/// <summary>
/// 设置指定索引位置的复杂属性值。
/// </summary>
/// <param name="source">设置对象。</param>
/// <param name="index">属性相应的索引。</param>
/// <param name="value">设置的值。</param>
internal void SetComplexProperty(object source, int index, object value)
{
if (ClrType.IsAnonymous())
{
throw new InvalidOperationException(Res.ExceptionAnonymousObjectPropertyIsReadOnly);
}
if (SetComplexPropertyMethod == null)
{
SetComplexPropertyMethod = (Action <object, int, object>) new SetComplexPropertyGenerator(this).Compile();
}
SetComplexPropertyMethod(source, index, value);
}
/// <summary>
/// 根据属性索引列表加载指定的值到目标对象。
/// </summary>
/// <param name="data">数据内容。</param>
/// <param name="indexs">赋值索引列表，按属性的排列顺序依次获取指定<see cref="DbDataReader"/>
/// 索引处的值，若索引为 -1 则表示忽略该属性。</param>
/// <param name="target">目标对象。</param>
internal void ModifyProperty(object[] data, int[] indexs, object target)
{
if (ClrType.IsAnonymous())
{
throw new InvalidOperationException(Res.ExceptionAnonymousObjectPropertyIsReadOnly);
}
if (ModifyPrimaryProperty2Method == null)
{
ModifyPrimaryProperty2Method = (Action <object[], int[], object>) new ModifyPrimaryProperty2Generator(this).Compile();
}
ModifyPrimaryProperty2Method(data, indexs, target);
}
/// <summary>
/// 根据属性索引列表加载<see cref="DbDataReader"/>的数据到目标对象。
/// </summary>
/// <param name="reader">数据读取对象。</param>
/// <param name="indexs">赋值索引列表，按属性的排列顺序依次获取指定<see cref="DbDataReader"/>
/// 索引处的值，若索引为 -1 则表示忽略该属性。</param>
/// <param name="target">目标对象。</param>
public void ModifyProperty(DbDataReader reader, int[] indexs, object target)
{
if (ClrType.IsAnonymous())
{
throw new InvalidOperationException(Res.ExceptionAnonymousObjectPropertyIsReadOnly);
}
if (ModifyPrimaryPropertyMethod == null)
{
ModifyPrimaryPropertyMethod = (Action <DbDataReader, int[], object>) new ModifyPrimaryPropertyGenerator(this).Compile();
}
ModifyPrimaryPropertyMethod(reader, indexs, target);
}
/// <summary>
/// 使用<see cref="DbDataReader"/>中的数据创建当前类型实例。
/// </summary>
/// <param name="reader">数据读取器。</param>
/// <param name="fields">字段索引列表。</param>
/// <param name="complexs">读取值的暂存数组。</param>
/// <returns></returns>
internal object CreateInstance(DbDataReader reader, int[] fields, object[] complexs)
{
if (KeyIndexs != null && reader.IsDBNull(fields[KeyIndexs[0]]))
{
return(null);
}
if (CreateInstanceMethod == null)
{
if (ClrType.IsAnonymous())
{
CreateInstanceMethod = (Func <DbDataReader, int[], object[], object>) new CreateAnonymousInstanceGenerator(this).Compile();
}
else
{
CreateInstanceMethod = (Func <DbDataReader, int[], object[], object>) new CreateSimpleInstanceGenerator(this).Compile();
}
}
return(CreateInstanceMethod(reader, fields, complexs));
}