Package org.apache.zookeeper.proto

Examples of org.apache.zookeeper.proto.GetChildrenRequest

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     */
    public List<String> getChildren(String path, Watcher watcher)
            throws KeeperException, InterruptedException {
        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(path);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ChildWatchRegistration(watcher, path);
        }
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     */
    public void getChildren(String path, Watcher watcher, ChildrenCallback cb,
            Object ctx) {
        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(path);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ChildWatchRegistration(watcher, path);
        }
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                List<ACL> acl =
                    zks.dataTree.getACL(getACLRequest.getPath(), stat);
                rsp = new GetACLResponse(acl, stat);
                break;
            case OpCode.getChildren:
                GetChildrenRequest getChildrenRequest = new GetChildrenRequest();
                ZooKeeperServer.byteBuffer2Record(request.request,
                        getChildrenRequest);
                stat = new Stat();
                n = zks.dataTree.getNode(getChildrenRequest.getPath());
                if (n == null) {
                    throw new KeeperException.NoNodeException();
                }
                PrepRequestProcessor.checkACL(zks, zks.dataTree.convertLong(n.acl),
                        ZooDefs.Perms.READ,
                        request.authInfo);
                List<String> children = zks.dataTree.getChildren(
                        getChildrenRequest.getPath(), stat, getChildrenRequest
                                .getWatch() ? request.cnxn : null);
                rsp = new GetChildrenResponse(children);
                break;
            }
        } catch (KeeperException e) {
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            throws KeeperException, InterruptedException {
        PathUtils.validatePath(path);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(path);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ChildWatchRegistration(watcher, path);
        }
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            Object ctx) {
        PathUtils.validatePath(path);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(path);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        WatchRegistration wcb = null;
        if (watcher != null) {
            wcb = new ChildWatchRegistration(watcher, path);
        }
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                rsp = new GetACLResponse(acl, stat);
                break;
            }
            case OpCode.getChildren: {
                lastOp = "GETC";
                GetChildrenRequest getChildrenRequest = new GetChildrenRequest();
                ZooKeeperServer.byteBuffer2Record(request.request,
                        getChildrenRequest);
                DataNode n = zks.getZKDatabase().getNode(getChildrenRequest.getPath());
                if (n == null) {
                    throw new KeeperException.NoNodeException();
                }
                Long aclG;
                synchronized(n) {
                    aclG = n.acl;
                   
                }
                PrepRequestProcessor.checkACL(zks, zks.getZKDatabase().convertLong(aclG),
                        ZooDefs.Perms.READ,
                        request.authInfo);
                List<String> children = zks.getZKDatabase().getChildren(
                        getChildrenRequest.getPath(), null, getChildrenRequest
                                .getWatch() ? cnxn : null);
                rsp = new GetChildrenResponse(children);
                break;
            }
            case OpCode.getChildren2: {
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        final String serverPath = prependChroot(clientPath);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(serverPath);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        ReplyHeader r = cnxn.submitRequest(h, request, response, wcb);
        if (r.getErr() != 0) {
            throw KeeperException.create(KeeperException.Code.get(r.getErr()),
                    clientPath);
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        final String serverPath = prependChroot(clientPath);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getChildren);
        GetChildrenRequest request = new GetChildrenRequest();
        request.setPath(serverPath);
        request.setWatch(watcher != null);
        GetChildrenResponse response = new GetChildrenResponse();
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb,
                clientPath, serverPath, ctx, wcb);
    }
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                rsp = new GetACLResponse(acl, stat);
                break;
            }
            case OpCode.getChildren: {
                lastOp = "GETC";
                GetChildrenRequest getChildrenRequest = new GetChildrenRequest();
                ZooKeeperServer.byteBuffer2Record(request.request,
                        getChildrenRequest);
                DataNode n = zks.getZKDatabase().getNode(getChildrenRequest.getPath());
                if (n == null) {
                    throw new KeeperException.NoNodeException();
                }
                Long aclG;
                synchronized(n) {
                    aclG = n.acl;
                   
                }
                PrepRequestProcessor.checkACL(zks, zks.getZKDatabase().convertLong(aclG),
                        ZooDefs.Perms.READ,
                        request.authInfo);
                List<String> children = zks.getZKDatabase().getChildren(
                        getChildrenRequest.getPath(), null, getChildrenRequest
                                .getWatch() ? cnxn : null);
                rsp = new GetChildrenResponse(children);
                break;
            }
            case OpCode.getChildren2: {
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                rsp = new GetACLResponse(acl, stat);
                break;
            }
            case OpCode.getChildren: {
                lastOp = "GETC";
                GetChildrenRequest getChildrenRequest = new GetChildrenRequest();
                ByteBufferInputStream.byteBuffer2Record(request.request,
                        getChildrenRequest);
                DataNode n = zks.getZKDatabase().getNode(getChildrenRequest.getPath());
                if (n == null) {
                    throw new KeeperException.NoNodeException();
                }
                Long aclG;
                synchronized(n) {
                    aclG = n.acl;
                   
                }
                PrepRequestProcessor.checkACL(zks, zks.getZKDatabase().convertLong(aclG),
                        ZooDefs.Perms.READ,
                        request.authInfo);
                List<String> children = zks.getZKDatabase().getChildren(
                        getChildrenRequest.getPath(), null, getChildrenRequest
                                .getWatch() ? cnxn : null);
                rsp = new GetChildrenResponse(children);
                break;
            }
            case OpCode.getChildren2: {
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Related Classes of org.apache.zookeeper.proto.GetChildrenRequest

  • org.apache.zookeeper.server.FinalRequestProcessor
  • org.apache.zookeeper.ZooKeeper
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