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@Override public boolean apply(List<E> tokens) { if (this.find(tokens) != null) { return true; } else { return false; } }
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public Match<E> find(List<E> tokens, int start) { Match<E> match; for (int i = start; i <= tokens.size() - auto.minMatchingLength(); i++) { match = this.lookingAt(tokens, i); if (match != null) { return match; } } return null; }
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public Match<E> lookingAt(List<E> tokens, int start) { return auto.lookingAt(tokens, start); }
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public List<Match<E>> findAll(List<E> tokens) { List<Match<E>> results = new ArrayList<Match<E>>(); int start = 0; Match<E> match; do { match = this.find(tokens, start); if (match != null) { start = match.endIndex(); // match may...
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public static void main(String[] args) { Scanner scan = new Scanner(System.in); RegularExpression<String> regex = RegularExpressionParsers.word.parse(args[0]); System.out.println("regex: " + regex); System.out.println(); while (scan.hasNextLine()) { String line = sc...
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public boolean isEquivalent(CompilationUnit other) { if (!destination.getAbsoluteFile().equals(other.destination.getAbsoluteFile())) return false; if (encoding != null ? !encoding.equals(other.encoding) : other.encoding != null) return false; if (resourceReader != null ? !resourceReader.equals(o...
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private static MessageDigest SHA512_Init() { Log.d("Ed25519", "SHA512_Init"); try { return MessageDigest.getInstance("SHA-512"); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return null; }
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public void addIndexWarning(String noIndexGiven) { if (jsonResponse==null){ jsonResponse = new JSONObject(); } jsonResponse.put("warning:noIndexGiven", noIndexGiven); }
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public static DeleteFollowRequest checkRequest( final HttpServletRequest request, final DeleteRequest deleteRequest, final DeleteFollowResponse deleteFollowResponse) { final Node user = checkUserIdentifier(request, deleteFollowResponse); if (user != null) { final Node followed = checkFollowedIdentifier(...
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@Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { long start = System.nanoTime(); ProcessRetrieveResponse responseObject = ProcessRetrieveRequest.checkRequestParameter(request, this.getServletContext()); String resultJson = resp...
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private static CreateRequestType checkType(final FormItemList formItemList, final CreateResponse createResponse) { final String sType = formItemList .getField(ProtocolConstants.Parameters.Create.TYPE); if (sType != null) { if (CreateRequestType.USER.getIdentifier().equals(sType)) { return CreateReques...
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private void writeFiles(final StatusUpdateTemplate template, final FormItemList items) throws Exception { FormFile fileItem; TemplateFileInfo fileInfo; for (String fileIdentifier : items.getFileIdentifiers()) { fileItem = items.getFile(fileIdentifier); fileInfo = template.getFiles().get(fileIdentifier); ...
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private File writeFile(final FormFile fileItem) throws Exception { final String directory = this.getFileDir(fileItem.getContentType()); // TODO: ensure unique file names final File file = new File(directory + System.currentTimeMillis() + "-" + fileItem.getOriginalFileName()); fileItem.getFormItem().write(f...
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@SuppressWarnings("unchecked") public JSONObject toJSONObject() { final JSONObject activity = new JSONObject(); // parse time stamp activity.put("published", dateFormatter.format(new Date(this.timestamp))); // TODO: check performance // parse user // final Map<String, Object> user = this.creator.toAc...
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protected Map<String, Object> toObjectJSON() { final Map<String, Object> objectJSON = new LinkedHashMap<String, Object>(); // TODO: select correct object type - usage of own types allowed? objectJSON.put("objectType", "article"); objectJSON.put("type", this.type); objectJSON.put("id", this.id); return obje...
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private static Properties loadProperties(String propertiesFile) { Properties properties = new Properties(); try (InputStream is = new FileInputStream(propertiesFile)) { properties.load(is); } catch (IOException e) { throw new RuntimeException("failed to load properties", e); } return pro...
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private static Properties loadPropertiesFromClasspath(String propertiesFile) { Properties properties = new Properties(); try (InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(propertiesFile)) { properties.load(is); } catch (IOException e) { throw new RuntimeExc...
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public <T> Collection<T> getCollection(String prefix, Function<String, T> factory) { Collection<T> collection = new ArrayList<>(); for (String property : properties.stringPropertyNames()) { if (property.startsWith(prefix + ".")) { collection.add(factory.apply(property)); } } return c...
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public <K, V> Map<K, V> getMap(String prefix, Function<String, K> keyFactory, Function<String, V> valueFactory) { Map<K, V> map = new HashMap<>(); for (String property : properties.stringPropertyNames()) { if (property.startsWith(prefix + ".")) { map.put(keyFactory.apply(property.substring(prefix....
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public Class<?> getClass(String property) { return getProperty(property, className -> { try { return Class.forName(className); } catch (ClassNotFoundException e) { throw new ConfigurationException("unknown class: " + className, e); } }); }
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public File getFile(String property, File defaultValue) { return getProperty(property, defaultValue, File::new); }
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public <T extends Enum<T>> T getEnum(String property, Class<T> type) { return Enum.valueOf(type, getString(property)); }
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public String getString(String property, String defaultValue) { return getProperty(property, defaultValue, v -> v); }
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public boolean getBoolean(String property) { return getProperty(property, value -> { switch (value.trim().toLowerCase()) { case "true": case "1": return true; case "false": case "0": return false; default: throw new ConfigurationException("...
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public short getShort(String property) { return getProperty(property, value -> { try { return Short.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("malformed property value: " + property + " must be a short"); } }); }
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public int getInteger(String property) { return getProperty(property, value -> { try { return Integer.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("malformed property value: " + property + " must be an integer"); } }); }
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public long getLong(String property) { return getProperty(property, value -> { try { return Long.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("malformed property value: " + property + " must be a long"); } }); }
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public float getFloat(String property) { return getProperty(property, value -> { try { return Float.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("malformed property value: " + property + " must be a float"); } }); }
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public double getDouble(String property) { return getProperty(property, value -> { try { return Double.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("malformed property value: " + property + " must be a double"); } }); }
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private <T> T getProperty(String property, Function<String, T> transformer) { Assert.notNull(property, "property"); String value = properties.getProperty(property); if (value == null) throw new ConfigurationException("missing property: " + property); return transformer.apply(value); }
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public void addFriend(Friend friend) { try { get().addEntry(friend.get()); } catch (NoResponseException | XMPPErrorException | NotConnectedException e) { e.printStackTrace(); } }
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public boolean contains(Friend friend) { for (final Friend f : getFriends()) { if (StringUtils.parseName(f.getUserId()).equals( StringUtils.parseName(friend.getUserId()))) { return true; } } return false; }
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public List<Friend> getFriends() { final List<Friend> friends = new ArrayList<>(); for (final RosterEntry e : get().getEntries()) { friends.add(new Friend(api, con, e)); } return friends; }
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public void setName(String name) { try { get().setName(name); } catch (final NotConnectedException e) { e.printStackTrace(); } }
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public static DeleteRequest checkRequest(final HttpServletRequest request, final DeleteResponse deleteResponse) { final DeleteRequestType type = checkType(request, deleteResponse); if (type != null) { return new DeleteRequest(type); } return null; }
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private static DeleteRequestType checkType( final HttpServletRequest request, final DeleteResponse deleteResponse) { { final String sType = request .getParameter(ProtocolConstants.Parameters.Delete.TYPE); if (sType != null) { if (DeleteRequestType.USER.getIdentifier().equals(sType)) { return...
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public static ProcessRetrieveResponse checkRequestParameter( HttpServletRequest request, ServletContext context) { ProcessRetrieveResponse response = new ProcessRetrieveResponse(context); Integer numItems = checkNumItems(request, response); String term = checkTerm(request, response); if (term == null) { r...
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private static SuggestTree checkIndexName(HttpServletRequest request, ProcessRetrieveResponse response, ServletContext context) { String indexName = request .getParameter(ProtocolConstants.INDEX_PARAMETER); SuggestTree index = null; // if no indexName Parameter was provided use the default index. if (ind...
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public static org.neo4j.graphdb.Node createTemplateFileInfoNode( final AbstractGraphDatabase graphDatabase, final TemplateFileInfo fileInfo) { final org.neo4j.graphdb.Node fileNode = TemplateItemInfo .createTemplateItemNode(graphDatabase, fileInfo); fileNode.setProperty(TemplateXMLFields.FILE_CONTENT_TYPE...
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@SuppressWarnings("unchecked") public void addActivityStream(final List<JSONObject> activities) { final JSONArray items = new JSONArray(); for (JSONObject activity : activities) { items.add(activity); } this.json.put("items", items); }
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protected static CatalystThread getThread(ExecutorService executor) { final AtomicReference<CatalystThread> thread = new AtomicReference<>(); try { executor.submit(() -> { thread.set((CatalystThread) Thread.currentThread()); }).get(); } catch (InterruptedException | ExecutionException e)...
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public static org.neo4j.graphdb.Node createTemplateFieldInfoNode( final AbstractGraphDatabase graphDatabase, final TemplateFieldInfo fieldInfo) { final org.neo4j.graphdb.Node fieldNode = TemplateItemInfo .createTemplateItemNode(graphDatabase, fieldInfo); fieldNode .setProperty(TemplateXMLFields.FIELD_...
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public static BitArray allocate(long bits) { if (!(bits > 0 & (bits & (bits - 1)) == 0)) throw new IllegalArgumentException("size must be a power of 2"); return new BitArray(UnsafeHeapBytes.allocate(Math.max(bits / 8 + 8, 8)), bits); }
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public boolean set(long index) { if (!(index < size)) throw new IndexOutOfBoundsException(); if (!get(index)) { bytes.writeLong(offset(index), bytes.readLong(offset(index)) | (1l << position(index))); count++; return true; } return false; }
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public boolean get(long index) { if (!(index < size)) throw new IndexOutOfBoundsException(); return (bytes.readLong(offset(index)) & (1l << (position(index)))) != 0; }
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public BitArray resize(long size) { bytes.resize(Math.max(size / 8 + 8, 8)); this.size = size; return this; }
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BufferAllocator allocator() { Class<?> allocator = reader.getClass(ALLOCATOR, UnpooledUnsafeHeapAllocator.class); try { return (BufferAllocator) allocator.newInstance(); } catch (InstantiationException | IllegalAccessException e) { throw new ConfigurationException(e); } catch (ClassCastExcep...
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private int idToInt(String value) { try { return Integer.valueOf(value); } catch (NumberFormatException e) { throw new ConfigurationException("invalid type ID: " + value); } }
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private Class<?> serializerToClass(String value) { try { return Thread.currentThread().getContextClassLoader().loadClass(value); } catch (ClassNotFoundException e) { throw new ConfigurationException("unknown serializable type: " + value); } }
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CompletableFuture<Void> connect(LocalConnection connection) { LocalConnection localConnection = new LocalConnection(listener.context, connections); connections.add(localConnection); connection.connect(localConnection); localConnection.connect(connection); return CompletableFuture.runAsync(() -> list...
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public Serializer registerClassLoader(String className, ClassLoader classLoader) { classLoaders.put(className, classLoader); return this; }
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@SuppressWarnings("unchecked") private BufferOutput writeById(int id, Object object, BufferOutput output, TypeSerializer serializer) { for (Identifier identifier : Identifier.values()) { if (identifier.accept(id)) { identifier.write(id, output.writeByte(identifier.code())); serializer.write(...
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@SuppressWarnings("unchecked") private BufferOutput writeByClass(Class<?> type, Object object, BufferOutput output, TypeSerializer serializer) { if (whitelistRequired.get()) throw new SerializationException("cannot serialize unregistered type: " + type); serializer.write(object, output.writeByte(Identif...
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@SuppressWarnings("unchecked") private <T> T readById(int id, BufferInput<?> buffer) { Class<T> type = (Class<T>) registry.type(id); if (type == null) throw new SerializationException("cannot deserialize: unknown type"); TypeSerializer<T> serializer = getSerializer(type); if (serializer == null...
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@SuppressWarnings("unchecked") private <T> T readByClass(BufferInput<?> buffer) { String name = buffer.readUTF8(); if (whitelistRequired.get()) throw new SerializationException("cannot deserialize unregistered type: " + name); Class<T> type = (Class<T>) types.get(name); if (type == null) { ...
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public static org.neo4j.graphdb.Node createTemplateNode( final AbstractGraphDatabase graphDatabase, final StatusUpdateTemplate template) { final org.neo4j.graphdb.Node templateNode = graphDatabase.createNode(); // write template information templateNode.setProperty(Properties.Templates.IDENTIFIER, temp...
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public void createUser(final String userId, final String displayName, final String profilePicturePath) { final Node user = NeoUtils.createUserNode(userId); user.setProperty(Properties.User.DISPLAY_NAME, displayName); user.setProperty(Properties.User.PROFILE_PICTURE_PATH, profilePicturePath); }
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public void deleteUser(final Node user) { Node userReplica, following; for (Relationship replica : user.getRelationships( SocialGraphRelationshipType.REPLICA, Direction.INCOMING)) { userReplica = replica.getEndNode(); following = NeoUtils.getPrevSingleNode(userReplica, SocialGraphRelationshipType.FOL...
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private int getInt(XMLProperty p, int defaultValue) { final String value = get(p); if (value.isEmpty()) { return defaultValue; } return Integer.parseInt(value); }
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public void start() { this.workerThread = new Thread(this); System.out.println("starting worker thread"); this.workerThread.start(); System.out.println("worker thread started"); }
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private void sendRequest(Object request, ContextualFuture future) { if (open && connection.open) { long requestId = ++this.requestId; futures.put(requestId, future); connection.handleRequest(requestId, request); } else { future.context.executor().execute(() -> future.completeExceptionall...
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private void handleResponseError(long requestId, Throwable error) { ContextualFuture future = futures.remove(requestId); if (future != null) { future.context.execute(() -> future.completeExceptionally(error)); } }
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@SuppressWarnings("unchecked") private void handleRequest(long requestId, Object request) { HandlerHolder holder = handlers.get(request.getClass()); if (holder == null) { connection.handleResponseError(requestId, new ConnectException("no handler registered")); return; } Function<Object, C...
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private static Map<String, String> loadDatabaseConfig( final Configuration config) { // create database configuration final Map<String, String> databaseConfig = new HashMap<String, String>(); // fill database configuration databaseConfig.put("cache_type", config.getCacheType()); databaseConfig.put("use_me...
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private static void loadLuceneIndices( final AbstractGraphDatabase graphDatabase) { INDEX_STATUS_UPDATE_TEMPLATES = graphDatabase.index().forNodes("tmpl"); INDEX_USERS = graphDatabase.index().forNodes("user"); INDEX_STATUS_UPDATES = graphDatabase.index().forNodes("stup"); }
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public static AbstractGraphDatabase getSocialGraphDatabase( final Configuration config) { // prepare neo4j graph configuration final Map<String, String> graphConfig = loadDatabaseConfig(config); // load database from path specified AbstractGraphDatabase database; if (config.getReadOnly()) { database = ...
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public static boolean deleteFile(final File file) { // delete directory content recursively if (file.isDirectory()) { final File[] children = file.listFiles(); for (File child : children) { if (!deleteFile(child)) { return false; } } } // delete file/empty directory return file.delete()...
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public static Node getPrevSingleNode(final Node user, RelationshipType relationshipType) { // find an incoming relation of the type specified final Relationship rel = user.getSingleRelationship(relationshipType, Direction.INCOMING); return (rel == null) ? (null) : (rel.getStartNode()); }
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public static Node getNextSingleNode(final Node user, RelationshipType relationshipType) { // find an outgoing relation of the type specified Relationship rel = null; try { rel = user.getSingleRelationship(relationshipType, Direction.OUTGOING); } catch (final NonWritableChannelException e) { // TO...
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public static Relationship getRelationshipBetween(final Node source, final Node target, final RelationshipType relationshipType, final Direction direction) { for (Relationship relationship : source.getRelationships( relationshipType, direction)) { if (relationship.getEndNode().equals(target)) { retur...
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public static Node createUserNode(final String userId) { if (INDEX_USERS.get(IDENTIFIER, userId).getSingle() == null) { final Node user = DATABASE.createNode(); user.setProperty(Properties.User.IDENTIFIER, userId); INDEX_USERS.add(user, IDENTIFIER, userId); return user; } throw new IllegalArgumentExc...
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public static Node createStatusUpdateNode(final String statusUpdateId) { if (INDEX_STATUS_UPDATES.get(IDENTIFIER, statusUpdateId).getSingle() == null) { final Node statusUpdate = DATABASE.createNode(); statusUpdate.setProperty(Properties.StatusUpdate.IDENTIFIER, statusUpdateId); INDEX_STATUS_UPDATES.add...
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public static void storeStatusUpdateTemplateNode( final AbstractGraphDatabase graphDatabase, final String templateId, final Node templateNode, final Node previousTemplateNode) { // remove node of the latest previous template version if (previousTemplateNode != null) { INDEX_STATUS_UPDATE_TEMPLATES.remove(p...
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public void start() { this.commandWorker.start(); while (!this.commandWorker.isRunning()) { // wait for the command worker to be ready System.out.println("waiting for worker to connect..."); try { Thread.sleep(50); } catch (final InterruptedException e) { System.out.println("server thread could ...
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private void handleRequestFailure(long requestId, Throwable error, ThreadContext context) { ByteBuf buffer = channel.alloc().buffer(10) .writeByte(RESPONSE) .writeLong(requestId) .writeByte(FAILURE); try { writeError(buffer, error, context); } catch (SerializationException e) { ...
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void handleResponse(ByteBuf response) { long requestId = response.readLong(); byte status = response.readByte(); switch (status) { case SUCCESS: try { handleResponseSuccess(requestId, readResponse(response)); } catch (SerializationException e) { handleResponseFailur...
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@SuppressWarnings("unchecked") private void handleResponseSuccess(long requestId, Object response) { ContextualFuture future = responseFutures.remove(requestId); if (future != null) { future.context.executor().execute(() -> future.complete(response)); } }
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private void handleResponseFailure(long requestId, Throwable t) { ContextualFuture future = responseFutures.remove(requestId); if (future != null) { future.context.executor().execute(() -> future.completeExceptionally(t)); } }
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private ByteBuf writeRequest(ByteBuf buffer, Object request, ThreadContext context) { context.serializer().writeObject(request, OUTPUT.get().setByteBuf(buffer)); if (request instanceof ReferenceCounted) { ((ReferenceCounted) request).release(); } return buffer; }
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private ByteBuf writeResponse(ByteBuf buffer, Object request, ThreadContext context) { context.serializer().writeObject(request, OUTPUT.get().setByteBuf(buffer)); return buffer; }
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private ByteBuf writeError(ByteBuf buffer, Throwable t, ThreadContext context) { context.serializer().writeObject(t, OUTPUT.get().setByteBuf(buffer)); return buffer; }
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private Object readRequest(ByteBuf buffer) { return context.serializer().readObject(INPUT.get().setByteBuf(buffer)); }
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private Throwable readError(ByteBuf buffer) { return context.serializer().readObject(INPUT.get().setByteBuf(buffer)); }
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void handleException(Throwable t) { if (failure == null) { failure = t; for (ContextualFuture<?> responseFuture : responseFutures.values()) { responseFuture.context.executor().execute(() -> responseFuture.completeExceptionally(t)); } responseFutures.clear(); for (Listener<Thr...
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void handleClosed() { if (!closed) { closed = true; for (ContextualFuture<?> responseFuture : responseFutures.values()) { responseFuture.context.executor().execute(() -> responseFuture.completeExceptionally(new ConnectException("connection closed"))); } responseFutures.clear(); ...
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void timeout() { long time = System.currentTimeMillis(); Iterator<Map.Entry<Long, ContextualFuture>> iterator = responseFutures.entrySet().iterator(); while (iterator.hasNext()) { ContextualFuture future = iterator.next().getValue(); if (future.time + requestTimeout < time) { iterator.re...
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protected static org.neo4j.graphdb.Node createTemplateItemNode( final AbstractGraphDatabase graphDatabase, final TemplateItemInfo itemInfo) { final org.neo4j.graphdb.Node itemNode = graphDatabase.createNode(); itemNode.setProperty(TemplateXMLFields.ITEM_NAME, itemInfo.getName()); return itemNode; }
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public static CreateUserRequest checkRequest( final FormItemList formItemList, final CreateRequest createRequest, final CreateUserResponse createUserResponse) { final String userId = checkUserIdentifier(formItemList, createUserResponse); if (userId != null) { final String displayName = checkDisplayName...
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private static String checkDisplayName(final FormItemList formItemList, final CreateUserResponse createUserResponse) { final String displayName = formItemList .getField(ProtocolConstants.Parameters.Create.User.DISPLAY_NAME); if (displayName != null) { return displayName; } else { createUserResponse.d...
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private static String checkProfilePicturePath( final FormItemList formItemList, final CreateUserResponse createUserResponse) { final String profilePicturePath = formItemList .getField(ProtocolConstants.Parameters.Create.User.PROFILE_PICTURE_PATH); if (profilePicturePath != null) { return profilePicture...
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public Listener<T> add(Consumer<T> listener) { Assert.notNull(listener, "listener"); ListenerHolder holder = new ListenerHolder(listener, ThreadContext.currentContext()); listeners.add(holder); return holder; }
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public CompletableFuture<Void> accept(T event) { List<CompletableFuture<Void>> futures = new ArrayList<>(listeners.size()); for (ListenerHolder listener : listeners) { if (listener.context != null) { futures.add(listener.context.execute(() -> listener.listener.accept(event))); } else { ...
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private ThreadContext getOrCreateContext(Channel channel) { ThreadContext context = ThreadContext.currentContext(); if (context != null) { return context; } return new SingleThreadContext(Thread.currentThread(), channel.eventLoop(), this.context.serializer().clone()); }
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private void handleResponse(ByteBuf response, ChannelHandlerContext context) { NettyConnection connection = getConnection(context.channel()); if (connection != null) { connection.handleResponse(response); } }
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private int calculateTypeId(Class<?> type) { if (type == null) throw new NullPointerException("type cannot be null"); return hasher.hash32(type.getName()); }
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public SerializerRegistry registerDefault(Class<?> baseType, Class<? extends TypeSerializer> serializer) { return registerDefault(baseType, new DefaultTypeSerializerFactory(serializer)); }
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public synchronized SerializerRegistry registerDefault(Class<?> baseType, TypeSerializerFactory factory) { defaultFactories.put(baseType, factory); return this; }
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private Class<?> findBaseType(Class<?> type, Map<Class<?>, TypeSerializerFactory> factories) { if (factories.containsKey(type)) return type; List<Map.Entry<Class<?>, TypeSerializerFactory>> orderedFactories = new ArrayList<>(factories.entrySet()); Collections.reverse(orderedFactories); Optional<...
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synchronized int id(Class<?> type) { Integer id = ids.get(type); if (id != null) return id; // If no ID was found for the given type, determine whether the type is an abstract type. Class<?> baseType = findBaseType(type, abstractFactories); if (baseType != null) { id = ids.get(baseType)...
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@SuppressWarnings("unchecked") private T readReference(Class<T> type, BufferInput<?> buffer, Serializer serializer) { ReferencePool<?> pool = pools.get(type); if (pool == null) { Constructor<?> constructor = constructorMap.get(type); if (constructor == null) { try { constructor =...
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