Examples of org.red5.server.api.scope.IScope

org.red5.server.api.scope.IScope
The scope object. A stateful object shared between a group of clients connected to the same context path. Scopes are arranged in hierarchical way, so its possible for a scope to have a parent and children scopes. If a client connects to a scope then they are also connected to its parent scope. The scope object is used to access resources, shared object, streams, etc. That is, scope are general option for grouping things in application. The following are all names for scopes: application, room, place, lobby. @author The Red5 Project @author Luke Hubbard (luke@codegent.com)

   *
   * @param from Scope to find root for
   * @return  Root scope object
   */
  public static IScope findRoot(IScope from) {
    IScope current = from;
    while (current.hasParent()) {
      current = current.getParent();
    }
    return current;
  }

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   *
   * @param from Scope to find application for
   * @return    Application scope.
   */
  public static IScope findApplication(IScope from) {
    IScope current = from;
    while (current.hasParent() && !current.getType().equals(ScopeType.APPLICATION)) {
      current = current.getParent();
    }
    return current;
  }

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      return scope.getAttribute(attr);
    }


    Object handler = null;
    if (checkHandler) {
      IScope current = scope;
      while (current != null) {
        IScopeHandler scopeHandler = current.getHandler();
        if (intf.isInstance(scopeHandler)) {
          handler = scopeHandler;
          break;
        }
        if (!current.hasParent()) {
          break;
        }
        current = current.getParent();
      }
    }


    if (handler == null && IScopeService.class.isAssignableFrom(intf)) {
      // we've got an IScopeService, try to lookup bean

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   */
  public static void invokeOnAllConnections(String method, Object[] params, IPendingServiceCallback callback) {
    IConnection conn = Red5.getConnectionLocal();
    if (conn != null) {
      log.debug("Connection for invoke on all: {}", conn);
      IScope scope = conn.getScope();
      log.debug("Scope for invoke on all: {}", scope);
      invokeOnAllScopeConnections(scope, method, params, callback);
    } else {
      log.warn("Connection was null (thread local), scope cannot be located and cannot execute invoke request");
    }

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   */
  public static void notifyOnAllConnections(String method, Object[] params) {
    IConnection conn = Red5.getConnectionLocal();
    if (conn != null) {
      log.debug("Connection for notify on all: {}", conn);
      IScope scope = conn.getScope();
      log.debug("Scope for notify on all: {}", scope);
      notifyOnAllScopeConnections(scope, method, params);
    } else {
      log.warn("Connection was null (thread local), scope cannot be located and cannot execute notify request");
    }

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      case PipeConnectionEvent.CONSUMER_DISCONNECT:
      case PipeConnectionEvent.PROVIDER_DISCONNECT:
        if (compCounter.decrementAndGet() <= 0) {
          // XXX should we synchronize parent before removing?
          if (hasParent()) {
            IScope parent = getParent();
            IProviderService providerService = (IProviderService) parent.getContext().getBean(IProviderService.BEAN_NAME);
            removed = providerService.unregisterBroadcastStream(parent, getName());
          } else {
            removed = true;
          }
        }

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    log.debug("resolveScope - root: {} path: {}", root, path);
    if (root == null) {
      throw new ScopeException("Null root scope");
    }
    // start from root scope
    IScope scope = root;
    // if there's no path return root scope (e.i. root path scope)
    if (StringUtils.isNotEmpty(path)) {
      // Split path to parts
      final String[] parts = path.split("/");
      log.debug("Split path: {}", Arrays.toString(parts));
      // Iterate thru them, skip empty parts
      for (String child : parts) {
        if (StringUtils.isEmpty(child)) {
          // skip empty path elements
          continue;
        }
        // if scope does not exist and we are not in the root, create a child scope
        if (!scope.hasChildScope(child) && !scope.equals(root)) {
          scope.createChildScope(child);
        }
        // get child scope
        scope = scope.getScope(child);
        // if the scope is null then the room was not found
        if (scope == null) {
          throw new ScopeNotFoundException(scope, child);
        }
        // some scopes don't implement IScope, such as SharedObjectScope
        if (scope instanceof IScope) {
          if (scope.getType().equals(ScopeType.APPLICATION) && ((WebScope) scope).isShuttingDown()) {
            throw new ScopeShuttingDownException(scope);
          }
        }
      }
    }

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  private void sendStartNotifications(IEventListener source) {
    if (sendStartNotification) {
      // notify handler that stream starts recording/publishing
      sendStartNotification = false;
      if (source instanceof IConnection) {
        IScope scope = ((IConnection) source).getScope();
        if (scope.hasHandler()) {
          final Object handler = scope.getHandler();
          if (handler instanceof IStreamAwareScopeHandler) {
            if (recordingListener != null && recordingListener.get().isRecording()) {
              // callback for record start
              ((IStreamAwareScopeHandler) handler).streamRecordStart(this);
            } else {

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  /** {@inheritDoc} */
  public void start() {
    //ensure the play engine exists
    if (engine == null) {
      IScope scope = getScope();
      if (scope != null) {
        IContext ctx = scope.getContext();
        if (ctx.hasBean(ISchedulingService.BEAN_NAME)) {
          schedulingService = (ISchedulingService) ctx.getBean(ISchedulingService.BEAN_NAME);
        } else {
          //try the parent
          schedulingService = (ISchedulingService) scope.getParent().getContext().getBean(ISchedulingService.BEAN_NAME);
        }
        IConsumerService consumerService = null;
        if (ctx.hasBean(IConsumerService.KEY)) {
          consumerService = (IConsumerService) ctx.getBean(IConsumerService.KEY);
        } else {
          //try the parent
          consumerService = (IConsumerService) scope.getParent().getContext().getBean(IConsumerService.KEY);
        }
        IProviderService providerService = null;
        if (ctx.hasBean(IProviderService.BEAN_NAME)) {
          providerService = (IProviderService) ctx.getBean(IProviderService.BEAN_NAME);
        } else {
          //try the parent
          providerService = (IProviderService) scope.getParent().getContext().getBean(IProviderService.BEAN_NAME);
        }


        engine = new PlayEngine.Builder(this, schedulingService, consumerService, providerService).build();
      } else {
        log.info("Scope was null on start");

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  private void setupScopes() {
    log.debug("-------------------------------------------------------------setupScopes");
    //Room 1
    // /default/junit/room1
    assertFalse(appScope.createChildScope("room1")); // room1 is defined in context xml file, this should fail
    IScope room1 = appScope.getScope("room1");
    log.debug("Room 1: {}", room1);
    assertTrue(room1.getDepth() == 2);
    IContext rmCtx1 = room1.getContext();
    log.debug("Context 1: {}", rmCtx1);
    //Room 2
    // /default/junit/room1/room2
    if (room1.getScope("room2") == null) {
      assertTrue(room1.createChildScope("room2"));
    }
    IScope room2 = room1.getScope("room2");
    log.debug("Room 2: {}", room2);
    assertNotNull(room2);
    assertTrue(room2.getDepth() == 3);
    IContext rmCtx2 = room2.getContext();
    log.debug("Context 2: {}", rmCtx2);
    //Room 3
    // /default/junit/room1/room2/room3
    if (room2.getScope("room3") == null) {
      assertTrue(room2.createChildScope("room3"));
    }
    IScope room3 = room2.getScope("room3");
    log.debug("Room 3: {}", room3);
    assertNotNull(room3);
    assertTrue(room3.getDepth() == 4);
    IContext rmCtx3 = room3.getContext();
    log.debug("Context 3: {}", rmCtx3);
    //Room 4 attaches at Room 1 (per bug example)
    // /default/junit/room1/room4
    if (room1.getScope("room4") == null) {
      assertTrue(room1.createChildScope("room4"));
    }
    IScope room4 = room1.getScope("room4");
    log.debug("Room 4: {}", room4);
    assertNotNull(room4);
    assertTrue(room4.getDepth() == 3);
    IContext rmCtx4 = room4.getContext();
    log.debug("Context 4: {}", rmCtx4);
    //Room 5
    // /default/junit/room1/room4/room5
    if (room4.getScope("room5") == null) {
      assertTrue(room4.createChildScope("room5"));
    }
    IScope room5 = room4.getScope("room5");
    log.debug("Room 5: {}", room5);
    assertNotNull(room5);
    assertTrue(room5.getDepth() == 4);
    IContext rmCtx5 = room5.getContext();
    log.debug("Context 5: {}", rmCtx5);
  }

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