content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * 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
   *
   *      https://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 com.alibaba.cloud.ai.graph.scheduling;
  
  import java.util.Optional;
  import java.util.Set;
  
  import org.springframework.scheduling.TaskScheduler;
  
  /**
   * Interface for managing scheduled agent tasks. This abstraction allows for different
   * implementations: - Local management (DefaultScheduledAgentManager) - Centralized
   * management platform integration - Distributed/clustered management
   *
   * @author yaohui
   * @since 1.0.0
   */
  public interface ScheduledAgentManager {
  
  	/**
  	 * Register a scheduled agent task
  	 * @param task the task to register
  	 * @return the unique task ID assigned to this task
  	 */
  	String registerTask(ScheduledAgentTask task);
  
  	/**
  	 * Unregister a scheduled agent task
  	 * @param taskId the task ID to unregister
  	 * @return true if the task was found and removed, false otherwise
  	 */
  	boolean unregisterTask(String taskId);
  
  	/**
  	 * Get a scheduled agent task by ID
  	 * @param taskId the task ID
  	 * @return the ScheduledAgentTask if found, empty Optional otherwise
  	 */
  	Optional<ScheduledAgentTask> getTask(String taskId);
  
  	/**
  	 * Get all active task IDs
  	 * @return a set of all active task IDs
  	 */
  	Set<String> getAllActiveTaskIds();
  
  	/**
  	 * Get the count of active tasks
  	 * @return the number of active tasks
  	 */
  	int getActiveTaskCount();
  
  	/**
  	 * Get the task scheduler for this manager
  	 * @return the TaskScheduler instance
  	 */
  	TaskScheduler getTaskScheduler();
  
  	/**
  	 * Check if the manager is shut down
  	 * @return true if shut down, false otherwise
  	 */
  	boolean isShutdown();
  
  	/**
  	 * Shutdown the manager and all its tasks
  	 */
  	void shutdown();
  
  }
  