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;
  
  import org.activiti.engine.api.internal.Internal;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.delegate.ActivityBehavior;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandExecutor;
  
  /**
   * For each API call (and thus {@link Command}) being executed, a new agenda instance is created.
   * On this agenda, operations are put, which the {@link CommandExecutor} will keep executing until
   * all are executed.
   *
   * The agenda also gives easy access to methods to plan new operations when writing
   * {@link ActivityBehavior} implementations.
   *
   * During a {@link Command} execution, the agenda can always be fetched using {@link Context#getAgenda()}.
   */
  @Internal
  public interface Agenda {
      boolean isEmpty();
  
      Runnable getNextOperation();
  
      /**
       * Generic method to plan a {@link Runnable}.
       */
      void planOperation(Runnable operation);
  }
  