/** * Creates a CNBindingEnumeration object. * * @param ctx Context to enumerate */ CNBindingEnumeration(CNCtx ctx, boolean isLookedUpCtx, Hashtable env) { // Get batch size to use String batch = (env != null ? (String) env.get(javax.naming.Context.BATCHSIZE) : null); if (batch != null) { try { batchsize = Integer.parseInt(batch); } catch (NumberFormatException e) { throw new IllegalArgumentException("Batch size not numeric: " + batch); } } _ctx = ctx; _ctx.incEnumCount(); this.isLookedUpCtx = isLookedUpCtx; _env = env; _bindingList = new BindingListHolder(); BindingIteratorHolder _bindingIterH = new BindingIteratorHolder(); // Perform listing and request that bindings be returned in _bindingIter // Upon return,_bindingList returns a zero length list _ctx._nc.list(0, _bindingList, _bindingIterH); _bindingIter = _bindingIterH.value; // Get first batch using _bindingIter if (_bindingIter != null) { more = _bindingIter.next_n(batchsize, _bindingList); } else { more = false; } counter = 0; }
/** Get the next batch using _bindingIter. Update the 'more' field. */ private boolean getMore() throws NamingException { try { more = _bindingIter.next_n(batchsize, _bindingList); counter = 0; // reset } catch (Exception e) { more = false; NamingException ne = new NamingException("Problem getting binding list"); ne.setRootCause(e); throw ne; } return more; }