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.exception;
  
  import java.util.Map;
  import java.util.Optional;
  import static java.lang.String.format;
  
  public class SubGraphInterruptionException extends GraphRunnerException {
  
  	final String parentNodeId;
  
  	final String nodeId;
  
  	final Map<String, Object> state;
  
  	public SubGraphInterruptionException(String parentNodeId, String nodeId, Map<String, Object> state) {
  		super(format("interruption in subgraph: %s on node: %s", parentNodeId, nodeId));
  		this.parentNodeId = parentNodeId;
  		this.nodeId = nodeId;
  		this.state = state;
  	}
  
  	public String parentNodeId() {
  		return parentNodeId;
  	}
  
  	public String nodeId() {
  		return nodeId;
  	}
  
  	public Map<String, Object> state() {
  		return state;
  	}
  
  	public static Optional<SubGraphInterruptionException> from(Throwable throwable) {
  		Throwable current = throwable;
  		while (current != null) {
  			if (current instanceof SubGraphInterruptionException ex) {
  				return Optional.of(ex);
  			}
  			current = current.getCause();
  		}
  		return Optional.empty();
  	}
  
  }
  