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.action;
  
  import com.alibaba.cloud.ai.graph.OverAllState;
  
  /**
   * Represents an edge action that operates on an agent state and returns a result.
   *
   */
  @FunctionalInterface
  public interface EdgeAction {
  
  	/**
  	 * Applies this action to the given agent state.
  	 * @param state the agent state
  	 * @return a result of the action
  	 * @throws Exception if an error occurs during the action
  	 */
  	String apply(OverAllState state) throws Exception;
  
  }
  