protected void addChildCollection( Collection child ) throws XMLDBException { childCollections.put( child.getName(), child ); }
protected void addChildCollection(Collection child) throws XMLDBException { if (childCollections == null) readCollection(); childCollections.put(child.getName(), child); }
    protected void addChildCollection( Collection child )         throws XMLDBException {        childCollections.put( child.getName(), child );    }