/// <summary>
/// 将一个对象字段转换为二进制元数据
/// </summary>
/// <param name="metadata">需要转换成元数据的Value字典</param>
/// <param name="proxy">内存段代理器</param>
internal unsafe static void ToBytes(ResourceBlock metadata, IMemorySegmentProxy proxy)
{
Dictionary <byte, BaseValueStored> valueStoreds = metadata.GetMetaDataDictionary();
uint markRangeLength = (uint)(valueStoreds.Count * 5);
MemoryPosition wrapperStartPosition = proxy.GetPosition();
proxy.Skip(4U);
proxy.WriteUInt16((ushort)(valueStoreds.Count));
MemoryPosition wrapperMarkRangeStartPosition = proxy.GetPosition();
proxy.Skip(markRangeLength);
MemoryPosition wrapperOffsetStartPosition = proxy.GetPosition();
MarkRange * markRange = stackalloc MarkRange[valueStoreds.Count];
int i = 0;
foreach (KeyValuePair <byte, BaseValueStored> valueStored in valueStoreds)
{
//转化成二进制数组的形式
MemoryPosition wrapperCurrentPosition = proxy.GetPosition();
uint currentOffset = (uint)MemoryPosition.CalcLength(proxy.SegmentCount, wrapperOffsetStartPosition, wrapperCurrentPosition);
(markRange + i)->Id = valueStored.Key;
(markRange + i++)->Flag = (uint)((currentOffset << 8) | (int)valueStored.Value.TypeId);
if (valueStored.Value.IsNull)
{
continue;
}
valueStored.Value.ToBytes(proxy);
}
MemoryPosition wrapperEndPosition = proxy.GetPosition();
//回写mark Range
proxy.WriteBackMemory(wrapperMarkRangeStartPosition, markRange, markRangeLength);
//回写4bytes总长
proxy.WriteBackInt32(wrapperStartPosition, MemoryPosition.CalcLength(proxy.SegmentCount, wrapperStartPosition, wrapperEndPosition));
}
/// <summary>
/// 从第三方客户数据转换为元数据
/// </summary>
/// <param name="proxy">内存片段代理器</param>
/// <param name="attribute">字段属性</param>
/// <param name="analyseResult">分析结果</param>
/// <param name="target">目标对象实例</param>
/// <param name="isArrayElement">当前写入的值是否为数组元素标示</param>
public override void Process(IMemorySegmentProxy proxy, IntellectPropertyAttribute attribute, ToBytesAnalyseResult analyseResult, object target, bool isArrayElement = false, bool isNullable = false)
{
byte[] value = analyseResult.GetValue <byte[]>(target);
if (value == null)
{
if (!attribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, attribute.Id, analyseResult.Property.Name, analyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
proxy.WriteByte((byte)attribute.Id);
MemoryPosition position = proxy.GetPosition();
proxy.Skip(4U);
proxy.WriteInt32(value.Length);
if (value.Length == 0)
{
proxy.WriteBackInt32(position, 4);
return;
}
unsafe
{
fixed(byte *pByte = value) proxy.WriteMemory(pByte, (uint)value.Length * Size.Byte);
}
proxy.WriteBackInt32(position, (int)(value.Length * Size.Byte + 4));
}
/// <summary>
/// 将一个IntellectObject数组转换成byte数组的形式
/// </summary>
/// <param name="value">值</param>
/// <exception cref="UnexpectedValueException">结果错误</exception>
/// <exception cref="ArgumentNullException">参数不能为空</exception>
public static byte[] BindIntellectObjectArray(IntellectObject[] value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
MemoryAllotter.Instance.Initialize();
IMemorySegmentProxy proxy = MemorySegmentProxyFactory.Create();
proxy.WriteUInt32((uint)value.Length);
for (int i = 0; i < value.Length; i++)
{
IntellectObject elementObj = value[i];
if (elementObj == null)
{
proxy.WriteUInt16(0);
}
else
{
MemoryPosition currentPostion = proxy.GetPosition();
proxy.Skip(2U);
int length = IntellectObjectEngine.ToBytes(elementObj, proxy);
proxy.WriteBackUInt16(currentPostion, (ushort)length);
}
}
return(proxy.GetBytes());
}
/// <summary>
/// 从第三方客户数据转换为元数据
/// </summary>
/// <param name="proxy">内存片段代理器</param>
/// <param name="attribute">字段属性</param>
/// <param name="analyseResult">分析结果</param>
/// <param name="target">目标对象实例</param>
/// <param name="isArrayElement">当前写入的值是否为数组元素标示</param>
public override void Process(IMemorySegmentProxy proxy, IntellectPropertyAttribute attribute, ToBytesAnalyseResult analyseResult, object target, bool isArrayElement = false, bool isNullable = false)
{
string[] value = analyseResult.GetValue <string[]>(target);
if (value == null)
{
if (!attribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, attribute.Id, analyseResult.Property.Name, analyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
proxy.WriteByte((byte)attribute.Id);
MemoryPosition position = proxy.GetPosition();
proxy.Skip(4U);
proxy.WriteInt32(value.Length);
if (value.Length == 0)
{
proxy.WriteBackInt32(position, 4);
return;
}
for (int i = 0; i < value.Length; i++)
{
string elementValue = value[i];
if (string.IsNullOrEmpty(elementValue))
{
proxy.WriteUInt16(0);
}
else
{
byte[] elementData = Encoding.UTF8.GetBytes(elementValue);
proxy.WriteUInt16((ushort)elementData.Length);
proxy.WriteMemory(elementData, 0U, (uint)elementData.Length);
}
}
MemoryPosition endPosition = proxy.GetPosition();
proxy.WriteBackInt32(position, MemoryPosition.CalcLength(proxy.SegmentCount, position, endPosition) - 4);
}
/// <summary>
/// 将一个智能对象转换为二进制元数据
/// </summary>
/// <param name="obj">智能对象</param>
/// <param name="proxy">内存段代理器</param>
/// <returns>返回当前已经被序列化对象的总体长度</returns>
internal static int ToBytes(IIntellectObject obj, IMemorySegmentProxy proxy)
{
//获取智能对象中的智能属性，并按照Id来排序
ToBytesAnalyseResult[] properties = Analyser.ToBytesAnalyser.Analyse(obj);
if (properties.Length == 0)
{
return(-1);
}
MemoryPosition wrapperStartPosition = proxy.GetPosition();
proxy.Skip(4U);
IIntellectTypeProcessor intellectTypeProcessor;
for (int l = 0; l < properties.Length; l++)
{
ToBytesAnalyseResult property = properties[l];
//先检查完全缓存机制
if (property.HasCacheFinished)
{
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
continue;
}
#region 普通类型判断
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(property.Attribute.Id) ??
IntellectTypeProcessorMapping.Instance.GetProcessor(property.Property.PropertyType);
if (intellectTypeProcessor != null)
{
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = processor.Process;
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 枚举类型判断
//枚举类型
if (property.Property.PropertyType.GetTypeInfo().IsEnum)
{
//获取枚举类型
Type enumType = Enum.GetUnderlyingType(property.Property.PropertyType);
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(enumType);
if (intellectTypeProcessor == null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = processor.Process;
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 可空类型判断
Type innerType;
if ((innerType = Nullable.GetUnderlyingType(property.Property.PropertyType)) != null)
{
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(innerType);
if (intellectTypeProcessor != null)
{
//添加热缓存
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
processor.Process(innerProxy, innerAttribute, innerAnalyseResult, innerTarget, innerIsArrayElement, true);
};
property.CacheProcess(proxy, property.Attribute, property, obj, false, true);
property.HasCacheFinished = true;
continue;
}
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
#endregion
#region 智能对象类型判断
if (property.Property.PropertyType.GetTypeInfo().GetInterface(Consts.IntellectObjectFullName) != null)
{
//添加热缓存
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
IntellectObject innerIntellectObj = innerAnalyseResult.GetValue <IntellectObject>(innerTarget);
if (innerIntellectObj == null)
{
return;
}
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPos = innerProxy.GetPosition();
innerProxy.Skip(4);
ToBytes(innerIntellectObj, innerProxy);
MemoryPosition endPos = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPos, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPos, endPos) - 4);
};
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
#region 数组的判断
if (property.Property.PropertyType.IsArray)
{
if (!property.Property.PropertyType.HasElementType)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
Type elementType = property.Property.PropertyType.GetElementType();
VT vt = FixedTypeManager.IsVT(elementType);
//special optimize.
IIntellectTypeProcessor arrayProcessor = ArrayTypeProcessorMapping.Instance.GetProcessor(property.Property.PropertyType);
if (arrayProcessor != null)
{
property.CacheProcess = arrayProcessor.Process;
}
//is VT, but cannot find special processor.
else if (vt != null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
else if (elementType.GetTypeInfo().IsSubclassOf(typeof(IntellectObject)))
{
//Add hot cache.
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
IIntellectObject[] array = innerAnalyseResult.GetValue <IIntellectObject[]>(innerTarget);
if (array == null)
{
if (!innerAttribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, innerAttribute.Id, innerAnalyseResult.Property.Name, innerAnalyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPosition = innerProxy.GetPosition();
innerProxy.Skip(4U);
innerProxy.WriteInt32(array.Length);
for (int i = 0; i < array.Length; i++)
{
IIntellectObject element = array[i];
if (element == null)
{
innerProxy.WriteUInt16(0);
}
else
{
MemoryPosition innerStartObjPosition = innerProxy.GetPosition();
innerProxy.Skip(Size.UInt16);
ToBytes(element, innerProxy);
MemoryPosition innerEndObjPosition = innerProxy.GetPosition();
innerProxy.WriteBackUInt16(innerStartObjPosition, (ushort)(MemoryPosition.CalcLength(innerProxy.SegmentCount, innerStartObjPosition, innerEndObjPosition) - 2));
}
}
MemoryPosition endPosition = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPosition, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPosition, endPosition) - 4);
};
}
else if (!(elementType == typeof(string)) && elementType.GetTypeInfo().IsSerializable)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
else
{
intellectTypeProcessor = IntellectTypeProcessorMapping.Instance.GetProcessor(property.Attribute.Id) ??
IntellectTypeProcessorMapping.Instance.GetProcessor(elementType);
if (intellectTypeProcessor == null)
{
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, elementType));
}
//Add hot cache.
IIntellectTypeProcessor processor = intellectTypeProcessor;
property.CacheProcess = delegate(IMemorySegmentProxy innerProxy, IntellectPropertyAttribute innerAttribute, ToBytesAnalyseResult innerAnalyseResult, object innerTarget, bool innerIsArrayElement, bool innerNullable)
{
Array array = innerAnalyseResult.GetValue <Array>(innerTarget);
if (array == null)
{
if (!innerAttribute.IsRequire)
{
return;
}
throw new PropertyNullValueException(string.Format(ExceptionMessage.EX_PROPERTY_VALUE, innerAttribute.Id, innerAnalyseResult.Property.Name, innerAnalyseResult.Property.PropertyType));
}
//id(1) + total length(4) + rank(4)
innerProxy.WriteByte((byte)innerAttribute.Id);
MemoryPosition startPosition = innerProxy.GetPosition();
innerProxy.Skip(4);
innerProxy.WriteInt32(array.Length);
for (int i = 0; i < array.Length; i++)
{
object element = array.GetValue(i);
if (element == null)
{
innerProxy.WriteUInt16(0);
}
else
{
MemoryPosition innerStartObjPosition = innerProxy.GetPosition();
innerProxy.Skip(Size.UInt16);
processor.Process(innerProxy, innerAttribute, innerAnalyseResult, element, true);
MemoryPosition innerEndObjPosition = innerProxy.GetPosition();
innerProxy.WriteBackUInt16(innerStartObjPosition, (ushort)(MemoryPosition.CalcLength(innerProxy.SegmentCount, innerStartObjPosition, innerEndObjPosition) - 2));
}
}
MemoryPosition endPosition = innerProxy.GetPosition();
innerProxy.WriteBackInt32(startPosition, MemoryPosition.CalcLength(innerProxy.SegmentCount, startPosition, endPosition) - 4);
};
}
property.CacheProcess(proxy, property.Attribute, property, obj, false, false);
property.HasCacheFinished = true;
continue;
}
#endregion
throw new NotSupportedException(string.Format(ExceptionMessage.EX_NOT_SUPPORTED_VALUE, property.Attribute.Id, property.Property.Name, property.Property.PropertyType));
}
MemoryPosition wrapperEndPosition = proxy.GetPosition();
int length = MemoryPosition.CalcLength(proxy.SegmentCount, wrapperStartPosition, wrapperEndPosition);
proxy.WriteBackInt32(wrapperStartPosition, length);
return(length);
}