Example usage for com.vaadin.util CurrentInstance setCurrent

Introduction

In this page you can find the example usage for com.vaadin.util CurrentInstance setCurrent.

Prototype

public static Map<Class<?>, CurrentInstance> setCurrent(VaadinSession session) 

Source Link

Document

Sets current instances for the VaadinSession and all related classes.

Usage

From source file:com.peergreen.webconsole.core.vaadin7.BaseUI.java

License:Open Source License

@Override
public void accessSynchronously(Runnable runnable) {
    Map<Class<?>, CurrentInstance> old = null;

    VaadinSession session = getSession();

    if (session == null) {
        throw new UIDetachedException();
    }//  w  w w .  j  a va 2s  .  c  om

    // TODO PGWK-7 - hack to avoid exception when another session had lock
    //VaadinService.verifyNoOtherSessionLocked(session);

    session.lock();
    try {
        if (getSession() == null) {
            // UI was detached after fetching the session but before we
            // acquired the lock.
            throw new UIDetachedException();
        }
        old = CurrentInstance.setCurrent(this);
        runnable.run();
    } finally {
        session.unlock();
        if (old != null) {
            CurrentInstance.restoreInstances(old);
        }
    }
}

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From source file:org.eclipse.hawkbit.ui.DispatcherRunnable.java

License:Open Source License

@Override
public void run() {
    CurrentInstance.setCurrent(session.getUIs().iterator().next());
    CurrentInstance.setCurrent(session);
    SecurityContextHolder.setContext(userContext);
    eventBus.publish(this, event);
}

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