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.interceptor;
  
  import org.activiti.engine.api.internal.Internal;
  import org.activiti.engine.impl.delegate.invocation.DelegateInvocation;
  
  /**
   * Interceptor responsible for handling calls to 'user code'. User code represents external Java code (e.g. services and listeners) invoked by activiti. The following is a list of classes that
   * represent user code:
   * <ul>
   * <li>{@link org.activiti.engine.delegate.JavaDelegate}</li>
   * <li>{@link org.activiti.engine.delegate.ExecutionListener}</li>
   * <li>{@link org.activiti.engine.delegate.Expression}</li>
   * <li>{@link org.activiti.engine.delegate.TaskListener}</li>
   * </ul>
   *
   * The interceptor is passed in an instance of {@link DelegateInvocation}. Implementations are responsible for calling {@link DelegateInvocation#proceed()}.
   *
  
   */
  @Internal
  public interface DelegateInterceptor {
      public void handleInvocation(DelegateInvocation invocation);
  }
  