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;
  
  import com.alibaba.cloud.ai.graph.state.strategy.AppendStrategy;
  import com.alibaba.cloud.ai.graph.state.strategy.MergeStrategy;
  import com.alibaba.cloud.ai.graph.state.strategy.ReplaceStrategy;
  
  import java.util.function.BiFunction;
  
  /**
   * Strategy interface for generating cache keys based on input parameters and the overall
   * state. This interface extends BiFunction, taking two generic input parameters to
   * produce a resulting key. The key generation logic can be affected by both input
   * parameters and the global state of the system, making it adaptable for various caching
   * scenarios within the project.
   *
   * @author disaster
   * @since 1.0.0.1
   */
  public interface KeyStrategy extends BiFunction<Object, Object, Object> {
  
  	KeyStrategy REPLACE = new ReplaceStrategy();
  
  	KeyStrategy APPEND = new AppendStrategy();
  
  	KeyStrategy MERGE = new MergeStrategy();
  
  	/**
  	 * Creates a new builder instance for constructing KeyStrategy configurations.
  	 * @return a new KeyStrategyFactoryBuilder instance
  	 */
  	static KeyStrategyFactoryBuilder builder() {
  		return new KeyStrategyFactoryBuilder();
  	}
  
  }
  