protected void SetValue(string propertyName, object value)
{
if (this.RecordState == RecordState.Deleted)
{
throw new InvalidOperationException();
}
if (propertyName == null)
{
throw new ArgumentNullException();
}
var fieldInfo = Resource.GetFieldInfo(typeof(TRecord), propertyName);
if (fieldInfo == null)
{
throw new InvalidDefinitionException();
}
if ((fieldInfo.IsPrimaryKeySegment ||
!fieldInfo.IsModifiable) &&
this.RecordState != RecordState.Detached)
{
throw new InvalidOperationException();
}
fieldInfo.ConvertBack(value, this.DataBuffer);
this.ChangeState(RecordStateTransitions.Modify);
}
public static FieldInfo GetFieldInfo(this BinaryExpression fixedExpression, ParameterExpression argument)
{
FieldInfo result = null;
var memberAccessExpression = fixedExpression.Left as MemberExpression;
if (memberAccessExpression != null &&
memberAccessExpression.Expression.Equals(argument))
{
result = Resource.GetFieldInfo(memberAccessExpression.Member);
}
return(result);
}
protected object GetValue()
{
var method = new StackFrame(1).GetMethod();
var fieldInfo = Resource.GetFieldInfo(method);
if (fieldInfo == null)
{
throw new InvalidDefinitionException();
}
var result = fieldInfo.Convert(this.DataBuffer);
return(result);
}
public static FieldInfo GetField(this Expression expression, ParameterExpression argument)
{
var memberExpression = expression as MemberExpression;
if (memberExpression != null &&
memberExpression.Expression.Equals(argument))
{
return(Resource.GetFieldInfo(memberExpression.Member));
}
else
{
return(null);
}
}
protected object GetValue(string propertyName)
{
if (propertyName == null)
{
throw new ArgumentNullException();
}
var fieldInfo = Resource.GetFieldInfo(typeof(TRecord), propertyName);
if (fieldInfo == null)
{
throw new InvalidDefinitionException();
}
var result = fieldInfo.Convert(this.DataBuffer);
return(result);
}
protected void SetValue(object value)
{
if (this.RecordState == RecordState.Deleted)
{
throw new InvalidOperationException();
}
var method = new StackFrame(1).GetMethod();
var fieldInfo = Resource.GetFieldInfo(method);
if (fieldInfo == null)
{
throw new InvalidDefinitionException();
}
if ((fieldInfo.IsPrimaryKeySegment ||
!fieldInfo.IsModifiable) &&
this.RecordState != RecordState.Detached)
{
throw new InvalidOperationException();
}
fieldInfo.ConvertBack(value, this.DataBuffer);
this.ChangeState(RecordStateTransitions.Modify);
}