C# Class GeoCache.Cache.InMemoryCache

InMemeory implementation of ICache

Inheritance: ICache

Datei anzeigen Open project: OliveiraThales/GeoCache Class Usage Examples

Public Methods

Method	Description
BuildAllCache ( ) : void	Build the cache for a featureclass
BuildCursor ( IEnumerable geometries ) : void	Build cache based on cursor
BuildEnvelope ( IEnvelope envelope ) : void	Build a cache for a especific featureClass and extent
InMemoryCache ( IRepository repository, IEnvelope fullExtent, string featureClass ) : System	Constructor
RetriveData ( IEnvelope envelop, IList &outerData, IEnvelope &affectedEnvelop ) : bool	Retrive data from cache

Private Methods

Method	Description
AddGeometries ( IEnumerable geometries ) : void	Add geometries to cache
BuildGrid ( IEnvelope envelop ) : void	Build the grid based on Quadtree algorithm
BuildQuarter ( BoundingBox envelope, int level, List &order ) : void	Build a quarter for index
CreateSpatialIndex ( IEnvelope envelop ) : QuadTree	Generates a spatial index for a specified shape file.
GetAllFeatureBoundingBoxes ( IEnvelope envelop ) : IEnumerable	Reads all boundingboxes of features in the shapefile. This is used for spatial indexing.

Method Details

BuildAllCache() public method

Build the cache for a featureclass

public BuildAllCache ( ) : void
return	void

BuildCursor() public method

Build cache based on cursor

public BuildCursor ( IEnumerable geometries ) : void
geometries	IEnumerable	Geometries to add
return	void

BuildEnvelope() public method

Build a cache for a especific featureClass and extent

public BuildEnvelope ( IEnvelope envelope ) : void
envelope	IEnvelope	Envelope
return	void

InMemoryCache() public method

Constructor

public InMemoryCache ( IRepository repository, IEnvelope fullExtent, string featureClass ) : System
repository	IRepository	The repository
fullExtent	IEnvelope	Full Extent
featureClass	string	FeatureClass name
return	System

RetriveData() public method

Retrive data from cache

public RetriveData ( IEnvelope envelop, IList &outerData, IEnvelope &affectedEnvelop ) : bool
envelop	IEnvelope	Envelope for search
outerData	IList	Output data
affectedEnvelop	IEnvelope	Affected envelop in the grid
return	bool