/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query,
DataProviderBase provider,
DbTransaction transactionContext)
where TModel : DataModel
{
return(LoadMany(query, false, provider, transactionContext));
}
/// <summary>
/// Loads an instance of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static TModel Load <TModel>(DataModelQuery <TModel> query, int?depth, DataProviderBase provider,
DbTransaction transactionContext) where TModel : DataModel
{
TModel ret = depth.HasValue
? provider.DeepLoadModel(query, depth, transactionContext)
: provider.DeepLoadModel(query, transactionContext);
return(ret);
}
/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query, int?depth,
DataProviderBase provider,
DbTransaction transactionContext)
where TModel : DataModel
{
DataModelCollection <TModel> ret = depth.HasValue
? provider.DeepLoadModels(query, depth, transactionContext)
: provider.DeepLoadModels(query, transactionContext);
return(ret);
}
/// <summary>
/// Clears out the internal reference to the originating <see cref="DataModelQuery"/>
/// to remove the circular reference
/// and then returns that Query to the caller.
/// </summary>
/// <returns></returns>
protected virtual DataModelQuery <TModel> NullifyAndReturnQuery()
{
var q = _returnQuery;
if (q == null)
{
return(null);
}
_returnQuery = null;
q.Conditions.Add(this);
return(q);
}
/// <summary>
/// Loads an instance of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static TModel Load <TModel>(DataModelQuery <TModel> query, bool deep, DataProviderBase provider,
DbTransaction transactionContext) where TModel : DataModel
{
if (provider == null)
{
provider = ProviderDefaults.AppProvider;
}
if (deep)
{
return(Load(query, null, provider, transactionContext));
}
TModel ret = provider.LoadModel(query, transactionContext);
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, bool deep,
DataProviderBase provider, DbTransaction transactionContext)
{
if (provider == null)
{
provider = ProviderDefaults.AppProvider;
}
if (deep)
{
return(LoadMany(query, null, provider, transactionContext));
}
var col = provider.LoadModels(query, transactionContext);
var ret = new DataModelCollection <DataModel <TEntity> >(col);
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public new static DataModel <TEntity> Load <TModel>(DataModelQuery <TModel> query, int?depth,
DataProviderBase provider, DbTransaction transactionContext)
where TModel : DataModel <TEntity>
{
TModel ret;
if (depth.HasValue)
{
ret = provider.DeepLoadModel(query, depth, transactionContext);
}
else
{
ret = provider.DeepLoadModel(query, transactionContext);
}
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="depth"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, int?depth,
DataProviderBase provider, DbTransaction transactionContext)
{
DataModelCollection <DataModel <TEntity> > col;
if (depth.HasValue)
{
col = provider.DeepLoadModels(query, depth, transactionContext);
}
else
{
col = provider.DeepLoadModels(query, transactionContext);
}
var ret = new DataModelCollection <DataModel <TEntity> >(col);
return(ret);
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public new static DataModel <TEntity> Load <TModel>(DataModelQuery <TModel> query, DataProviderBase provider,
DbTransaction transactionContext)
where TModel : DataModel <TEntity>
{
return(Load(query, false, provider, transactionContext));
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public new static DataModel <TEntity> Load <TModel>(DataModelQuery <TModel> query, bool deep,
DataProviderBase provider) where TModel : DataModel <TEntity>
{
return(Load(query, deep, provider, null));
}
/// <summary>
/// Loads an instance of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static TModel Load <TModel>(DataModelQuery <TModel> query, DataProviderBase provider,
DbTransaction transactionContext) where TModel : DataModel
{
return(Load(query, false, provider, transactionContext));
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, bool deep,
DataProviderBase provider)
{
return(LoadMany(query, deep, provider, null));
}
/// <summary>
/// Loads all instances of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="deep"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadAll(bool deep, DbTransaction transactionContext)
{
var query = new DataModelQuery <DataModel <TEntity> >();
return(query.SelectMany(deep, transactionContext));
}
/// <summary>
/// Loads all instances of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadAll(DbDataProvider provider, DbTransaction transactionContext)
{
var query = new DataModelQuery <DataModel <TEntity> >();
return(query.SelectMany(provider, transactionContext));
}
/// <summary>
/// Loads all instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="deep"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadAll <TModel>(bool deep, DbTransaction transactionContext) where TModel : DataModel
{
var query = new DataModelQuery <TModel>();
return(query.SelectMany(deep, transactionContext));
}
/// <summary>
/// Loads all instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadAll <TModel>(bool deep, DbDataProvider provider) where TModel : DataModel
{
var query = new DataModelQuery <TModel>();
return(query.SelectMany(deep, provider));
}
/// <summary>
/// Loads all instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadAll <TModel>(DbDataProvider provider, DbTransaction transactionContext) where TModel : DataModel
{
var query = new DataModelQuery <TModel>();
return(query.SelectMany(provider, transactionContext));
}
/// <summary>
/// Loads all instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <returns></returns>
public static DataModelCollection <TModel> LoadAll <TModel>() where TModel : DataModel
{
var query = new DataModelQuery <TModel>();
return(query.SelectMany());
}
/// <summary>
/// Loads an instance of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <returns></returns>
public static TModel Load <TModel>(DataModelQuery <TModel> query) where TModel : DataModel
{
return(Load(query, false, null, null));
}
/// <summary>
/// Loads all instances of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadAll()
{
var query = new DataModelQuery <DataModel <TEntity> >();
return(query.SelectMany());
}
/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query)
where TModel : DataModel
{
return(LoadMany(query, false, null, null));
}
/// <summary>
/// Loads all instances of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadAll(bool deep, DbDataProvider provider)
{
var query = new DataModelQuery <DataModel <TEntity> >();
return(query.SelectMany(deep, provider));
}
/// <summary>
/// Loads instances of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static DataModelCollection <TModel> LoadMany <TModel>(DataModelQuery <TModel> query, bool deep,
DataProviderBase provider) where TModel : DataModel
{
return(LoadMany(query, deep, provider, null));
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query)
{
return(LoadMany(query, false, null, null));
}
/// <summary>
/// Constructs a QueryCondition<T> object using the specified
/// parameters for describing the nature and for binding to the query.
/// </summary>
/// <param name="mapBy"></param>
/// <param name="query"></param>
// ReSharper disable SuggestBaseTypeForParameter
public DataModelQueryCondition(FieldMappingKeyType mapBy, DataModelQuery <TModel> query)
// ReSharper restore SuggestBaseTypeForParameter
{
_returnQuery = query;
FindFieldMappingBy = mapBy;
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <param name="query"></param>
/// <param name="provider"></param>
/// <param name="transactionContext"></param>
/// <returns></returns>
public static DataModelCollection <DataModel <TEntity> > LoadMany(DataModelQuery <DataModel <TEntity> > query, DataProviderBase provider,
DbTransaction transactionContext)
{
return(LoadMany(query, false, provider, transactionContext));
}
/// <summary>
/// This is a syntactical sugar constructor.
/// Used for chaining, allows <see cref="OfItemsPerPage"/> to
/// return the query after the items count has been specified,
/// while also setting the page number.
/// </summary>
/// <param name="query"></param>
public QueryPagination(DataModelQuery <TModel> query)
{
_query = query;
}
/// <summary>
/// Loads an instance of <see cref="DataModel{TEntity}"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <returns></returns>
public new static DataModel <TEntity> Load <TModel>(DataModelQuery <TModel> query)
where TModel : DataModel <TEntity>
{
return(Load(query, false, null, null));
}
/// <summary>
/// Loads an instance of <typeparamref name="TModel"/>.
/// </summary>
/// <typeparam name="TModel"></typeparam>
/// <param name="query"></param>
/// <param name="deep"></param>
/// <param name="provider"></param>
/// <returns></returns>
public static TModel Load <TModel>(DataModelQuery <TModel> query, bool deep, DataProviderBase provider)
where TModel : DataModel
{
return(Load(query, deep, provider, null));
}