/**
* Deletes a meeting from the database
*
* <p>- Requires a cookie for the session user - Requires a meetingId request parameter for the
* HTTP GET
*
* @param req The HTTP Request
* @param res The HTTP Response
*/
public void deletemeetingAction(HttpServletRequest req, HttpServletResponse res) {
// Ensure there is a cookie for the session user
if (AccountController.redirectIfNoCookie(req, res)) return;
if (req.getMethod() == HttpMethod.Get) {
// Get the meeting
int meetingId = Integer.parseInt(req.getParameter("meetingId"));
MeetingManager meetingMan = new MeetingManager();
Meeting meeting = meetingMan.get(meetingId);
meetingMan.deleteMeeting(meetingId);
// Update the User Session to remove meeting
HttpSession session = req.getSession();
Session userSession = (Session) session.getAttribute("userSession");
List<Meeting> adminMeetings = userSession.getUser().getMeetings();
for (int i = 0; i < adminMeetings.size(); i++) {
Meeting m = adminMeetings.get(i);
if (m.getId() == meeting.getId()) {
adminMeetings.remove(i);
break;
}
}
redirectToLocal(req, res, "/home/dashboard");
return;
} else if (req.getMethod() == HttpMethod.Post) {
httpNotFound(req, res);
}
}
protected static boolean checkIdle(final Point p) throws NimbitsException {
final Calendar c = Calendar.getInstance();
c.add(Calendar.SECOND, p.getIdleSeconds() * -1);
boolean retVal = false;
final List<Entity> result =
EntityServiceFactory.getInstance()
.getEntityByKey(
UserServiceFactory.getServerInstance().getAdmin(), p.getOwner(), EntityType.user);
if (!result.isEmpty()) {
final User u = (User) result.get(0);
final List<Value> v = ValueServiceFactory.getInstance().getCurrentValue(p);
if (p.getIdleSeconds() > 0
&& !v.isEmpty()
&& v.get(0).getTimestamp().getTime() <= c.getTimeInMillis()
&& !p.getIdleAlarmSent()) {
p.setIdleAlarmSent(true);
EntityServiceFactory.getInstance().addUpdateEntity(u, p);
// PointServiceFactory.getInstance().updatePoint(u, p);
final Value va = ValueFactory.createValueModel(v.get(0), AlertType.IdleAlert);
SubscriptionServiceFactory.getInstance().processSubscriptions(u, p, va);
retVal = true;
}
}
return retVal;
}
public File doAttachment(HttpServletRequest request)
throws ServletException, IOException {
File file = null;
DiskFileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
try {
List<?> items = upload.parseRequest(request);
Iterator<?> itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
if (item.isFormField()) {
parameters
.put(item.getFieldName(), item.getString("UTF-8"));
} else {
File tempFile = new File(item.getName());
file = new File(sc.getRealPath("/") + savePath, tempFile
.getName());
item.write(file);
}
}
} catch (Exception e) {
Logger logger = Logger.getLogger(SendAttachmentMailServlet.class);
logger.error("邮件发送出了异常", e);
}
return file;
}
public ActionForward execute(
ActionMapping mapping, ActionForm form, HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
try {
GpsImportForm gpsForm = (GpsImportForm) form;
User user = (User) req.getSession().getAttribute("user");
int entryId = gpsForm.getEntryId();
String fileName = gpsForm.getFileName();
String title = gpsForm.getTitle();
String activityId = gpsForm.getActivityId();
String xml = gpsForm.getXml();
log.debug(xml);
List<GpsTrack> tracks = new TcxParser().parse(xml.getBytes());
GpsTrack track = tracks.get(0); // Horrible hack.
createAttachment(user, entryId, fileName, title, activityId, track);
createGeotag(fileName, track);
req.setAttribute("status", "success");
req.setAttribute("message", "");
log.debug("Returning status: success.");
return mapping.findForward("results");
} catch (Exception e) {
log.fatal("Error processing incoming Garmin XML", e);
req.setAttribute("status", "failure");
req.setAttribute("message", e.toString());
return mapping.findForward("results");
}
}
public List getUserListAT() {
List<Map> list = new ArrayList<Map>();
String[][] data = {
{"3537255778", "Alex Chen"},
{"2110989338", "Brian Wang"},
{"3537640807", "David Hsieh"},
{"5764816553", "James Yu"},
{"3756404948", "K.C."},
{"2110994764", "Neil Weinstock"},
{"6797798390", "Owen Chen"},
{"3831206627", "Randy Chen"},
{"6312460903", "Tony Shen"},
{"2110993498", "Yee Liaw"}
};
for (int i = 0; i < data.length; i++) {
Map map = new HashMap();
String userRef = data[i][0];
String userName = data[i][1];
map.put("userObjectId", userRef);
map.put("userName", userName);
list.add(map);
}
return list;
}
private int[] getSelectedRows(int[] selectedRowsNumber, Map[] selectedRowsKeys, Tab tab) {
if (selectedRowsKeys == null || selectedRowsKeys.length == 0) return new int[0];
// selectedRowsNumber is the most performant so we use it when possible
else if (selectedRowsNumber.length == selectedRowsKeys.length) return selectedRowsNumber;
else {
// find the rows from the selectedKeys
// This has a poor performance, but it covers the case when the selected
// rows are not loaded for the tab, something that can occurs if the user
// select rows and afterwards reorder the list.
try {
int[] s = new int[selectedRowsKeys.length];
List selectedKeys = Arrays.asList(selectedRowsKeys);
int end = tab.getTableModel().getTotalSize();
int x = 0;
for (int i = 0; i < end; i++) {
Map key = (Map) tab.getTableModel().getObjectAt(i);
if (selectedKeys.contains(key)) {
s[x] = i;
x++;
}
}
return s;
} catch (Exception ex) {
log.warn(XavaResources.getString("fails_selected"), ex);
throw new XavaException("fails_selected");
}
}
}
/**
* 计算测试元组与训练元组之前的距离
*
* @param test 测试元组
* @param trainTuple 训练元组
* @return 距离值
*/
public double getDistance(List<Double> test, List<Double> trainTuple) {
double distance = 0.00;
for (int i = 0; i < 13; i++) {
distance += (test.get(i) - trainTuple.get(i)) * (test.get(i) - trainTuple.get(i));
}
return distance;
}
public static boolean isZero(List list, String col) {
if (list == null) {
return false;
}
boolean b = false;
int i, num = 0;
String v = null;
Map m = null;
double dv = 0;
num = list.size();
for (i = 0; i < num; i++) {
m = (Map) list.get(i);
v = (String) m.get(col);
// if(f.empty(v)){return true;}
if (f.empty(v)) {
continue;
}
// System.out.println(v);
v = f.v(v);
dv = f.getDouble(v, 0);
// if(dv==0){return true;}
if (dv > 0) {
return false;
}
b = true;
}
return b;
}
public static UIComponent findPersistent(
FacesContext context, ServletRequest req, UIComponent parent, String id) throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
BodyContent body = null;
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
body = parentTag.getBodyContent();
}
if (parent != null) {
List<UIComponent> children = parent.getChildren();
int size = children.size();
String prevId = null;
for (int i = 0; i < size; i++) {
UIComponent child = children.get(i);
if (id.equals(child.getId())) {
if (body != null) addVerbatim(parent, prevId, body);
return child;
}
if (child.getId() != null) prevId = child.getId();
}
}
return null;
}
protected List<AbstractSession> filterByUserPrincipal(
Collection<AbstractSession> values, Principal userPrincipal) throws IOException {
List<AbstractSession> res = null;
{
if (values != null) {
res = new ArrayList<AbstractSession>();
for (AbstractSession session : values) {
expandSessionPrincipal(session);
}
if (userPrincipal == null) {
for (AbstractSession session : values) {
Principal p = session.getUserPrincipal();
if (p == null) {
res.add(session);
}
}
} else {
for (AbstractSession session : values) {
Principal p = session.getUserPrincipal();
if (PrincipalUtil.equalsIgnoreRealm(userPrincipal, p)) {
res.add(session);
}
}
}
}
}
return res;
}
public void init() throws ServletException {
super.init();
// allow = ThreddsConfig.getBoolean("NetcdfSubsetService.allow", true);
// String radarLevel2Dir = ThreddsConfig.get("NetcdfSubsetService.radarLevel2DataDir",
// "/data/ldm/pub/native/radar/level2/");
// if (!allow) return;
contentPath = ServletUtil.getContentPath();
rm = new RadarMethods(contentPath, logServerStartup);
// read in radarCollections.xml catalog
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false); // no validation
cat = readCatalog(factory, getPath() + catName, contentPath + getPath() + catName);
if (cat == null) {
logServerStartup.info("cat initialization failed");
return;
}
// URI tmpURI = cat.getBaseURI();
cat.setBaseURI(catURI);
// get path and location from cat
List parents = cat.getDatasets();
for (int i = 0; i < parents.size(); i++) {
InvDataset top = (InvDataset) parents.get(i);
datasets = top.getDatasets(); // dataset scans
for (int j = 0; j < datasets.size(); j++) {
InvDatasetScan ds = (InvDatasetScan) datasets.get(j);
if (ds.getPath() != null) {
dataLocation.put(ds.getPath(), ds.getScanLocation());
logServerStartup.info("path =" + ds.getPath() + " location =" + ds.getScanLocation());
}
ds.setXlinkHref(ds.getPath() + "/dataset.xml");
}
}
logServerStartup.info(getClass().getName() + " initialization complete ");
} // end init
/**
* Returns the values of the named parameter as a String array, or null if the parameter was not
* sent. The array has one entry for each parameter field sent. If any field was sent without a
* value that entry is stored in the array as a null. The values are guaranteed to be in their
* normal, decoded form. A single value is returned as a one-element array.
*
* @param name the parameter name.
* @return the parameter values.
*/
public String[] getParameterValues(String name) {
List<String> values = parameters.get(name);
if (values == null || values.size() == 0) {
return null;
} else {
return values.toArray(new String[values.size()]);
}
}
/**
* Returns paths constructed by rewriting pathInfo using rules from the hosted site's mappings.
* Paths are ordered from most to least specific match.
*
* @param site The hosted site.
* @param pathInfo Path to be rewritten.
* @param queryString
* @return The rewritten path. May be either:
* <ul>
* <li>A path to a file in the Orion workspace, eg. <code>/ProjectA/foo/bar.txt</code>
* <li>An absolute URL pointing to another site, eg. <code>http://foo.com/bar.txt</code>
* </ul>
*
* @return The rewritten paths.
* @throws URISyntaxException
*/
private URI[] getMapped(IHostedSite site, IPath pathInfo, String queryString)
throws URISyntaxException {
final Map<String, List<String>> map = site.getMappings();
final IPath originalPath = pathInfo;
IPath path = originalPath.removeTrailingSeparator();
List<URI> uris = new ArrayList<URI>();
String rest = null;
final int count = path.segmentCount();
for (int i = 0; i <= count; i++) {
List<String> base = map.get(path.toString());
if (base != null) {
rest = originalPath.removeFirstSegments(count - i).toString();
for (int j = 0; j < base.size(); j++) {
URI uri =
rest.equals("") ? new URI(base.get(j)) : URIUtil.append(new URI(base.get(j)), rest);
uris.add(
new URI(
uri.getScheme(),
uri.getUserInfo(),
uri.getHost(),
uri.getPort(),
uri.getPath(),
queryString,
uri.getFragment()));
}
}
path = path.removeLastSegments(1);
}
if (uris.size() == 0)
// No mapping for /
return null;
else return uris.toArray(new URI[uris.size()]);
}
/**
* Returns the value of the named parameter as a String, or null if the parameter was not sent or
* was sent without a value. The value is guaranteed to be in its normal, decoded form. If the
* parameter has multiple values, only the last one is returned (for backward compatibility). For
* parameters with multiple values, it's possible the last "value" may be null.
*
* @param name the parameter name.
* @return the parameter value.
*/
public String getParameter(String name) {
try {
List<String> values = parameters.get(name);
if (values == null || values.size() == 0) {
return null;
}
return values.get(values.size() - 1);
} catch (Exception e) {
return null;
}
}
private void handleSignupPost(Request request, HttpServletResponse httpServletResponse)
throws Exception {
String userId = request.getParameter(PARAM_USER_ID);
String userName = request.getParameter(PARAM_USER_NAME);
String email = request.getParameter(PARAM_EMAIL);
String stringPassword = request.getParameter(PARAM_PASSWORD);
String stringPasswordConfirm = request.getParameter(PARAM_PASSWORD_CONFIRM);
if (!stringPassword.equals(stringPasswordConfirm)) {
WebUtils.redirectToError(
"Mismatch between password and password confirmation", request, httpServletResponse);
return;
}
SecureRandom secureRandom = new SecureRandom();
String salt = "" + secureRandom.nextLong();
byte[] password = User.computeHashedPassword(stringPassword, salt);
User user = userDb.get(userId);
if (user != null) {
WebUtils.redirectToError(
"There already exists a user with the ID " + userId, request, httpServletResponse);
return;
}
user =
new User(
userId,
userName,
password,
salt,
email,
new ArrayList<String>(),
Config.getConfig().activateAccountsAtCreation,
false);
// ttt2 add confirmation by email, captcha, ...
List<String> fieldErrors = user.checkFields();
if (!fieldErrors.isEmpty()) {
StringBuilder bld =
new StringBuilder("Invalid values when trying to create user with ID ")
.append(userId)
.append("<br/>");
for (String s : fieldErrors) {
bld.append(s).append("<br/>");
}
WebUtils.redirectToError(bld.toString(), request, httpServletResponse);
return;
}
// ttt2 2 clients can add the same userId simultaneously
userDb.add(user);
httpServletResponse.sendRedirect("/");
}
public ControllerRequest(Class<? extends Controller> controllerClass, Matcher matchedUrl) {
this.controllerClass = controllerClass;
if (matchedUrl.groupCount() > 0) {
List<String> argsList = new ArrayList<String>(matchedUrl.groupCount());
for (int i = 1; i <= matchedUrl.groupCount(); i++) {
argsList.add(matchedUrl.group(i));
}
this.args = argsList;
} else {
this.args = new ArrayList<String>(0);
}
}
public List getUserList() {
List<Map> list = new ArrayList<Map>();
try {
/*
String apiUrl=rallyApiHost+"/user?query="+
"((TeamMemberships%20%3D%20https%3A%2F%2Frally1.rallydev.com%2Fslm%2Fwebservice%2F1.34%2Fproject%2F6169133135)%20or%20"+
"(TeamMemberships%20%3D%20https%3A%2F%2Frally1.rallydev.com%2Fslm%2Fwebservice%2F1.34%2Fproject%2F6083311244))"+
"&fetch=true&order=Name&start=1&pagesize=100";
*/
String apiUrl =
rallyApiHost
+ "/user?query=(Disabled%20=%20false)"
+ "&fetch=true&order=Name&start=1&pagesize=100";
log.info("apiUrl=" + apiUrl);
String responseXML = getRallyXML(apiUrl);
org.jdom.input.SAXBuilder bSAX = new org.jdom.input.SAXBuilder();
org.jdom.Document doc = bSAX.build(new StringReader(responseXML));
Element root = doc.getRootElement();
XPath xpath = XPath.newInstance("//Object");
List xlist = xpath.selectNodes(root);
Iterator iter = xlist.iterator();
while (iter.hasNext()) {
Map map = new HashMap();
Element item = (Element) iter.next();
String userRef = item.getAttribute("ref").getValue();
String userName = item.getAttribute("refObjectName").getValue();
String userObjectId = item.getChildText("ObjectID");
map.put("userRef", userRef);
map.put("userObjectId", userObjectId);
map.put("userName", userName);
list.add(map);
}
} catch (Exception ex) {
log.error("", ex);
}
return list;
}
protected static int processGet() throws NimbitsException {
final List<Entity> points = EntityServiceFactory.getInstance().getIdleEntities();
log.info("Processing " + points.size() + " potentially idle points");
for (final Entity p : points) {
try {
checkIdle((Point) p);
} catch (NimbitsException e) {
LogHelper.logException(IdlePointCron.class, e);
}
}
return points.size();
}
@Test
public void receiveAnOrder() throws Exception {
when(request.getMethod()).thenReturn("POST");
when(request.getRequestURI()).thenReturn("/orders");
when(request.getParameter("order_code")).thenReturn("1234");
when(request.getParameter("article_code")).thenReturn("ABCD");
when(request.getParameter("address")).thenReturn("Some Place");
ordersController.service();
assertEquals(1, orders.size());
assertEquals(new Order("1234", "ABCD", "Some Place"), orders.get(0));
}
void setFormData(WObject.FormData formData) {
if (!(formData.values.length == 0)) {
List<String> attributes = new ArrayList<String>();
attributes = new ArrayList<String>(Arrays.asList(formData.values[0].split(";")));
if (attributes.size() == 6) {
try {
this.volume_ = Double.parseDouble(attributes.get(0));
} catch (RuntimeException e) {
this.volume_ = -1;
}
try {
this.current_ = Double.parseDouble(attributes.get(1));
} catch (RuntimeException e) {
this.current_ = -1;
}
try {
this.duration_ = Double.parseDouble(attributes.get(2));
} catch (RuntimeException e) {
this.duration_ = -1;
}
this.playing_ = attributes.get(3).equals("0");
this.ended_ = attributes.get(4).equals("1");
try {
this.readyState_ = intToReadyState(Integer.parseInt(attributes.get(5)));
} catch (RuntimeException e) {
throw new WException(
"WAbstractMedia: error parsing: " + formData.values[0] + ": " + e.toString());
}
} else {
throw new WException("WAbstractMedia: error parsing: " + formData.values[0]);
}
}
}
/**
* Procesa los llamados a listar marcas
*
* @param
* @return
* @throws IOException
* @throws ServletException
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
BrandRepository brands = (BrandRepository) context.getBean("brandRepository");
Collection data_brands = brands.findAllBrand();
List param_brands = new ArrayList();
Iterator itr = data_brands.iterator();
while (itr.hasNext()) {
Brand brand = (Brand) itr.next();
BrandDTO dto = BrandAssembler.Create(brand);
param_brands.add(dto);
}
request.setAttribute("brands", param_brands);
forward("/ListBrands.jsp", request, response);
}
/**
* Gets values referenced by sequential keys, e.g. {@code key1...keyN}.
*
* @param keyPrefix Key prefix, e.g. {@code key} for {@code key1...keyN}.
* @param params Parameters map.
* @return Values.
*/
@Nullable
protected List<Object> values(String keyPrefix, Map<String, Object> params) {
assert keyPrefix != null;
List<Object> vals = new LinkedList<>();
for (int i = 1; ; i++) {
String key = keyPrefix + i;
if (params.containsKey(key)) vals.add(params.get(key));
else break;
}
return vals;
}
public List<String> getSessionIds() throws IOException {
List<String> res = null;
{
synchronized (lookupSessionById) {
Set<String> keySet = lookupSessionById.keySet();
if (keySet != null) {
res = new ArrayList<String>();
res.addAll(keySet);
}
}
}
return res;
}
public StringBuilder listToCSV(List list) {
StringBuilder csv = new StringBuilder();
csv.append(
"Work Product,,Name,State,Owner,Plan Estimate,Task Estimate,Task Remaining,Time Spent\n");
for (int i = 0; i < list.size(); i++) {
Map map = (Map) list.get(i);
String type = (String) map.get("type");
String formattedId = (String) map.get("formattedId");
String name = (String) map.get("name");
String taskStatus = (String) map.get("taskStatus");
String owner = (String) map.get("owner");
String planEstimate = (String) map.get("planEstimate");
String taskEstimateTotal = (String) map.get("taskEstimateTotal");
String taskRemainingTotal = (String) map.get("taskRemainingTotal");
String taskTimeSpentTotal = (String) map.get("taskTimeSpentTotal");
if ("task".equals(type)) {
csv.append("," + formattedId + ",");
} else if ("userstory".equals(type)) {
csv.append(formattedId + ",,");
} else if ("iteration".equals(type)) {
csv.append(",,");
}
if (planEstimate == null) {
planEstimate = "";
}
if (taskEstimateTotal == null) {
taskEstimateTotal = "";
}
if (taskRemainingTotal == null) {
taskRemainingTotal = "";
}
csv.append("\"" + name + "\",");
csv.append(taskStatus + ",");
csv.append(owner + ",");
csv.append(planEstimate + ",");
csv.append(taskEstimateTotal + ",");
csv.append(taskRemainingTotal + ",");
csv.append(taskTimeSpentTotal + "\n");
}
return csv;
}
public JSONObject filterPlacesRandomly(
JSONObject placesJSONObject, int finalPlacesNumberPerRequest, List<String> place_ids) {
JSONObject initialJSON = (JSONObject) placesJSONObject.clone();
JSONObject finalJSONObject = new JSONObject();
int numberFields = placesJSONObject.size();
int remainingPlaces = finalPlacesNumberPerRequest;
int keywordsProcessed = 0;
Set<String> keywords = initialJSON.keySet();
for (String keyword : keywords) {
JSONArray placesForKeyword = (JSONArray) initialJSON.get(keyword);
JSONArray finalPlacesForKeyword = new JSONArray();
int placesForKeywordSize = placesForKeyword.size();
int maxPlacesToKeepInFinalJSON = remainingPlaces / (numberFields - keywordsProcessed);
int placesToKeepInFinalJSON = Math.min(maxPlacesToKeepInFinalJSON, placesForKeywordSize);
remainingPlaces -= placesToKeepInFinalJSON;
for (int i = 0; i < placesToKeepInFinalJSON; i++) {
int remainingPlacesInJSONArray = placesForKeyword.size();
int randomElementPosInArray = (new Random()).nextInt(remainingPlacesInJSONArray);
JSONObject temp = (JSONObject) placesForKeyword.remove(randomElementPosInArray);
place_ids.add((String) temp.get("place_id"));
finalPlacesForKeyword.add(temp);
}
finalJSONObject.put(keyword, finalPlacesForKeyword);
keywordsProcessed++;
}
return finalJSONObject;
}
private boolean calculateWithValidValues() {
Iterator it = metaProperties.iterator();
while (it.hasNext()) {
MetaProperty m = (MetaProperty) it.next();
if (m.hasValidValues()) return true;
}
return false;
}
public MutableHttpServletRequest() {
attributeMap = new HashMap<String, Object>();
headerMap = new HashMap<String, String[]>();
parameterMap = new HashMap<String, String[]>();
fileItemMap = new HashMap<String, FileItem[]>();
locales = new ArrayList<Locale>();
locales.add(Locale.getDefault());
}
public void processAlgorithm() {
List<List<Double>> testData = data.getTestData();
int testNum = data.getTestNum();
long begin = System.currentTimeMillis();
for (int i = 0; i < testNum; i++) {
List<Double> test = testData.get(i);
result[i][0] = Arith.convertsToInt(test.get(0));
result[i][1] = Math.round(Float.parseFloat((knn(data.getTrainData(), test, 3))));
if (result[i][0] != result[i][1]) {
ma.setWrong(ma.getWrong() + 1);
}
}
long end = System.currentTimeMillis();
ma.setTime(begin, end);
ma.setAccuracyRate(ma.getWrong(), testNum);
ma.setErrorRate(ma.getWrong(), testNum);
}
private void expand(int row, int column, int rowSpan, int columnSpan) {
int newRowCount = Math.max(this.getRowCount(), row + rowSpan);
int newColumnCount = Math.max(this.getColumnCount(), column + columnSpan);
int extraRows = newRowCount - this.getRowCount();
int extraColumns = newColumnCount - this.getColumnCount();
if (extraColumns > 0) {
for (int a_row = 0; a_row < this.getRowCount(); ++a_row) {
{
int insertPos = this.grid_.items_.get(a_row).size();
for (int ii = 0; ii < (extraColumns); ++ii)
this.grid_.items_.get(a_row).add(insertPos + ii, new Grid.Item());
}
;
}
{
int insertPos = this.grid_.columns_.size();
for (int ii = 0; ii < (extraColumns); ++ii)
this.grid_.columns_.add(insertPos + ii, new Grid.Section());
}
;
}
if (extraRows > 0) {
{
int insertPos = this.grid_.items_.size();
for (int ii = 0; ii < (extraRows); ++ii)
this.grid_.items_.add(insertPos + ii, new ArrayList<Grid.Item>());
}
;
for (int i = 0; i < extraRows; ++i) {
final List<Grid.Item> items =
this.grid_.items_.get(this.grid_.items_.size() - extraRows + i);
{
int insertPos = items.size();
for (int ii = 0; ii < (newColumnCount); ++ii) items.add(insertPos + ii, new Grid.Item());
}
;
}
{
int insertPos = this.grid_.rows_.size();
for (int ii = 0; ii < (extraRows); ++ii)
this.grid_.rows_.add(insertPos + ii, new Grid.Section());
}
;
}
}
/**
* 执行KNN算法，获取测试元组的类别
*
* @param list 训练数据集
* @param test 测试元组
* @param k 设定的K值
* @return 测试元组的类别
*/
public String knn(List<List<Double>> list, List<Double> test, int k) {
PriorityQueue<KNNNode> pq = new PriorityQueue<KNNNode>(k, comparator);
for (int i = 0; i < k; i++) {
List<Double> trainTuple = list.get(i);
Double c = trainTuple.get(0);
KNNNode node = new KNNNode(i, getDistance(test, trainTuple), c);
pq.add(node);
}
for (int i = 0; i < list.size(); i++) {
List<Double> t = list.get(i);
double distance = getDistance(test, t);
KNNNode top = pq.peek();
if (top.getDistance() > distance) {
pq.remove();
pq.add(new KNNNode(i, distance, t.get(0)));
}
}
return getMostClass(pq);
}
