示例#1
0
  /**
   * @param ctx FacesContext.
   * @param viewId the view ID to check or null if viewId is unknown.
   * @return <code>true</code> if partial state saving should be used for the specified view ID,
   *     otherwise <code>false</code>
   */
  public boolean isPartialStateSaving(FacesContext ctx, String viewId) {
    // track UIViewRoot changes
    UIViewRoot root = ctx.getViewRoot();
    UIViewRoot refRoot = viewRootRef.get();
    if (root != refRoot) {
      // set weak reference to current viewRoot
      this.viewRootRef = new WeakReference<UIViewRoot>(root);

      // On first call in restore phase, viewRoot is null, so we treat the first
      // change to not null not as a changing viewRoot.
      if (refRoot != null) {
        // view root changed in request processing - force usage of a
        // new AddRemoveListener instance for the new viewId ...
        modListener = null;
        // ... and also force check for partial state saving for the new viewId
        partialLocked = false;
      }
    }

    if (!partialLocked) {
      if (viewId == null) {
        if (root != null) {
          viewId = root.getViewId();
        } else {
          // View root has not yet been initialized.  Check to see whether
          // the target view id has been stashed away for us.
          viewId = (String) ctx.getAttributes().get(RIConstants.VIEWID_KEY_NAME);
        }
      }

      partial = stateInfo.usePartialStateSaving(viewId);
      partialLocked = true;
    }
    return partial;
  }
示例#2
0
  /**
   * @param viewId the view ID to check
   * @return <code>true</code> if partial state saving should be used for the specified view ID,
   *     otherwise <code>false</code>
   */
  public boolean partialStateSaving(String viewId) {
    // track UIViewRoot changes
    UIViewRoot root = ctx.getViewRoot();
    UIViewRoot refRoot = viewRootRef.get();
    if (root != refRoot) {
      // set weak reference to current viewRoot
      this.viewRootRef = new WeakReference<UIViewRoot>(root);

      // On first call in restore phase, viewRoot is null, so we treat the first
      // change to not null not as a changing viewRoot.
      if (refRoot != null) {
        // view root changed in request processing - force usage of a
        // new AddRemoveListener instance for the new viewId ...
        modListener = null;
        // ... and also force check for partial state saving for the new viewId
        partialLocked = false;
      }
    }

    if (!partialLocked) {
      partial = stateInfo.usePartialStateSaving(viewId);
      partialLocked = true;
    }
    return partial;
  }