Examples with Function org.eclipse.che.api.promises.client.Function used on opensource projects

Example 16 with Function

use of org.eclipse.che.api.promises.client.Function in project che by eclipse.

the class WorkspaceComponent method handleWorkspaceEvents.

/**
     * Listens message bus and handles workspace events.
     *
     * @param workspace
     *         workspace to listen
     * @param callback
     *         callback
     * @param restoreFromSnapshot
     *         restore or not the workspace from snapshot
     */
public void handleWorkspaceEvents(final WorkspaceDto workspace, final Callback<Component, Exception> callback, final Boolean restoreFromSnapshot) {
    this.callback = callback;
    if (messageBus != null) {
        messageBus.cancelReconnection();
    }
    messageBus = messageBusProvider.createMessageBus();
    messageBus.addOnOpenHandler(new ConnectionOpenedHandler() {

        @Override
        public void onOpen() {
            loader.show(STARTING_WORKSPACE_RUNTIME);
            messageBus.removeOnOpenHandler(this);
            setCurrentWorkspace(workspace);
            workspaceEventsHandler.trackWorkspaceEvents(workspace, callback);
            final WorkspaceStatus workspaceStatus = workspace.getStatus();
            switch(workspaceStatus) {
                case SNAPSHOTTING:
                    loader.show(CREATING_WORKSPACE_SNAPSHOT);
                    break;
                case STARTING:
                    eventBus.fireEvent(new WorkspaceStartingEvent(workspace));
                    break;
                case RUNNING:
                    Scheduler.get().scheduleDeferred(new Scheduler.ScheduledCommand() {

                        @Override
                        public void execute() {
                            loader.setSuccess(STARTING_WORKSPACE_RUNTIME);
                            eventBus.fireEvent(new WorkspaceStartedEvent(workspace));
                        }
                    });
                    break;
                default:
                    //
                    workspaceServiceClient.getSettings().then(new Function<Map<String, String>, Map<String, String>>() {

                        @Override
                        public Map<String, String> apply(Map<String, String> settings) throws FunctionException {
                            if (Boolean.parseBoolean(settings.getOrDefault(CHE_WORKSPACE_AUTO_START, "true"))) {
                                startWorkspaceById(workspace.getId(), workspace.getConfig().getDefaultEnv(), restoreFromSnapshot);
                            } else {
                                loader.show(WORKSPACE_STOPPED);
                            }
                            return settings;
                        }
                    });
            }
        }
    });
}

Example 17 with Function

use of org.eclipse.che.api.promises.client.Function in project che by eclipse.

the class CopyPasteManager method pasteSuccessively.

private Promise<Void> pasteSuccessively(Promise<Void> promise, Resource[] resources, int position, final Path destination) {
    if (position == resources.length) {
        return promise;
    }
    final Resource resource = resources[position];
    final Promise<Void> derivedPromise;
    if (move) {
        derivedPromise = promise.thenPromise(new Function<Void, Promise<Void>>() {

            @Override
            public Promise<Void> apply(Void ignored) throws FunctionException {
                return moveResource(resource, destination.append(resource.getName()));
            }
        });
    } else {
        derivedPromise = promise.thenPromise(new Function<Void, Promise<Void>>() {

            @Override
            public Promise<Void> apply(Void ignored) throws FunctionException {
                return copyResource(resource, destination.append(resource.getName()));
            }
        });
    }
    return pasteSuccessively(derivedPromise, resources, ++position, destination);
}