C# Class MapAround.DataProviders.SqlSpatialDataProvider

Maparound.DataProviders.SqlSpatialDataProvider is the base class for the spatial data providers from SQL servers which hasn't native spatial data types and functions.

Inheritance: SpatialDataProviderBase

ファイルを表示 Open project: gkrsu/maparound.core

Public Methods

Method	Description
FillDataTable ( IEnumerable features ) : void	Fills a data table with features.
QueryFeatures ( IFeatureReceiver receiver ) : int	Adds features retrieved from the data source to the receiver.
QueryFeatures ( IFeatureReceiver receiver, BoundingRectangle bounds ) : int	Adds features retrieved from the data source to the receiver.

Protected Methods

Method	Description
GetCommand ( ) : DbCommand	Gets a DbCommand corresponding to the sql server with assighed connection.
InternalQueryFeatures ( IFeatureReceiver fr, string commandText ) : int	Adds features from the command to the receiver.

Private Methods

Method	Description
addFeatureToReceiver ( IFeatureReceiver fr, string uniqKey, string title, byte spatialData ) : bool
addParameter ( DbCommand command, string paramName, object paramValue ) : void
getBoundsConditionString ( BoundingRectangle bounds ) : string
getSelectString ( ) : string
getSelectString ( BoundingRectangle bounds ) : string
insertFeatureIntoDataTable ( Feature feature, DbCommand command ) : void

Method Details

FillDataTable() public method

Fills a data table with features.

public FillDataTable ( IEnumerable features ) : void
features	IEnumerable	Enumarator of features
return	void

GetCommand() protected abstract method

Gets a DbCommand corresponding to the sql server with assighed connection.

protected abstract GetCommand ( ) : DbCommand
return	System.Data.Common.DbCommand

InternalQueryFeatures() protected method

Adds features from the command to the receiver.

protected InternalQueryFeatures ( IFeatureReceiver fr, string commandText ) : int
fr	IFeatureReceiver	Object that receives features
commandText	string	Sql command text
return	int

QueryFeatures() public method

Adds features retrieved from the data source to the receiver.

public QueryFeatures ( IFeatureReceiver receiver ) : int
receiver	IFeatureReceiver	An object that receives features
return	int

QueryFeatures() public method

Adds features retrieved from the data source to the receiver.

public QueryFeatures ( IFeatureReceiver receiver, BoundingRectangle bounds ) : int
receiver	IFeatureReceiver	An object that receives features
bounds	BoundingRectangle	Rectangular region you want to fill with the objects
return	int