forked from community/device-mgt-core
Gathika94
7 years ago
parent
bde0965efe
commit
4eb66f4e6b
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package org.wso2.carbon.device.mgt.core.geo;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.device.mgt.common.Device;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.device.details.DeviceLocation;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceDetailsMgtException;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceInformationManager;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.impl.DeviceInformationManagerImpl;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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public class GeoGrid {
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private static Log log = LogFactory.getLog(GeoRectangle.class);
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DeviceInformationManager deviceInformationManagerService = new DeviceInformationManagerImpl();
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private int horizontalDivisions;
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private int verticalDivisions;
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private double minLat;
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private double maxLat;
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private double minLong;
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private double maxLong;
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private double latDistance;
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private double longitudeDistance;
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private double latIncrement;
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private double longIncrement;
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private ArrayList<GeoRectangle> geoRectangles = new ArrayList<>();
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public GeoGrid(int horizontalDivisions, int verticalDivisions, double minLat, double maxLat, double minLong,
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double maxLong) {
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this.horizontalDivisions = horizontalDivisions;
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this.verticalDivisions = verticalDivisions;
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this.minLat = minLat;
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this.maxLat = maxLat;
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this.minLong = minLong;
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this.maxLong = maxLong;
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this.latDistance = maxLat - minLat;
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this.longitudeDistance = maxLong - minLong;
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this.latIncrement = this.latDistance / this.horizontalDivisions;
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this.longIncrement = this.longitudeDistance / this.verticalDivisions;
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this.createGeoRectangles();
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}
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private void createGeoRectangles() {
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double minRectangleLat;
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double maxRectangleLat;
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double minRectangleLong;
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double maxRectangleLong;
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for (int i = 0; i < verticalDivisions; i++) {
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minRectangleLong = this.minLong + i * longIncrement;
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if (i + 1 == verticalDivisions) {
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maxRectangleLong = this.maxLong;
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} else {
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maxRectangleLong = this.minLong + (i + 1) * longIncrement;
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}
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for (int m = 0; m < horizontalDivisions; m++) {
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minRectangleLat = this.minLat + m * latIncrement;
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maxRectangleLat = this.minLat + (m + 1) * latIncrement;
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geoRectangles.add(new GeoRectangle(minRectangleLat, maxRectangleLat, minRectangleLong, maxRectangleLong));
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}
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}
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}
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public ArrayList<GeoRectangle> getGeoRectangles() {
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return geoRectangles;
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}
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public ArrayList<Device> getDevicesInGeoGrid(List<Device> devices) {
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ArrayList<Device> devicesInGeoGrid = new ArrayList<>();
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for (Device device : devices) {
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DeviceLocation location = null;
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DeviceIdentifier deviceIdentifier = new DeviceIdentifier(device.getDeviceIdentifier(), device.getType());
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try {
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location = deviceInformationManagerService.getDeviceLocation(deviceIdentifier);
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} catch (DeviceDetailsMgtException e) {
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String msg = "Exception occurred while retrieving device location." + deviceIdentifier;
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log.error(msg, e);
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return devicesInGeoGrid;
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}
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double locationLat = location.getLatitude();
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double locationLong = location.getLongitude();
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if (locationLat >= minLat && locationLat < maxLat && locationLong >= minLong && locationLong < maxLong) {
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devicesInGeoGrid.add(device);
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}
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}
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return devicesInGeoGrid;
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}
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public ArrayList<GeoRectangle> placeDevicesInGeoRectangles(ArrayList<Device> devicesInGeoGrid) {
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ArrayList<Device> remainingDevicesInGeoGrid = devicesInGeoGrid;
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for (GeoRectangle geoRectangle : geoRectangles) {
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Iterator<Device> remainingDevicesIterator = remainingDevicesInGeoGrid.iterator();
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while (remainingDevicesIterator.hasNext()) {
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Device currentDevice = remainingDevicesIterator.next();
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if (geoRectangle.isDeviceInGeoRectangle(currentDevice)) {
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geoRectangle.addDevice(currentDevice);
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}
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}
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}
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return geoRectangles;
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}
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}
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@ -0,0 +1,129 @@
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/*
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* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* you may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.mgt.core.geo;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.wso2.carbon.device.mgt.common.Device;
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import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
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import org.wso2.carbon.device.mgt.common.device.details.DeviceLocation;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceDetailsMgtException;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.DeviceInformationManager;
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import org.wso2.carbon.device.mgt.core.device.details.mgt.impl.DeviceInformationManagerImpl;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class GeoRectangle{
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private double minLat;
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private double maxLat;
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private double minLong;
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private double maxLong;
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private ArrayList<Device> devices=new ArrayList<>();
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DeviceInformationManager deviceInformationManagerService = new DeviceInformationManagerImpl();
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private static Log log = LogFactory.getLog(GeoRectangle.class);
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public GeoRectangle(double minLat, double maxLat, double minLong, double maxLong){
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this.minLat=minLat;
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this.maxLat=maxLat;
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this.minLong=minLong;
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this.maxLong=maxLong;
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}
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public Map<String, Double> getCenter(){
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Map<String,Double> centerCordinates = new HashMap<String,Double>();
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double centerLat = (minLat+maxLat)/2;
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double centerLong = (minLong+maxLong)/2;
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centerCordinates.put("Lat",centerLat);
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centerCordinates.put("Long",centerLong);
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return centerCordinates;
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}
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public boolean isDeviceInGeoRectangle(Device device){
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DeviceIdentifier deviceIdentifier = new DeviceIdentifier(device.getDeviceIdentifier(),device.getType());
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try {
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DeviceLocation location = deviceInformationManagerService.getDeviceLocation(deviceIdentifier);
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double locationLat = location.getLatitude();
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double locationLong = location.getLongitude();
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if(locationLat >= minLat && locationLat < maxLat && locationLong >= minLong && locationLong<maxLong){
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return true;
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}else{
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return false;
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}
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} catch (DeviceDetailsMgtException e) {
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String msg = "Exception occurred while retrieving device location."+deviceIdentifier;
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log.error(msg,e);
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return false;
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}
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}
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public void addDevice(Device device){
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devices.add(device);
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}
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public List<Device> getDevices(){
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return devices;
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}
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public int getDeviceCount(){
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return devices.size();
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}
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public double getMinLat() {
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return minLat;
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}
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public void setMinLat(double minLat) {
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this.minLat = minLat;
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}
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public double getMaxLat() {
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return maxLat;
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}
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public void setMaxLat(double maxLat) {
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this.maxLat = maxLat;
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}
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public double getMinLong() {
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return minLong;
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}
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public void setMinLong(double minLong) {
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this.minLong = minLong;
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}
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public double getMaxLong() {
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return maxLong;
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}
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public void setMaxLong(double maxLong) {
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this.maxLong = maxLong;
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}
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}
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