Package com.ibm.fhir.search.location

Class NearLocationHandler

java.lang.Object

com.ibm.fhir.search.location.NearLocationHandler

public class NearLocationHandler
extends Object

FHIR Search: Special Location - Positional Searching
Custom processing of the NEAR Location into Bounding Boxes or Bounding Radius.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) boolean	boundingRadius
static double	DEFAULT_DISTANCE
static String	DEFAULT_UNIT
static String	LATITUDE
static String	LONGITUDE
static String	NEAR

Constructor Summary

Constructors

Constructor	Description
NearLocationHandler()

Method Summary

Modifier and Type	Method	Description
BoundingBox	createBoundingBox(double latitude, double longitude, double distance, String unit)	build a bounding box given a latitude, longitude and distance.
Bounding	createBoundingRadius(double latitude, double longitude, double distance, String unit)	create bounding radius.
double	degree2radians(double deg)	degrees to radians
List<Bounding>	generateLocationPositionsFromParameters(List<QueryParameter> queryParameters)	generates location positions for processing from parameters.
double	radians2degrees(double rad)	radians to degrees
void	setBounding(boolean boundingRadius)	overrides the bounding functionality.

Methods inherited from class java.lang.Object

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

Field Detail

LATITUDE

public static final String LATITUDE

See Also:

Constant Field Values

LONGITUDE

public static final String LONGITUDE

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Constant Field Values

NEAR

public static final String NEAR

See Also:

Constant Field Values

DEFAULT_DISTANCE

public static final double DEFAULT_DISTANCE

See Also:

Constant Field Values

DEFAULT_UNIT

public static final String DEFAULT_UNIT

See Also:

Constant Field Values

boundingRadius

boolean boundingRadius

Constructor Detail

NearLocationHandler

public NearLocationHandler()

Method Detail

degree2radians

public double degree2radians(double deg)

degrees to radians

Parameters:

deg -

Returns:

radians2degrees

public double radians2degrees(double rad)

radians to degrees

Parameters:

rad -

Returns:

createBoundingBox

public BoundingBox createBoundingBox(double latitude,
                                     double longitude,
                                     double distance,
                                     String unit)
                              throws FHIRSearchException

build a bounding box given a latitude, longitude and distance.
WGS84 format [latitude]|[longitude]|[distance]|[units]

Parameters:

latitude -

longitude -

distance -

unit -

Returns:

Throws:

FHIRSearchException

generateLocationPositionsFromParameters

public List<Bounding> generateLocationPositionsFromParameters(List<QueryParameter> queryParameters)
                                                       throws FHIRSearchException

generates location positions for processing from parameters.

Parameters:

queryParameters -

Returns:

Throws:

FHIRSearchException

createBoundingRadius

public Bounding createBoundingRadius(double latitude,
                                     double longitude,
                                     double distance,
                                     String unit)
                              throws FHIRSearchException

create bounding radius.

Parameters:

latitude -

longitude -

distance -

unit -

Returns:

Throws:

FHIRSearchException

setBounding

public void setBounding(boolean boundingRadius)

overrides the bounding functionality.

Parameters:

boundingRadius -