public virtual IStorageProviderCommand <IEnumerable <DataContainer>, IRdbmsProviderCommandExecutionContext> CreateForDataContainerQuery(IQuery query)
{
ArgumentUtility.CheckNotNull("query", query);
var dbCommandBuilder = CreateDbCommandBuilder(query);
var dataContainerReader = _objectReaderFactory.CreateDataContainerReader();
return(new MultiObjectLoadCommand <DataContainer> (new[] { Tuple.Create(dbCommandBuilder, dataContainerReader) }));
}
public virtual IStorageProviderCommand <ObjectLookupResult <DataContainer>, IRdbmsProviderCommandExecutionContext> CreateForSingleIDLookup(ObjectID objectID)
{
ArgumentUtility.CheckNotNull("objectID", objectID);
var tableDefinition = _tableDefinitionFinder.GetTableDefinition(objectID);
var selectedColumns = tableDefinition.GetAllColumns().ToArray();
var dataContainerReader = _objectReaderFactory.CreateDataContainerReader(tableDefinition, selectedColumns);
var comparedColumns = tableDefinition.ObjectIDProperty.SplitValueForComparison(objectID);
var dbCommandBuilder = _dbCommandBuilderFactory.CreateForSelect(tableDefinition, selectedColumns, comparedColumns, new OrderedColumn[0]);
var loadCommand = new SingleObjectLoadCommand <DataContainer> (dbCommandBuilder, dataContainerReader);
return(new SingleDataContainerAssociateWithIDCommand <IRdbmsProviderCommandExecutionContext> (objectID, loadCommand));
}
protected virtual IStorageProviderCommand <IEnumerable <DataContainer>, IRdbmsProviderCommandExecutionContext> CreateForDirectRelationLookup(
TableDefinition tableDefinition,
RelationEndPointDefinition foreignKeyEndPoint,
ObjectID foreignKeyValue,
SortExpressionDefinition sortExpression)
{
var selectedColumns = tableDefinition.GetAllColumns();
var dataContainerReader = _objectReaderFactory.CreateDataContainerReader(tableDefinition, selectedColumns);
var dbCommandBuilder = _dbCommandBuilderFactory.CreateForSelect(
tableDefinition,
selectedColumns,
GetComparedColumns(foreignKeyEndPoint, foreignKeyValue),
GetOrderedColumns(sortExpression));
return(new MultiObjectLoadCommand <DataContainer> (new[] { Tuple.Create(dbCommandBuilder, dataContainerReader) }));
}