de.deepamehta.plugins.geospatial

Class GeospatialPlugin

java.lang.Object

de.deepamehta.core.osgi.PluginActivator

de.deepamehta.plugins.geospatial.GeospatialPlugin

All Implemented Interfaces:

de.deepamehta.core.osgi.PluginContext, de.deepamehta.core.service.event.PostCreateTopicListener, de.deepamehta.core.service.event.PostUpdateTopicListener, de.deepamehta.core.service.event.PreDeleteTopicListener, de.deepamehta.core.service.EventListener, GeospatialService, org.osgi.framework.BundleActivator

public class GeospatialPlugin
extends de.deepamehta.core.osgi.PluginActivator
implements GeospatialService, de.deepamehta.core.service.event.PostCreateTopicListener, de.deepamehta.core.service.event.PostUpdateTopicListener, de.deepamehta.core.service.event.PreDeleteTopicListener

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_GEOMETRY_LAYER_NAME
static String	DEFAULT_POINT_LAYER_NAME
static String	GEO_NODE_PROPERTY_ID

Fields inherited from class de.deepamehta.core.osgi.PluginActivator

bundle, dm4, mf

Constructor Summary

Constructors

Constructor and Description
GeospatialPlugin()

Method Summary

Modifier and Type	Method and Description
com.vividsolutions.jts.geom.Point	createPointByCoordinates(double lon, double lat)
javax.ws.rs.core.Response	doIndexGeometryLayer(String absoluteFile)
javax.ws.rs.core.Response	getGeometryFeatureName(String coordinates) Fetches the name of the geometry (Feature) given a coordinate pair (WGS-84) located within that feature (using neo4j-spatial shapefile).
String	getGeometryFeatureNameByCoordinate(String coordinates)
Object	getGeometryFeatureValueByCoordinate(String coordinates, String key)
List<de.deepamehta.core.Topic>	getTopicsWithinDistance(de.deepamehta.geomaps.model.GeoCoordinate geoCoord, double maxDistanceInKm) Fetches all Geo Coordinate topics within a "given distance" (using neo4j-spatial).
void	init()
void	postCreateTopic(de.deepamehta.core.Topic topic)
void	postUpdateTopic(de.deepamehta.core.Topic topic, de.deepamehta.core.model.TopicModel newModel, de.deepamehta.core.model.TopicModel oldModel)
void	preDeleteTopic(de.deepamehta.core.Topic topic)
boolean	validWGS84Coordinates(de.deepamehta.geomaps.model.GeoCoordinate coords)

Methods inherited from class de.deepamehta.core.osgi.PluginActivator

getBundleContext, getPluginName, getStaticResource, getUri, preInstall, publishFileSystem, serviceArrived, serviceGone, setCoreService, shutdown, start, stop, toString

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_POINT_LAYER_NAME

public static final String DEFAULT_POINT_LAYER_NAME

See Also:

Constant Field Values

DEFAULT_GEOMETRY_LAYER_NAME

public static final String DEFAULT_GEOMETRY_LAYER_NAME

See Also:

Constant Field Values

GEO_NODE_PROPERTY_ID

public static final String GEO_NODE_PROPERTY_ID

See Also:

Constant Field Values

Constructor Detail

GeospatialPlugin

public GeospatialPlugin()

Method Detail

getTopicsWithinDistance

public List<de.deepamehta.core.Topic> getTopicsWithinDistance(de.deepamehta.geomaps.model.GeoCoordinate geoCoord,
                                                              double maxDistanceInKm)

Fetches all Geo Coordinate topics within a "given distance" (using neo4j-spatial).

Specified by:

getTopicsWithinDistance in interface GeospatialService

Parameters:

geoCoord - Coordinate pair

maxDistanceInKm - The maximum distance (e.g 1.3) in kilometers between the given coordinate and a POI.

Returns:

List Topics will be topics of type "dm4.geomaps.geo_coordinate"

getGeometryFeatureName

public javax.ws.rs.core.Response getGeometryFeatureName(String coordinates)

Fetches the name of the geometry (Feature) given a coordinate pair (WGS-84) located within that feature (using neo4j-spatial shapefile).

Parameters:

coordinates - String lat,lng

Returns:

String name

doIndexGeometryLayer

public javax.ws.rs.core.Response doIndexGeometryLayer(String absoluteFile)

Specified by:

doIndexGeometryLayer in interface GeospatialService

getGeometryFeatureNameByCoordinate

public String getGeometryFeatureNameByCoordinate(String coordinates)

Specified by:

getGeometryFeatureNameByCoordinate in interface GeospatialService

getGeometryFeatureValueByCoordinate

public Object getGeometryFeatureValueByCoordinate(String coordinates,
                                                  String key)

Specified by:

getGeometryFeatureValueByCoordinate in interface GeospatialService

createPointByCoordinates

public com.vividsolutions.jts.geom.Point createPointByCoordinates(double lon,
                                                                  double lat)

init

public void init()

Specified by:

init in interface de.deepamehta.core.osgi.PluginContext

Overrides:

init in class de.deepamehta.core.osgi.PluginActivator

validWGS84Coordinates

public boolean validWGS84Coordinates(de.deepamehta.geomaps.model.GeoCoordinate coords)

Specified by:

validWGS84Coordinates in interface GeospatialService

postCreateTopic

public void postCreateTopic(de.deepamehta.core.Topic topic)

Specified by:

postCreateTopic in interface de.deepamehta.core.service.event.PostCreateTopicListener

postUpdateTopic

public void postUpdateTopic(de.deepamehta.core.Topic topic,
                            de.deepamehta.core.model.TopicModel newModel,
                            de.deepamehta.core.model.TopicModel oldModel)

Specified by:

postUpdateTopic in interface de.deepamehta.core.service.event.PostUpdateTopicListener

preDeleteTopic

public void preDeleteTopic(de.deepamehta.core.Topic topic)

Specified by:

preDeleteTopic in interface de.deepamehta.core.service.event.PreDeleteTopicListener