content: /*
   * Copyright 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.studio.core.utils.common;
  
  import java.util.UUID;
  
  /**
   * Utility class for generating various types of unique identifiers.
   *
   * @since 1.0.0.3
   */
  public class IdGenerator {
  
  	/** Worker instance for generating sequential IDs */
  	private static final Sequence WORKER = new Sequence();
  
  	/**
  	 * Generates an API key with "sk-" prefix
  	 * @return API key string
  	 */
  	public static String genApiKey() {
  		return "sk-" + uuid().replace("-", "").toLowerCase();
  	}
  
  	/**
  	 * Generates a unique numeric ID
  	 * @return unique long ID
  	 */
  	public static Long id() {
  		return WORKER.nextId();
  	}
  
  	/**
  	 * Generates a unique numeric ID as string
  	 * @return unique ID string
  	 */
  	public static String idStr() {
  		return String.valueOf(WORKER.nextId());
  	}
  
  	/**
  	 * Generates a standard UUID with hyphens
  	 * @return UUID string
  	 */
  	public static String uuid() {
  		return UUID.randomUUID().toString();
  	}
  
  	/**
  	 * Generates a UUID without hyphens
  	 * @return 32-character UUID string
  	 */
  	public static String uuid32() {
  		return UUID.randomUUID().toString().replace("-", "");
  	}
  
  	/**
  	 * Generates a unique agent ID with "agent_" prefix
  	 * @return agent ID string
  	 */
  	public static String generateAgentId() {
  		return "agent_" + uuid32().substring(0, 16).toLowerCase();
  	}
  
  	/**
  	 * Generates a unique tool ID with "tool_" prefix
  	 * @return tool ID string
  	 */
  	public static String generateToolId() {
  		return "tool_" + uuid32().substring(0, 16).toLowerCase();
  	}
  
  }
  