/** * The asynchronous version of getChildren. * * @since 3.3.0 * * @see #getChildren(String, Watcher, Stat) */ public void getChildren(final String path, Watcher watcher, Children2Callback cb, Object ctx) { final String clientPath = path; PathUtils.validatePath(clientPath); // the watch contains the un-chroot path WatchRegistration wcb = null; if (watcher != null) { wcb = new ChildWatchRegistration(watcher, clientPath); } final String serverPath = prependChroot(clientPath); RequestHeader h = new RequestHeader(); h.setType(ZooDefs.OpCode.getChildren2); GetChildren2Request request = new GetChildren2Request(); request.setPath(serverPath); request.setWatch(watcher != null); GetChildren2Response response = new GetChildren2Response(); cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, clientPath, serverPath, ctx, wcb); }
/** * The Asynchronous version of getChildren. The request doesn't actually * until the asynchronous callback is called. * * @since 3.3.0 * * @see #getChildren(String, Watcher, Stat) */ public void getChildren(final String path, Watcher watcher, Children2Callback cb, Object ctx) { final String clientPath = path; PathUtils.validatePath(clientPath); // the watch contains the un-chroot path WatchRegistration wcb = null; if (watcher != null) { wcb = new ChildWatchRegistration(watcher, clientPath); } final String serverPath = prependChroot(clientPath); RequestHeader h = new RequestHeader(); h.setType(ZooDefs.OpCode.getChildren2); GetChildren2Request request = new GetChildren2Request(); request.setPath(serverPath); request.setWatch(watcher != null); GetChildren2Response response = new GetChildren2Response(); cnxn.queuePacket(h, new ReplyHeader(), request, response, cb, clientPath, serverPath, ctx, wcb); }
/** * For the given znode path return the stat and children list. * <p> * If the watch is non-null and the call is successful (no exception is thrown), * a watch will be left on the node with the given path. The watch willbe * triggered by a successful operation that deletes the node of the given * path or creates/delete a child under the node. * <p> * The list of children returned is not sorted and no guarantee is provided * as to its natural or lexical order. * <p> * A KeeperException with error code KeeperException.NoNode will be thrown * if no node with the given path exists. * * @since 3.3.0 * * @param path * @param watcher explicit watcher * @param stat stat of the znode designated by path * @return an unordered array of children of the node with the given path * @throws InterruptedException If the server transaction is interrupted. * @throws KeeperException If the server signals an error with a non-zero error code. * @throws IllegalArgumentException if an invalid path is specified */ public List<String> getChildren(final String path, Watcher watcher, Stat stat) throws KeeperException, InterruptedException { final String clientPath = path; PathUtils.validatePath(clientPath); // the watch contains the un-chroot path WatchRegistration wcb = null; if (watcher != null) { wcb = new ChildWatchRegistration(watcher, clientPath); } final String serverPath = prependChroot(clientPath); RequestHeader h = new RequestHeader(); h.setType(ZooDefs.OpCode.getChildren2); GetChildren2Request request = new GetChildren2Request(); request.setPath(serverPath); request.setWatch(watcher != null); GetChildren2Response response = new GetChildren2Response(); ReplyHeader r = cnxn.submitRequest(h, request, response, wcb); if (r.getErr() != 0) { throw KeeperException.create(KeeperException.Code.get(r.getErr()), clientPath); } if (stat != null) { DataTree.copyStat(response.getStat(), stat); } return response.getChildren(); }
public IGetChildren2Response() { this(new GetChildren2Response()); }
public IGetChildren2Response(List<String> children, Stat stat) { this(new GetChildren2Response(children, stat)); }
public IGetChildren2Response(GetChildren2Response record) { super(record); }
