drools-eclipse/org.guvnor.tools/src/org/guvnor/tools/views/RepositoryContentProvider.java
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
        if (v instanceof AbstractTreeViewer) {
            viewer = (AbstractTreeViewer)v;
            manager = new DeferredTreeContentManager(this, viewer);
        }
    }
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
        if (v instanceof AbstractTreeViewer) {
            viewer = (AbstractTreeViewer)v;
            manager = new DeferredTreeContentManager(this, viewer);
        }
    }
/*
(non-Javadoc)
@see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)