com.github.davidmoten.geo.mem

Class Geomem<T,R>

java.lang.Object

com.github.davidmoten.geo.mem.Geomem<T,R>

Type Parameters:

T - The type of the record with position and time.

R - The type of the id of the record with position and time.

public class Geomem<T,R>
extends Object

Provides fast concurrent querying using in memory ConcurrentSkipListMaps and geohash to store data with time and position. Depends on guava library.

Author:

dxm

Constructor Summary

Constructors

Constructor and Description
Geomem()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(double lat, double lon, long time, T t) Adds a record to the in-memory store with the given position and time.
void	add(double lat, double lon, long time, T t, com.google.common.base.Optional<R> id) Adds a record to the in-memory store with the given position and time and id.
void	add(double lat, double lon, long time, T t, R id) * Adds a record to the in-memory store with the given position and time and id.
void	add(Info<T,R> info) Adds a record to the in-memory store with the given position, time and id.
Iterable<Info<T,R>>	find(double topLeftLat, double topLeftLong, double bottomRightLat, double bottomRightLong, long start, long finish) Returns as an Iterable the results of a search within the bounding box given and where start <=time < finish.

Methods inherited from class java.lang.Object

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

Constructor Detail

Geomem

public Geomem()

Method Detail

find

public Iterable<Info<T,R>> find(double topLeftLat,
                       double topLeftLong,
                       double bottomRightLat,
                       double bottomRightLong,
                       long start,
                       long finish)

Returns as an Iterable the results of a search within the bounding box given and where start <=time < finish.

Parameters:

topLeftLat -

topLeftLong -

bottomRightLat -

bottomRightLong -

start -

finish -

Returns:

add

public void add(double lat,
       double lon,
       long time,
       T t)

Adds a record to the in-memory store with the given position and time. Id is same as t.

Parameters:

lat -

lon -

time -

t -

add

public void add(double lat,
       double lon,
       long time,
       T t,
       R id)

* Adds a record to the in-memory store with the given position and time and id.

Parameters:

lat -

lon -

time -

t -

id -

add

public void add(double lat,
       double lon,
       long time,
       T t,
       com.google.common.base.Optional<R> id)

Adds a record to the in-memory store with the given position and time and id.

Parameters:

lat -

lon -

time -

t -

id -

add

public void add(Info<T,R> info)

Adds a record to the in-memory store with the given position, time and id.

Parameters:

info -