public async Task <BusinessBase> RetreiveObject(ContextProvider contextProvider, string objectName, int dbNumber, string key)
{
string objectKey = ObjectKey(objectName, dbNumber, key);
BusinessBase objResp = await Task.Run(() =>
{
return(contextProvider.BusinessItems.GetOrAdd(objectKey, (theKey) =>
Get(contextProvider, objectName, dbNumber, key, objectKey).Result));
});
return(objResp);
}
public BusinessBase(ContextProvider contextProvider, string objectName = "", int dbNumber = 0)
{
if (objectName == "")
{
objectName = this.ToString().Split('.').Last();
}
this.businessProvider = contextProvider.BusinessProvider;
this.contextProvider = contextProvider;
decorator = businessProvider.GetDecorator(contextProvider, objectName, dbNumber);
dataItem = Decorator.New(this);
}
private BusinessBaseDecorator GetDecoratorInternal(ContextProvider contextProvider, string objectName, int dbNumber)
{
BusinessBaseDecorator decorator;
if (decorators.ContainsKey(objectName))
{
decorator = decorators[objectName].Invoke();
}
else
{
decorator = DefaultBusinessBaseDecorator();
}
decorator.SetProperties(contextProvider, objectName, dbNumber);
return(decorator);
}
public virtual BusinessBase CreateObject(ContextProvider contextProvider, string objectName, int dbNumber = 0)
{
BusinessBase obj;
if (creators.TryGetValue(objectName, out Func <ContextProvider, BusinessBase> creator))
{
obj = creator.Invoke(contextProvider);
if (dbNumber != 0)
{
//obj.ChangeDBNumber(dbNumber);
}
}
else
{
obj = DefaultBusinessBase(contextProvider, objectName, dbNumber);
}
return(obj);
}
private async Task <BusinessBase> Get(ContextProvider contextProvider, string objectName, int dbNumber, string key, string objectKey)
{
byte[] data;
bool readFromDB = true;
BusinessBase obj = CreateObject(contextProvider, objectName, dbNumber);
data = await GetData(objectKey);
if (data != null)
{
try
{
obj.Deserialize(data);
readFromDB = false;
}
catch
{
// Sometimes Redis returns bad data.
}
}
if (readFromDB)
{
if (key != "0" && key[0] != '-')
{
await obj.ReadFromDB(key);
}
else
{
if (!obj.IsNew)
{
await obj.SetNew();
objectKey = obj.Key;
}
}
await StoreObject(obj, objectName);
}
return(obj);
}
public virtual void SetProperties(ContextProvider contextProvider, string objectName, int dbNumber)
{
string tableName = provider.GetDBTableFor(objectName);
this.dbNumber = dbNumber;
this.objectName = objectName;
this.tableName = tableName;
foreach (ColumnDefinition column in contextProvider.DbContext.GetDefinitions(objectName))
{
PropertyDefinition def = new PropertyDefinition(column);
Properties[column.ColumnName] = def;
}
if (Properties.Count == 0)
{
throw new Exception("No Schema found for " + tableName + ".");
}
Singular = "";
foreach (char letter in objectName)
{
if (Singular != "" && letter.ToString().ToUpper() == letter.ToString())
{
Singular += " ";
}
Singular += letter;
}
Plural = Singular + "s";
SetCustomProperties();
PostSetCustomProperties();
}
public virtual FilterBase GetFilter(ContextProvider contextProvider, string filterName)
{
return(new FilterBase(contextProvider, this, DBNumber));
}
public FilterBase(ContextProvider contextProvider, BusinessBaseDecorator decorator, int dbNumber = 0)
{
ContextProvider = contextProvider;
Decorator = decorator;
}
public BusinessBaseDecorator GetDecorator(ContextProvider contextProvider, string name, int dbNumber = 0)
{
return(GetLazyDecorator(contextProvider, name, dbNumber).Value);
}
public bool IsDecoratorCreated(ContextProvider contextProvider, string name, int dbNumber = 0)
{
return(GetLazyDecorator(contextProvider, name, dbNumber).IsValueCreated);
}
public async Task <BusinessBase> RetreiveObject(ContextProvider contextProvider, string objectName, string key)
{
return(await RetreiveObject(contextProvider, objectName, 0, key));
}
public virtual ListTable GetList(ContextProvider contextProvider, string listName = "", string parameter = "")
{
string sql = GetListSQL(contextProvider.DbDialect, listName, parameter);
return(new ListTable(contextProvider, listName, sql, GetParameter(parameter), DBNumber, AllListDescription));
}
