public (string statement, CommandParameterValues parameterValues) CreateDelete(IId document)
{
var mapping = mappings.Get(document.GetType());
var id = (string)mapping.IdColumn.ReaderWriter.Read(document);
return(CreateDeleteById(mapping, id));
}
public void SelectNodeById(IId iId)
{
if (iId == null)
{
return;
}
int nodeType = 0;
var r = FindNode(iId.Id, iId.GetType());
if (r != null)
{
//TreeView1.SelectedItem = r;
r.IsSelected = true;
ExpandParent(r);
}
}
public (DocumentMap, string, CommandParameterValues) CreateUpdate(IId document, string tableHint)
{
var mapping = mappings.Get(document.GetType());
var updates = string.Join(", ", mapping.IndexedColumns.Select(c => "[" + c.ColumnName + "] = @" + c.ColumnName).Union(new[] { $"[JSON] = @{JsonVariableName}" }));
var statement = $"UPDATE dbo.[{mapping.TableName}] {tableHint ?? ""} SET {updates} WHERE [{mapping.IdColumn.ColumnName}] = @{IdVariableName}";
var parameters = GetDocumentParameters(
m => throw new Exception("Cannot update a document if it does not have an ID"),
document,
mapping,
null
);
statement = AppendRelatedDocumentStatementsForUpdate(statement, parameters, mapping, document);
return(mapping, statement, parameters);
}
/// <summary>
/// Inserts object into database if it doesn't already exist
/// </summary>
/// <returns>True if the object was inserted, otherwise false</returns>
public static async Task <bool> Upload(
IId obj,
IDataApiClient dataApiClient,
bool overwriteIfExists = false)
{
if (overwriteIfExists)
{
await dataApiClient.ReplaceAsync(obj, obj.Id);
return(true);
}
var exists = await dataApiClient.ExistsAsync(obj.GetType().Name, obj.Id);
if (!exists)
{
await dataApiClient.InsertAsync(obj, obj.Id);
}
return(!exists);
}
/// <summary>
/// 获取可视信息
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="entity"></param>
/// <returns></returns>
public static string GetText(this IId entity, Func <IId, string> textFactory = null)
{
if (textFactory != null)
{
return(textFactory(entity));
}
if (entity is IText)
{
return(((IText)entity).Text);
}
var pi = entity.GetType().GetPropertyAny(typeof(string), "DisplayName", "Name", "Description");
if (pi != null)
{
return(pi.GetValue(entity) as string);
}
return(entity.ToString());
}
public static ShortId FromIId(string shortId, IId iid)
{
return(new ShortId(shortId, iid.GetType().Name, iid.Id));
}
public bool Equals(IId other)
{
if (other == null)
{
return(false);
}
if (object.ReferenceEquals(this, other))
{
return(true);
}
if (!(other is DMTId))
{
logger.Error("Comparing incompatible IId implementations. {0} and {1}", typeof(DMTId), other.GetType());
return(false);
}
DMTId other2 = (DMTId)other;
return(this.value.Equals(other2.value));
}
public static DataReference FromIId(IId obj)
{
return(new DataReference(obj.GetType().Name, obj.Id));
}