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.runtime.api.event.internal;
  
  import java.util.List;
  import org.activiti.api.model.shared.event.VariableUpdatedEvent;
  import org.activiti.api.runtime.shared.events.VariableEventListener;
  import org.activiti.engine.delegate.event.ActivitiEvent;
  import org.activiti.engine.delegate.event.ActivitiEventListener;
  import org.activiti.engine.delegate.event.ActivitiVariableUpdatedEvent;
  import org.activiti.runtime.api.event.impl.ToVariableUpdatedConverter;
  
  public class VariableUpdatedListenerDelegate implements ActivitiEventListener {
  
      private final List<VariableEventListener<VariableUpdatedEvent>> listeners;
  
      private final ToVariableUpdatedConverter converter;
  
      private final VariableEventFilter variableEventFilter;
  
      public VariableUpdatedListenerDelegate(
          List<VariableEventListener<VariableUpdatedEvent>> listeners,
          ToVariableUpdatedConverter converter,
          VariableEventFilter variableEventFilter
      ) {
          this.listeners = listeners;
          this.converter = converter;
          this.variableEventFilter = variableEventFilter;
      }
  
      @Override
      public void onEvent(ActivitiEvent event) {
          if (event instanceof ActivitiVariableUpdatedEvent) {
              ActivitiVariableUpdatedEvent internalEvent = (ActivitiVariableUpdatedEvent) event;
              if (variableEventFilter.shouldEmmitEvent(internalEvent)) {
                  converter
                      .from(internalEvent)
                      .ifPresent(convertedEvent -> {
                          if (listeners != null) {
                              for (VariableEventListener<VariableUpdatedEvent> listener : listeners) {
                                  listener.onEvent(convertedEvent);
                              }
                          }
                      });
              }
          }
      }
  
      @Override
      public boolean isFailOnException() {
          return false;
      }
  }
  