6

这里查看以下代码。
这是关于在 wcf 中序列化时在数据契约(对象模型、对象图、域模型)中保留循环引用。

class ReferencePreservingDataContractSerializerOperationBehavior
      :DataContractSerializerOperationBehavior
    {
        public ReferencePreservingDataContractSerializerOperationBehavior(
          OperationDescription operationDescription)
          : base(operationDescription) { }

        public override XmlObjectSerializer CreateSerializer(
          Type type, string name, string ns, IList<Type> knownTypes)
        {
            return CreateDataContractSerializer(type, name, ns, knownTypes);
        }

        private static XmlObjectSerializer CreateDataContractSerializer(
          Type type, string name, string ns, IList<Type> knownTypes)
        {
            return CreateDataContractSerializer(type, name, ns, knownTypes);
        }

        public override XmlObjectSerializer CreateSerializer(
          Type type, XmlDictionaryString name, XmlDictionaryString ns,
          IList<Type> knownTypes)
        {
            return new DataContractSerializer(type, name, ns, knownTypes,
                0x7FFF /*maxItemsInObjectGraph*/,
                false/*ignoreExtensionDataObject*/,
                true/*preserveObjectReferences*/,
                null/*dataContractSurrogate*/);
        }
    }

CreateDataContractSerializer生成无限循环(stackoverflow) - 因此也是前面的CreateSerializer方法?

private static XmlObjectSerializer CreateDataContractSerializer(
          Type type, string name, string ns, IList<Type> knownTypes)
        {
            return CreateDataContractSerializer(type, name, ns, knownTypes);
        }

现在也许这些方法没有被使用?我在这里想念什么?

4

1 回答 1

3

确实如此。它有效的事实表明当前仅调用了最后一个重载。由于涉及不同的参数,也许最好放弃静态方法(这没有帮助):

public override XmlObjectSerializer CreateSerializer(
  Type type, string name, string ns, IList<Type> knownTypes)
{
    return new DataContractSerializer(type, name, ns, knownTypes,
        0x7FFF /*maxItemsInObjectGraph*/,
        false/*ignoreExtensionDataObject*/,
        true/*preserveObjectReferences*/,
        null/*dataContractSurrogate*/);
}

public override XmlObjectSerializer CreateSerializer(
  Type type, XmlDictionaryString name, XmlDictionaryString ns,
  IList<Type> knownTypes)
{
    return new DataContractSerializer(type, name, ns, knownTypes,
        0x7FFF /*maxItemsInObjectGraph*/,
        false/*ignoreExtensionDataObject*/,
        true/*preserveObjectReferences*/,
        null/*dataContractSurrogate*/);
}
于 2010-11-24T11:08:15.500 回答