public EntityTableProxy(EntityTable entityTable, IEntityTableSource entityTableSource = null)
{
LoadTable(entityTable, entityTableSource);
}
virtual public void LoadTable(EntityTable EntityTable, IEntityTableSource entityTableSource)
{
SourceProvider = entityTableSource;
Table = EntityTable;
}
static public bool TryGetTable <TEntity>(this IEntityTableSource it, out EntityTableProxy <TEntity> tableProxy, string ns, string tableName, params string[] keys)
{
var selectCond = new EntityRelation(ns, tableName, keys);
return(it.TryGetTable(selectCond, out tableProxy));
}
public EntityRowProxy(EntityRow row, IEntityTableSource sourceProvider)
{
Row = row;
SourceProvider = sourceProvider;
Row.PropertyChanged += new PropertyChangedEventHandler(OnFieldValueChanged);
}
static public TEntity GetEntity <TEntity>(this EntityRow dataRow, IEntityTableSource entityTableSource = null)
{
return(dataRow.GenProxy <TEntity>(entityTableSource).Entity);
}
static public EntityRowProxy <TEntity> GenProxy <TEntity>(this EntityRow dataRow, IEntityTableSource entityTableSource = null)
{
string proxyKey = typeof(EntityRowProxy <TEntity>).FullName;
EntityRowProxy <TEntity> proxy;
if (!dataRow.TryGetCache(proxyKey, out proxy))
{
proxy = new EntityRowProxy <TEntity>(dataRow, entityTableSource);
dataRow.AddCache(proxyKey, proxy);
}
return(proxy);
}
static public EntityTableProxy <TEntity> GenProxy <TEntity>(this EntityTable table, IEntityTableSource entityTableSource = null)
{
return(new EntityTableProxy <TEntity>(table, entityTableSource));
}