public override void InitByDataLink(DataLink link)
{
base.InitByDataLink(link);
var hasher = System.Security.Cryptography.MD5.Create();
var hashdata = hasher.ComputeHash(System.Text.Encoding.Default.GetBytes($"procedure_unjoin_{TriggerKey}"));
ProcedureName = string.Concat(hashdata.Select(b => b.ToString("x2")).ToArray());
Chain = new Chain(RootType, BasePrefix);
GenerateCreateObjectTrigger = link.CreateObject;
foreach (var p in link.DataLinkParameter.Cast <DataLinkParameter>().Where(p => !p.LinkField))
{
if (!string.IsNullOrEmpty(p.ObjectField) && string.IsNullOrEmpty(p.Expression))
{
Chain.Add(p.ObjectField);
if (!SimpleFields.ContainsKey(p.LayerField))
{
SimpleFields.Add(p.LayerField, p.ObjectField);
}
}
else
{
var expressionField = new MapExpressionField(RootType, p.LayerField, p.Expression);
ExpressionFields.Add(expressionField);
foreach (var path in expressionField.Paths)
{
Chain.Add(path);
}
}
}
}
public override void InitByDataLink(DataLink link)
{
base.InitByDataLink(link);
foreach (var p in link.DataLinkParameter.Cast <DataLinkParameter>().Where(p => !p.LinkField))
{
if (!string.IsNullOrEmpty(p.ObjectField) && string.IsNullOrEmpty(p.Expression))
{
var path = p.ObjectField.LastIndexOf('.') > -1 ? p.ObjectField.Substring(0, p.ObjectField.LastIndexOf('.')) : "";
if (!SimpleFields.Keys.Contains(path))
{
SimpleFields.Add(path, new MapSimpleField(RootType, p.LayerField, p.ObjectField, BasePrefix));
}
else
{
SimpleFields[path].Add(p.LayerField, p.ObjectField);
}
}
else
{
var expressionField = new MapExpressionField(RootType, p.LayerField, p.Expression, BasePrefix);
ExpressionFields.Add(expressionField);
}
}
}
/// <summary>
/// </summary>
public override string SetStatement(MapExpressionField field)
{
return($"SET {field.LayerField}={field.Chain.ReplacePath(field.Paths, field.Expression)}{Environment.NewLine}");
}
/// <summary> /// </summary> public abstract string SetStatement(MapExpressionField field);
