Java Code Examples for com.vaadin.flow.server.VaadinSession#getCurrent()
The following examples show how to use
com.vaadin.flow.server.VaadinSession#getCurrent() .
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Example 1
Source File: ElementAttributeMap.java From flow with Apache License 2.0 | 5 votes |
private void doSetResource(String attribute, AbstractStreamResource resource) { final URI targetUri; if (VaadinSession.getCurrent() != null) { final StreamResourceRegistry resourceRegistry = VaadinSession .getCurrent().getResourceRegistry(); targetUri = resourceRegistry.getTargetURI(resource); } else { targetUri = StreamResourceRegistry.getURI(resource); } set(attribute, targetUri.toASCIIString()); }
Example 2
Source File: PendingJavaScriptResult.java From flow with Apache License 2.0 | 5 votes |
/** * Creates a typed completable future that will be completed with the result * of the execution. It will be completed asynchronously when the result of * the execution is sent back to the server. It is not possible to * synchronously wait for the result of the execution while holding the * session lock since the request handling thread that makes the result * available will also need to lock the session. * <p> * A completable future can only be created before the execution has been * sent to the browser. * * @param targetType * the type to convert the JavaScript return value to, not * <code>null</code> * * @return a completable future that will be completed based on the * execution results, not <code>null</code> */ default <T> CompletableFuture<T> toCompletableFuture(Class<T> targetType) { if (targetType == null) { throw new IllegalArgumentException("Target type cannot be null"); } /* * Assuming that subscription is only done for the currently locked * session. This is quite safe since you cannot subscribe any more after * the request has been sent to the client. * * This is the only way of catching the potentially common case of * blocking on a pending result for an element that hasn't yet even been * attached to a session. */ VaadinSession session = VaadinSession.getCurrent(); CompletableFuture<T> completableFuture = new DeadlockDetectingCompletableFuture<>( session); then(value -> { T convertedValue = JsonCodec.decodeAs(value, targetType); completableFuture.complete(convertedValue); }, errorValue -> { JavaScriptException exception = new JavaScriptException(errorValue); completableFuture.completeExceptionally(exception); }); return completableFuture; }
Example 3
Source File: Router.java From flow with Apache License 2.0 | 5 votes |
public RouteRegistry getRegistry() { // If we have a session then return the session registry // else return router registry if (VaadinSession.getCurrent() != null) { return SessionRouteRegistry .getSessionRegistry(VaadinSession.getCurrent()); } return registry; }
Example 4
Source File: MockUI.java From flow with Apache License 2.0 | 5 votes |
private static VaadinSession findOrCreateSession() { VaadinSession session = VaadinSession.getCurrent(); if (session == null) { session = createSession(); } return session; }
Example 5
Source File: HierarchicalCommunicatorDataTest.java From flow with Apache License 2.0 | 5 votes |
private static VaadinSession findOrCreateSession() { VaadinSession session = VaadinSession.getCurrent(); if (session == null) { session = new DataCommunicatorTest.AlwaysLockedVaadinSession( null); VaadinSession.setCurrent(session); } return session; }
Example 6
Source File: DataCommunicatorTest.java From flow with Apache License 2.0 | 5 votes |
private static VaadinSession findOrcreateSession() { VaadinSession session = VaadinSession.getCurrent(); if (session == null) { session = new AlwaysLockedVaadinSession(null); VaadinSession.setCurrent(session); } return session; }
Example 7
Source File: AbstractListDataViewListenerTest.java From flow with Apache License 2.0 | 5 votes |
private static VaadinSession findOrcreateSession() { VaadinSession session = VaadinSession.getCurrent(); if (session == null) { session = new AlwaysLockedVaadinSession(null); VaadinSession.setCurrent(session); } return session; }
Example 8
Source File: MockUI.java From flow with Apache License 2.0 | 5 votes |
private static VaadinSession findOrCreateSession() { VaadinSession session = VaadinSession.getCurrent(); if (session == null) { session = new AlwaysLockedVaadinSession(Mockito.mock(VaadinService.class)); VaadinSession.setCurrent(session); } return session; }