactionalEventListener;
  
  /**
   * Overrides default SignalPayloadEventListener implementation to
   * broadcast signals into Runtime Bundle instances via Cloud Stream
   */
  public class SignalSender implements SignalPayloadEventListener {
  
      private final MessageChannel messageChannel;
  
      public SignalSender(MessageChannel messageChannel) {
          this.messageChannel = messageChannel;
      }
  
      @TransactionalEventListener(phase = TransactionPhase.AFTER_COMMIT)
      public void sendSignal(SignalPayload signalPayload) {
          Message<SignalPayload> message = MessageBuilder.withPayload(signalPayload).build();
          messageChannel.send(message);
      }
  }
  