本文整理了Java中org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode.at()方法的一些代码示例，展示了JsonNode.at()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JsonNode.at()方法的具体详情如下：
包路径：org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode
类名称：JsonNode
方法名：at

JsonNode.at介绍

暂无

代码示例

代码示例来源：origin: apache/flink

private static JsonNode resolveReference(String ref, JsonNode origin, JsonNode root) {
  if (!ref.startsWith("#")) {
    throw new IllegalArgumentException("Only JSON schemes with simple references " +
      "(one indirection in the same document) are supported yet. But was: " + ref);
  }
  final String path = ref.substring(1);
  final JsonNode foundNode = root.at(path);
  if (foundNode.isMissingNode()) {
    throw new IllegalArgumentException("Could not find reference: " + ref);
  }
  // prevent obvious cyclic references
  if (foundNode == origin) {
    throw new IllegalArgumentException("Cyclic references are not supported:" + ref);
  }
  return foundNode;
}

代码示例来源：origin: org.apache.flink/flink-json

private static JsonNode resolveReference(String ref, JsonNode origin, JsonNode root) {
  if (!ref.startsWith("#")) {
    throw new IllegalArgumentException("Only JSON schemes with simple references " +
      "(one indirection in the same document) are supported yet. But was: " + ref);
  }
  final String path = ref.substring(1);
  final JsonNode foundNode = root.at(path);
  if (foundNode.isMissingNode()) {
    throw new IllegalArgumentException("Could not find reference: " + ref);
  }
  // prevent obvious cyclic references
  if (foundNode == origin) {
    throw new IllegalArgumentException("Cyclic references are not supported:" + ref);
  }
  return foundNode;
}

代码示例来源：origin: com.alibaba.blink/flink-json

private static JsonNode resolveReference(String ref, JsonNode origin, JsonNode root) {
  if (!ref.startsWith("#")) {
    throw new IllegalArgumentException("Only JSON schemes with simple references " +
      "(one indirection in the same document) are supported yet. But was: " + ref);
  }
  final String path = ref.substring(1);
  final JsonNode foundNode = root.at(path);
  if (foundNode.isMissingNode()) {
    throw new IllegalArgumentException("Could not find reference: " + ref);
  }
  // prevent obvious cyclic references
  if (foundNode == origin) {
    throw new IllegalArgumentException("Cyclic references are not supported:" + ref);
  }
  return foundNode;
}