Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use GridModel class of org.openqa.selenium.grid.distributor package

Best Selenium code snippet using org.openqa.selenium.grid.distributor.GridModel

Source:GridModel.java

...46import java.util.logging.Logger;47import static org.openqa.selenium.grid.data.Availability.DOWN;48import static org.openqa.selenium.grid.data.Availability.DRAINING;49import static org.openqa.selenium.grid.data.Availability.UP;50public class GridModel {51  private static final Logger LOG = Logger.getLogger(GridModel.class.getName());52  private static final SessionId RESERVED = new SessionId("reserved");53  private final ReadWriteLock lock = new ReentrantReadWriteLock(/* fair */ true);54  private final Map<Availability, Set<NodeStatus>> nodes = new ConcurrentHashMap<>();55  private final EventBus events;56  public GridModel(EventBus events, Secret registrationSecret) {57    this.events = Require.nonNull("Event bus", events);58    events.addListener(NodeDrainStarted.listener(nodeId -> setAvailability(nodeId, DRAINING)));59    events.addListener(NodeDrainComplete.listener(this::remove));60    events.addListener(NodeRemovedEvent.listener(this::remove));61    events.addListener(NodeStatusEvent.listener(status -> refresh(registrationSecret, status)));62    events.addListener(SessionClosedEvent.listener(this::release));63  }64  public GridModel add(NodeStatus node) {65    Require.nonNull("Node", node);66    Lock writeLock = lock.writeLock();67    writeLock.lock();68    try {69      // If we've already added the node, remove it.70      for (Set<NodeStatus> nodes : nodes.values()) {71        Iterator<NodeStatus> iterator = nodes.iterator();72        while (iterator.hasNext()) {73          NodeStatus next = iterator.next();74          // If the ID is the same, we're re-adding a node. If the URI is the same a node probably restarted75          if (next.getId().equals(node.getId()) || next.getUri().equals(node.getUri())) {76            LOG.info(String.format("Re-adding node with id %s and URI %s.", node.getId(), node.getUri()));77            iterator.remove();78          }79        }80      }81      // Nodes are initially added in the "down" state until something changes their availability82      nodes(DOWN).add(node);83    } finally {84      writeLock.unlock();85    }86    return this;87  }88  public GridModel refresh(Secret registrationSecret, NodeStatus status) {89    Require.nonNull("Node status", status);90    Secret statusSecret = status.getRegistrationSecret() == null ? null : new Secret(status.getRegistrationSecret());91    if (!Objects.equals(registrationSecret, statusSecret)) {92      LOG.severe(String.format("Node at %s failed to send correct registration secret. Node NOT refreshed.", status.getUri()));93      events.fire(new NodeRejectedEvent(status.getUri()));94      return this;95    }96    Lock writeLock = lock.writeLock();97    writeLock.lock();98    try {99      AvailabilityAndNode availabilityAndNode = findNode(status.getId());100      if (availabilityAndNode == null) {101        return this;102      }103      // if the node was marked as "down", keep it down until a healthcheck passes:104      // just because the node can hit the event bus doesn't mean it's reachable105      if (DOWN.equals(availabilityAndNode.availability)) {106        nodes(DOWN).remove(availabilityAndNode.status);107        nodes(DOWN).add(status);108        return this;109      }110      // But do trust the node if it tells us it's draining111      nodes(availabilityAndNode.availability).remove(availabilityAndNode.status);112      nodes(status.getAvailability()).add(status);113      return this;114    } finally {115      writeLock.unlock();116    }117  }118  public GridModel remove(NodeId id) {119    Require.nonNull("Node ID", id);120    Lock writeLock = lock.writeLock();121    writeLock.lock();122    try {123      AvailabilityAndNode availabilityAndNode = findNode(id);124      if (availabilityAndNode == null) {125        return this;126      }127      nodes(availabilityAndNode.availability).remove(availabilityAndNode.status);128      return this;129    } finally {130      writeLock.unlock();131    }132  }...

Source:LocalDistributor.java

...75  private final Secret registrationSecret;76  private final Regularly hostChecker = new Regularly("distributor host checker");77  private final Map<NodeId, Runnable> allChecks = new HashMap<>();78  private final ReadWriteLock lock = new ReentrantReadWriteLock(/* fair */ true);79  private final GridModel model;80  private final Map<NodeId, Node> nodes;81  public LocalDistributor(82      Tracer tracer,83      EventBus bus,84      HttpClient.Factory clientFactory,85      SessionMap sessions,86      Secret registrationSecret) {87    super(tracer, clientFactory, new DefaultSlotSelector(), sessions, registrationSecret);88    this.tracer = Require.nonNull("Tracer", tracer);89    this.bus = Require.nonNull("Event bus", bus);90    this.clientFactory = Require.nonNull("HTTP client factory", clientFactory);91    this.sessions = Require.nonNull("Session map", sessions);92    this.model = new GridModel(bus, registrationSecret);93    this.nodes = new HashMap<>();94    this.registrationSecret = Require.nonNull("Registration secret", registrationSecret);95    bus.addListener(NodeStatusEvent.listener(this::register));96    bus.addListener(NodeStatusEvent.listener(model::refresh));97    bus.addListener(NodeDrainComplete.listener(this::remove));98  }99  public static Distributor create(Config config) {100    Tracer tracer = new LoggingOptions(config).getTracer();101    EventBus bus = new EventBusOptions(config).getEventBus();102    HttpClient.Factory clientFactory = new NetworkOptions(config).getHttpClientFactory(tracer);103    SessionMap sessions = new SessionMapOptions(config).getSessionMap();104    BaseServerOptions serverOptions = new BaseServerOptions(config);105    return new LocalDistributor(tracer, bus, clientFactory, sessions, serverOptions.getRegistrationSecret());106  }...

Source:DistributorFlags.java

1// Licensed to the Software Freedom Conservancy (SFC) under one2// or more contributor license agreements.  See the NOTICE file3// distributed with this work for additional information4// regarding copyright ownership.  The SFC licenses this file5// to you under the Apache License, Version 2.0 (the6// "License"); you may not use this file except in compliance7// with the License.  You may obtain a copy of the License at8//9//   http://www.apache.org/licenses/LICENSE-2.010//11// Unless required by applicable law or agreed to in writing,12// software distributed under the License is distributed on an13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY14// KIND, either express or implied.  See the License for the15// specific language governing permissions and limitations16// under the License.17package org.openqa.selenium.grid.distributor.config;18import com.beust.jcommander.Parameter;19import com.google.auto.service.AutoService;20import org.openqa.selenium.grid.config.ConfigValue;21import org.openqa.selenium.grid.config.HasRoles;22import org.openqa.selenium.grid.config.Role;23import java.net.URI;24import java.util.Collections;25import java.util.Set;26import static org.openqa.selenium.grid.config.StandardGridRoles.DISTRIBUTOR_ROLE;27import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_DISTRIBUTOR_IMPLEMENTATION;28import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_GRID_MODEL_IMPLEMENTATION;29import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_HEALTHCHECK_INTERVAL;30import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_REJECT_UNSUPPORTED_CAPS;31import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_SLOT_MATCHER;32import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DEFAULT_SLOT_SELECTOR_IMPLEMENTATION;33import static org.openqa.selenium.grid.distributor.config.DistributorOptions.DISTRIBUTOR_SECTION;34@SuppressWarnings("FieldMayBeFinal")35@AutoService(HasRoles.class)36public class DistributorFlags implements HasRoles {37  @Parameter(names = {"-d", "--distributor"}, description = "Url of the distributor.")38  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "host", example = "\"http://localhost:5553\"")39  private URI distributorServer;40  @Parameter(41    names = "--distributor-port",42    description = "Port on which the distributor is listening.")43  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "port", example = "5553")44  private Integer distributorServerPort;45  @Parameter(46    names = "--distributor-host",47    description = "Host on which the distributor is listening.")48  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "hostname", example = "\"localhost\"")49  private String distributorServerHost;50  @Parameter(51    names = {"--distributor-implementation"},52    description = "Full classname of non-default distributor implementation")53  @ConfigValue(54    section = DISTRIBUTOR_SECTION,55    name = "implementation",56    example = DEFAULT_DISTRIBUTOR_IMPLEMENTATION)57  private String implementation = DEFAULT_DISTRIBUTOR_IMPLEMENTATION;58  @Parameter(59    names = {"--grid-model"},60    description = "Full classname of non-default grid model. This is used to store states of the all the registered Nodes.")61  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "grid-model", example = DEFAULT_GRID_MODEL_IMPLEMENTATION)62  private String gridModel = DEFAULT_GRID_MODEL_IMPLEMENTATION;63  @Parameter(64    names = {"--slot-matcher"},65    description = "Full classname of non-default slot matcher to use. This is used to determine whether a Node can support a particular session.")66  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "slot-matcher", example = DEFAULT_SLOT_MATCHER)67  private String slotMatcher = DEFAULT_SLOT_MATCHER;68  @Parameter(69    names = {"--slot-selector"},70    description = "Full classname of non-default slot selector. This is used to select a slot in a Node once the Node has been matched.")71  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "slot-selector", example = DEFAULT_SLOT_SELECTOR_IMPLEMENTATION)72  private String slotSelector = DEFAULT_SLOT_SELECTOR_IMPLEMENTATION;73  @Parameter(74    names = {"--healthcheck-interval"},75    description = "How often, in seconds, will the health check run for all Nodes." +76      "This ensures the server can ping all the Nodes successfully.")77  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "healthcheck-interval", example = "60")78  public int healthcheckInterval =  DEFAULT_HEALTHCHECK_INTERVAL;79  @Parameter(description = "Allow the Distributor to reject a request immediately if the Grid does not support the requested capability." +80    "Rejecting requests immediately is suitable for Grid set up that does not spin up Nodes on demand.",81    names = "--reject-unsupported-caps", arity = 1)82  @ConfigValue(section = DISTRIBUTOR_SECTION, name = "reject-unsupported-caps", example = "true")83  private boolean rejectUnsupportedCaps = DEFAULT_REJECT_UNSUPPORTED_CAPS;84  @Override85  public Set<Role> getRoles() {86    return Collections.singleton(DISTRIBUTOR_ROLE);87  }88}...

Source:DistributorOptions.java

...32  static final String DEFAULT_SLOT_MATCHER = "org.openqa.selenium.grid.data.DefaultSlotMatcher";33  static final String DEFAULT_SLOT_SELECTOR_IMPLEMENTATION =34    "org.openqa.selenium.grid.distributor.selector.DefaultSlotSelector";35  static final String DEFAULT_GRID_MODEL_IMPLEMENTATION =36    "org.openqa.selenium.grid.distributor.GridModel";37  static final boolean DEFAULT_REJECT_UNSUPPORTED_CAPS = false;38  private final Config config;39  public DistributorOptions(Config config) {40    this.config = config;41  }42  public URI getDistributorUri() {43    Optional<URI> host = config.get(DISTRIBUTOR_SECTION, "host").map(str -> {44      try {45        URI distributorUri = new URI(str);46        if (distributorUri.getHost() == null || distributorUri.getPort() == -1) {47          throw new ConfigException("Undefined host or port in Distributor server URI: " + str);48        }49        return distributorUri;50      } catch (URISyntaxException e) {...

GridModel

Using AI Code Generation

1import org.openqa.selenium.grid.distributor.model.GridModel;2import java.util.Map;3public class GridStatus {4public static void main(String[] args) {5GridModel gridModel = new GridModel();6Map<String, Object> status = gridModel.getStatus();7System.out.println(status);8}9}10{nodeCount=1, proxyCount=0, sessionCount=0, success=true}11import org.openqa.selenium.grid.distributor.model.GridModel;12import java.util.Map;13public class GridStatus {14public static void main(String[] args) {15GridModel gridModel = new GridModel();16Map<String, Object> status = gridModel.getStatus();17System.out.println(status.get("sessionId"));18}19}20import org.openqa.selenium.grid.distributor.model.GridModel;21import java.util.Map;22public class GridStatus {23public static void main(String[] args) {24GridModel gridModel = new GridModel();25Map<String, Object> status = gridModel.getStatus();26System.out.println(status.get("session"));27}28}29import org.openqa.selenium.grid.distributor.model.GridModel;30import java.util.Map;31public class GridStatus {32public static void main(String[] args) {33GridModel gridModel = new GridModel();34Map<String, Object> status = gridModel.getStatus();35System.out.println(status.get("sessionCount"));36}37}38import org.openqa.selenium.grid.distributor.model.GridModel;39import java.util.Map;40public class GridStatus {41public static void main(String[] args) {42GridModel gridModel = new GridModel();43Map<String, Object> status = gridModel.getStatus();44System.out.println(status.get("success"));45}46}47import org.openqa.selenium.grid.distributor.model.GridModel;48import java.util.Map;49public class GridStatus {50public static void main(String[] args) {51GridModel gridModel = new GridModel();52Map<String, Object> status = gridModel.getStatus();53System.out.println(status.get("proxyCount"));54}55}56import org.openqa.selenium.grid.distributor.model.GridModel;57import java.util.Map;58public class GridStatus {

GridModel

Using AI Code Generation

1import org.openqa.selenium.grid.distributor.model.GridModel;2import org.openqa.selenium.grid.distributor.model.GridNode;3import org.openqa.selenium.grid.distributor.model.GridSession;4import org.openqa.selenium.grid.node.local.LocalNode;5import org.openqa.selenium.grid.sessionmap.config.SessionMapOptions;6import org.openqa.selenium.grid.web.Routable;7import org.openqa.selenium.grid.web.Routes;8import org.openqa.selenium.internal.Require;9import org.openqa.selenium.remote.http.Contents;10import org.openqa.selenium.remote.http.HttpHandler;11import org.openqa.selenium.remote.http.HttpRequest;12import org.openqa.selenium.remote.http.HttpResponse;13import java.io.IOException;14import java.net.URI;15import java.util.Objects;16import java.util.Set;17import java.util.stream.Collectors;18public class Distributor implements Routable {19  private final LocalNode node;20  private final GridModel model;21  public Distributor(LocalNode node, SessionMapOptions sessionMapOptions) {22    this.node = Require.nonNull("Node", node);23    this.model = new GridModel(Require.nonNull("Session map options", sessionMapOptions));24  }25  public void execute(HttpRequest req, HttpResponse resp) throws IOException {26    resp.setHeader("Content-Type", "text/plain");27    Set<GridNode> nodes = model.getNodes();28    String nodeString = nodes.stream()29        .map(GridNode::getId)30        .map(Object::toString)31        .collect(Collectors.joining(", "));32    Set<GridSession> sessions = model.getSessions();33    String sessionString = sessions.stream()34        .map(GridSession::getId)35        .map(Object::toString)36        .collect(Collectors.joining(", "));37    String content = String.format("Nodes: %s38Sessions: %s", nodeString, sessionString);39    Contents.string(resp, content);40  }41  public void stop() {42    node.stop();43  }44  public Routes getRoutes() {45    return new Routes()46        .add(Route.get("/").to(() -> this));47  }48  public URI getExternalUri() {49    return node.getExternalUri();50  }51  public boolean isSupportingDialects(Set<String> dialects) {52    return node.isSupportingDialects(dialects);53  }54  public HttpHandler asHttpHandler() {55    return node.asHttpHandler();

Source: SpringMVC RequestMapping for GET parameters

1Executors.newSingleThreadExecutor().submit(new Runnable() {2    @Override3    public void run() {4        // You can perform your task here.5    }6});7

Source:SpringMVC RequestMapping for GET parameters

Executors.newSingleThreadExecutor().submit(new Runnable() {
    @Override
    public void run() {
        // You can perform your task here.
    }
});

Source: SpringMVC RequestMapping for GET parameters

1http://api.example.com/stocks                       // ResponseWrapper<String> object containing a2                                                    // list of strings with ticker symbols3http://api.example.com/stocks/$symbol               // Stock object4http://api.example.com/stocks/$symbol/prices        // PriceHistory<Stock> object5http://api.example.com/currencies                   // ResponseWrapper<String> object containing a6                                                    // list of currency abbreviation7http://api.example.com/currencies/$currency         // Currency object8http://api.example.com/currencies/$id1/values/$id2  // PriceHistory<Currency> object comparing the prices9                                                    // of the first currency (id1) to the second (id2)10

Source:SpringMVC RequestMapping for GET parameters

http://api.example.com/stocks                       // ResponseWrapper<String> object containing a
                                                    // list of strings with ticker symbols
http://api.example.com/stocks/$symbol               // Stock object
http://api.example.com/stocks/$symbol/prices        // PriceHistory<Stock> object
http://api.example.com/currencies                   // ResponseWrapper<String> object containing a
                                                    // list of currency abbreviation
http://api.example.com/currencies/$currency         // Currency object
http://api.example.com/currencies/$id1/values/$id2  // PriceHistory<Currency> object comparing the prices
                                                    // of the first currency (id1) to the second (id2)

Selenium 4 Tutorial:

LambdaTest’s Selenium 4 tutorial is covering every aspects of Selenium 4 testing with examples and best practices. Here you will learn basics, such as how to upgrade from Selenium 3 to Selenium 4, to some advanced concepts, such as Relative locators and Selenium Grid 4 for Distributed testing. Also will learn new features of Selenium 4, such as capturing screenshots of specific elements, opening a new tab or window on the browser, and new protocol adoptions.

Chapters:

Upgrading From Selenium 3 To Selenium 4?: In this chapter, learn in detail how to update Selenium 3 to Selenium 4 for Java binding. Also, learn how to upgrade while using different build tools such as Maven or Gradle and get comprehensive guidance for upgrading Selenium.
What’s New In Selenium 4 & What’s Being Deprecated? : Get all information about new implementations in Selenium 4, such as W3S protocol adaption, Optimized Selenium Grid, and Enhanced Selenium IDE. Also, learn what is deprecated for Selenium 4, such as DesiredCapabilites and FindsBy methods, etc.
Selenium 4 With Python: Selenium supports all major languages, such as Python, C#, Ruby, and JavaScript. In this chapter, learn how to install Selenium 4 for Python and the features of Python in Selenium 4, such as Relative locators, Browser manipulation, and Chrom DevTool protocol.
Selenium 4 Is Now W3C Compliant: JSON Wireframe protocol is retiring from Selenium 4, and they are adopting W3C protocol to learn in detail about the advantages and impact of these changes.
How To Use Selenium 4 Relative Locator? : Selenium 4 came with new features such as Relative Locators that allow constructing locators with reference and easily located constructors nearby. Get to know its different use cases with examples.
Selenium Grid 4 Tutorial For Distributed Testing: Selenium Grid 4 allows you to perform tests over different browsers, OS, and device combinations. It also enables parallel execution browser testing, reads up on various features of Selenium Grid 4 and how to download it, and runs a test on Selenium Grid 4 with best practices.
Selenium Video Tutorials: Binge on video tutorials on Selenium by industry experts to get step-by-step direction from automating basic to complex test scenarios with Selenium.