/// <summary>
/// 将对象或具有给定根的对象图形序列化为所提供的流。
/// </summary>
/// <param name="serializationStream">格式化程序在其中放置序列化数据的流。此流可以引用多种后备存储区（如文件、网络、内存等）。</param>
/// <param name="graph">要序列化的对象或对象图形的根。将自动序列化此根对象的所有子对象。</param>
public void Serialize(Stream serializationStream, object graph)
{
Type InstanceType = graph.GetType();
ObjectTransferOrderAttribute[] transConfig = new ObjectTransferOrderAttribute[0];
PropertyInfo[] transPropertys = SpecUtil.GetTransferProperties(InstanceType, out transConfig);
byte[] currentBytes = new byte[0];
ObjectTransferOrderAttribute currentConfig = null;
PropertyInfo pInfo = null;
for (int i = 0, j = transPropertys.Length; i < j; i++)
{
pInfo = transPropertys[i];
currentConfig = transConfig[i];
currentBytes = SpecUtil.GetGetHostBytes(pInfo.PropertyType, pInfo.GetValue(graph, null));
if (currentBytes != null && currentBytes.Length > 0)
{
if (currentConfig.Reverse)
{
currentBytes = SpecUtil.ReverseBytes(currentBytes);
}
serializationStream.Write(currentBytes, 0, currentBytes.Length);
}
}
}
/// <summary>
/// 读取全部数据绑定
/// </summary>
/// <typeparam name="TEntity">The type of the entity.</typeparam>
/// <returns></returns>
public TEntity ReadToEnd <TEntity>()
where TEntity : ESPDataBase, new()
{
TEntity instance = new TEntity();
Type instanceType = typeof(TEntity);
ObjectTransferOrderAttribute[] Configs = new ObjectTransferOrderAttribute[0];
PropertyInfo[] bindProperties = SpecUtil.GetTransferProperties(instanceType, out Configs);
object currentObj = null, lastDat = null;
for (int m = 0, n = bindProperties.Length; m < n; m++)
{
string propKey = BindBuilder.GetPropertyBindKey(instanceType, bindProperties[m]);
if (BindBuilder.CustomBindDict.ContainsKey(propKey))
{
currentObj = BindBuilder.CustomBindDict[propKey](bindSteam, instance);
//Console.WriteLine("自定义属性绑定回调..");
}
else
{
if (lastDat != null && bindProperties[m].PropertyType.IsArray)
{
if (Configs[m].ArrayLengthOffset != -1)
{
throw new NotSupportedException(String.Format("数组属性偏移量不为-1的值暂不支持,当前配置值为:{0}！\r\n实例属性：{1}:{2}, 属性类型：{3}",
Configs[m].ArrayLengthOffset,
instanceType.FullName,
bindProperties[m].Name,
bindProperties[m].PropertyType.FullName));
}
else
{
currentObj = SpecUtil.GetArrayPropertyValue(bindProperties[m].PropertyType.GetElementType(),
Convert.ToInt32(lastDat), bindSteam);
}
}
else
{
currentObj = SpecUtil.GetNetworkStreamMappingData(bindProperties[m].PropertyType, instance.Context, bindSteam, -1, false);
}
}
lastDat = currentObj;
bindProperties[m].SetValue(instance, currentObj, null);
}
return(instance);
}
/// <summary>
/// 获取配置成员属性的网络传输字节序列
/// </summary>
/// <param name="skipPropertyFn">相关属性是否忽略的判断委托</param>
/// <returns></returns>
public byte[] GetInstanceNetworkBytes(Func <PropertyInfo, bool> skipPropertyFn)
{
//获取需要传输的字节队列
//依据传输规则封装
using (MemoryStream ms = new MemoryStream())
{
Type InstanceType = this.GetType();
ObjectTransferOrderAttribute[] transConfig = new ObjectTransferOrderAttribute[0];
PropertyInfo[] transPropertys = SpecUtil.GetTransferProperties(InstanceType, out transConfig);
byte[] currentBytes = new byte[0];
ObjectTransferOrderAttribute currentConfig = null;
PropertyInfo pInfo = null;
for (int i = 0, j = transPropertys.Length; i < j; i++)
{
pInfo = transPropertys[i];
if (skipPropertyFn != null && skipPropertyFn(pInfo))
{
continue;
}
currentConfig = transConfig[i];
currentBytes = SpecUtil.GetGetHostBytes(pInfo.PropertyType, pInfo.GetValue(this, null));
if (currentBytes != null && currentBytes.Length > 0)
{
if (currentConfig.Reverse)
{
currentBytes = SpecUtil.ReverseBytes(currentBytes);
}
ms.Write(currentBytes, 0, currentBytes.Length);
//Console.WriteLine("【{3}】获取属性[{0}]的传输字节序列，长度: {1}，反转序列：{2}, 数据类型:{4}",
// pInfo.Name, currentBytes.Length,
// currentConfig.Reverse,
// this.GetType().FullName,
// pInfo.PropertyType);
}
}
return(ms.ToArray());
}
}
public int ReadOne <TEntity>(string propertyName)
where TEntity : ESPDataBase, new()
{
ObjectTransferOrderAttribute[] configs = new ObjectTransferOrderAttribute[0];
PropertyInfo[] totalProperties = SpecUtil.GetTransferProperties(typeof(TEntity), out configs);
int i = 0, j = totalProperties.Length;
int targetIndex = 0;
for (; i < j; i++)
{
if (!string.IsNullOrEmpty(propertyName) &&
totalProperties[i].Name.Equals(propertyName, StringComparison.OrdinalIgnoreCase))
{
targetIndex = i;
break;
}
}
return(j - i - 1);
}
