org.deegree.io.datastore.wfs
Class CascadingWFSDatastore

java.lang.Object
  org.deegree.io.datastore.Datastore
      org.deegree.io.datastore.wfs.CascadingWFSDatastore

public class CascadingWFSDatastore
extends Datastore

Datastore that uses a remote WFS instance as backend.

Version:

$Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $

Author:

Andreas Poth, Markus Schneider, Giovanni Zigliara, last edited by: $Author: mschneider $

Constructor Summary

CascadingWFSDatastore()

Method Summary

void	close() Closes the datastore so it can free dependent resources.
CascadingWFSAnnotationDocument	getAnnotationParser() Returns the datastore specific annotation parser.
(package private) WFSCapabilities	getWFSCapabilities(URL wfsBaseURL) Returns the WFSCapabilities for the WFS that can be reached at the given URL.
FeatureCollection	performQuery(Query query, MappedFeatureType[] rootFts) Performs a query against the datastore.
FeatureCollection	performQuery(Query query, MappedFeatureType[] rootFts, DatastoreTransaction context) Performs a query against the datastore (in the given transaction context).

Methods inherited from class org.deegree.io.datastore.Datastore

acquireTransaction, bindSchema, canTransformTo, configure, determineFidsToLock, getConfiguration, getFeatureType, getSchemas, releaseTransaction, transformQuery, transformResult

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CascadingWFSDatastore

public CascadingWFSDatastore()

Method Detail

getAnnotationParser

public CascadingWFSAnnotationDocument getAnnotationParser()

Description copied from class: Datastore

Returns the datastore specific annotation parser.

Specified by:

getAnnotationParser in class Datastore

Returns:

the datastore specific annotation parser

close

public void close()
           throws DatastoreException

Description copied from class: Datastore

Closes the datastore so it can free dependent resources.

Specified by:

close in class Datastore

Throws:

DatastoreException

performQuery

public FeatureCollection performQuery(Query query,
                                      MappedFeatureType[] rootFts,
                                      DatastoreTransaction context)
                               throws DatastoreException,
                                      UnknownCRSException

Description copied from class: Datastore

Performs a query against the datastore (in the given transaction context).

Specified by:

performQuery in class Datastore

Parameters:

query - query to be performed

rootFts - the root feature types that are queried, more than one type means that the types are joined

context - context (used to specify the JDBCConnection, for example)

Returns:

requested feature instances

Throws:

DatastoreException

UnknownCRSException

performQuery

public FeatureCollection performQuery(Query query,
                                      MappedFeatureType[] rootFts)
                               throws DatastoreException,
                                      UnknownCRSException

Description copied from class: Datastore

Performs a query against the datastore.

Specified by:

performQuery in class Datastore

Parameters:

query - query to be performed

rootFts - the root feature types that are queried, more than one type means that the types are joined

Returns:

requested feature instances

Throws:

DatastoreException

UnknownCRSException

getWFSCapabilities

WFSCapabilities getWFSCapabilities(URL wfsBaseURL)
                             throws DatastoreException

Returns the WFSCapabilities for the WFS that can be reached at the given URL.

Parameters:

wfsBaseURL - base URL of the WFS

Returns:

the WFSCapabilities of the WFS

Throws:

DatastoreException