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.studio.core.model.llm.domain;
  
  import lombok.Data;
  import lombok.experimental.Accessors;
  
  import java.io.Serializable;
  import java.util.List;
  
  /**
   * Model instance
   *
   * @since 1.0.0.3
   */
  @Data
  @Accessors(chain = true)
  public class ModelInstance implements Serializable {
  
  	/**
  	 * Provider name
  	 */
  	private String provider;
  
  	/**
  	 * Default model configuration including default parameters
  	 */
  	private ModelConfigInfo defaultModelConfig;
  
  	/**
  	 * Get parameter rules
  	 * @return Parameter rules
  	 */
  	public List<ParameterRule> getParameterRules() {
  		// Implementation to be provided by concrete subclasses
  		return null;
  	}
  
  	/**
  	 * Get token count
  	 * @param text Text content
  	 * @return Number of tokens
  	 */
  	public int getNumTokens(String text) {
  		// Implementation to be provided by concrete subclasses
  		return 0;
  	}
  
  	/**
  	 * Model response
  	 */
  	@Data
  	@Accessors(chain = true)
  	public static class ModelResponse implements Serializable {
  
  		/**
  		 * Response content
  		 */
  		private String content;
  
  		/**
  		 * Token usage
  		 */
  		private Usage usage;
  
  		/**
  		 * Success flag
  		 */
  		private boolean success;
  
  		/**
  		 * Error code
  		 */
  		private String errorCode;
  
  		/**
  		 * Error message
  		 */
  		private String errorMsg;
  
  	}
  
  	/**
  	 * Token usage statistics
  	 */
  	@Data
  	@Accessors(chain = true)
  	public static class Usage implements Serializable {
  
  		/**
  		 * Number of prompt tokens
  		 */
  		private int promptTokens;
  
  		/**
  		 * Number of completion tokens
  		 */
  		private int completionTokens;
  
  		/**
  		 * Total number of tokens
  		 */
  		private int totalTokens;
  
  	}
  
  }
  