Package org.apache.zookeeper.proto

Examples of org.apache.zookeeper.proto.GetDataResponse

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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getData);
        GetDataRequest request = new GetDataRequest();
        request.setPath(serverPath);
        request.setWatch(watcher != null);
        GetDataResponse response = new GetDataResponse();
        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.getData();
    }
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getData);
        GetDataRequest request = new GetDataRequest();
        request.setPath(serverPath);
        request.setWatch(watcher != null);
        GetDataResponse response = new GetDataResponse();
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb,
                clientPath, serverPath, ctx, wcb);
    }
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getData);
        GetDataRequest request = new GetDataRequest();
        request.setPath(configZnode);
        request.setWatch(watcher != null);
        GetDataResponse response = new GetDataResponse();
        ReplyHeader r = cnxn.submitRequest(h, request, response, wcb);
        if (r.getErr() != 0) {
            throw KeeperException.create(KeeperException.Code.get(r.getErr()),
                   configZnode);
        }
        if (stat != null) {
            DataTree.copyStat(response.getStat(), stat);
        }
        return response.getData();
    }
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        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.getData);
        GetDataRequest request = new GetDataRequest();
        request.setPath(configZnode);
        request.setWatch(watcher != null);
        GetDataResponse response = new GetDataResponse();
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb,
               configZnode, configZnode, ctx, wcb);
    }
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    public byte[] reconfig(String joiningServers, String leavingServers, String newMembers, long fromConfig, Stat stat) throws KeeperException, InterruptedException
    {
        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.reconfig);      
        ReconfigRequest request = new ReconfigRequest(joiningServers, leavingServers, newMembers, fromConfig);       
        GetDataResponse response = new GetDataResponse();      
        ReplyHeader r = cnxn.submitRequest(h, request, response, null);
        if (r.getErr() != 0) {
            throw KeeperException.create(KeeperException.Code.get(r.getErr()), "");
        }
        if (stat != null) {
            DataTree.copyStat(response.getStat(), stat);
        }
        return response.getData();
    }
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        String newMembers, long fromConfig, DataCallback cb, Object ctx)
    {
        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.reconfig);      
        ReconfigRequest request = new ReconfigRequest(joiningServers, leavingServers, newMembers, fromConfig);
        GetDataResponse response = new GetDataResponse();
        cnxn.queuePacket(h, new ReplyHeader(), request, response, cb,
               ZooDefs.CONFIG_NODE, ZooDefs.CONFIG_NODE, ctx, null);
    }
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                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null);
                      }
                  } else if (p.response instanceof GetDataResponse) {
                      DataCallback cb = (DataCallback) p.cb;
                      GetDataResponse rsp = (GetDataResponse) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx, rsp
                                  .getData(), rsp.getStat());
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null,
                                  null);
                      }
                  } else if (p.response instanceof GetACLResponse) {
                      ACLCallback cb = (ACLCallback) p.cb;
                      GetACLResponse rsp = (GetACLResponse) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx, rsp
                                  .getAcl(), rsp.getStat());
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null,
                                  null);
                      }
                  } else if (p.response instanceof GetChildrenResponse) {
                      ChildrenCallback cb = (ChildrenCallback) p.cb;
                      GetChildrenResponse rsp = (GetChildrenResponse) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx, rsp
                                  .getChildren());
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null);
                      }
                  } else if (p.response instanceof GetChildren2Response) {
                      Children2Callback cb = (Children2Callback) p.cb;
                      GetChildren2Response rsp = (GetChildren2Response) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx, rsp
                                  .getChildren(), rsp.getStat());
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null, null);
                      }
                  } else if (p.response instanceof CreateResponse) {
                      StringCallback cb = (StringCallback) p.cb;
                      CreateResponse rsp = (CreateResponse) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx,
                                  (chrootPath == null
                                          ? rsp.getPath()
                                          : rsp.getPath()
                                    .substring(chrootPath.length())));
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null);
                      }
                  } else if (p.response instanceof Create2Response) {
                    Create2Callback cb = (Create2Callback) p.cb;
                      Create2Response rsp = (Create2Response) p.response;
                      if (rc == 0) {
                          cb.processResult(rc, clientPath, p.ctx,
                                  (chrootPath == null
                                          ? rsp.getPath()
                                          : rsp.getPath()
                                    .substring(chrootPath.length())), rsp.getStat());
                      } else {
                          cb.processResult(rc, clientPath, p.ctx, null, null);
                      }                  
                  } else if (p.response instanceof MultiResponse) {
                    MultiCallback cb = (MultiCallback) p.cb;
                    MultiResponse rsp = (MultiResponse) p.response;
                    if (rc == 0) {
                      List<OpResult> results = rsp.getResultList();
                      int newRc = rc;
                      for (OpResult result : results) {
                        if (result instanceof ErrorResult
                            && KeeperException.Code.OK.intValue() != (newRc = ((ErrorResult) result)
                            .getErr())) {
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                err = Code.get(rc.err);
                break;
            }          
            case OpCode.reconfig: {
                lastOp = "RECO";              
                rsp = new GetDataResponse(((QuorumZooKeeperServer)zks).self.getQuorumVerifier().toString().getBytes(), rc.stat);
                err = Code.get(rc.err);
                break;
            }
            case OpCode.setACL: {
                lastOp = "SETA";
                rsp = new SetACLResponse(rc.stat);
                err = Code.get(rc.err);
                break;
            }
            case OpCode.closeSession: {
                lastOp = "CLOS";
                err = Code.get(rc.err);
                break;
            }
            case OpCode.sync: {
                lastOp = "SYNC";
                SyncRequest syncRequest = new SyncRequest();
                ByteBufferInputStream.byteBuffer2Record(request.request,
                        syncRequest);
                rsp = new SyncResponse(syncRequest.getPath());
                break;
            }
            case OpCode.check: {
                lastOp = "CHEC";
                rsp = new SetDataResponse(rc.stat);
                err = Code.get(rc.err);
                break;
            }
            case OpCode.exists: {
                lastOp = "EXIS";
                // TODO we need to figure out the security requirement for this!
                ExistsRequest existsRequest = new ExistsRequest();
                ByteBufferInputStream.byteBuffer2Record(request.request,
                        existsRequest);
                String path = existsRequest.getPath();
                if (path.indexOf('\0') != -1) {
                    throw new KeeperException.BadArgumentsException();
                }
                Stat stat = zks.getZKDatabase().statNode(path, existsRequest
                        .getWatch() ? cnxn : null);
                rsp = new ExistsResponse(stat);
                break;
            }
            case OpCode.getData: {
                lastOp = "GETD";
                GetDataRequest getDataRequest = new GetDataRequest();
                ByteBufferInputStream.byteBuffer2Record(request.request,
                        getDataRequest);
                DataNode n = zks.getZKDatabase().getNode(getDataRequest.getPath());
                if (n == null) {
                    throw new KeeperException.NoNodeException();
                }
                Long aclL;
                synchronized(n) {
                    aclL = n.acl;
                }
                PrepRequestProcessor.checkACL(zks, zks.getZKDatabase().convertLong(aclL),
                        ZooDefs.Perms.READ,
                        request.authInfo);
                Stat stat = new Stat();
                byte b[] = zks.getZKDatabase().getData(getDataRequest.getPath(), stat,
                        getDataRequest.getWatch() ? cnxn : null);
                rsp = new GetDataResponse(b, stat);
                break;
            }
            case OpCode.setWatches: {
                lastOp = "SETW";
                SetWatches setWatches = new SetWatches();
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Related Classes of org.apache.zookeeper.proto.GetDataResponse

  • org.apache.zookeeper.ClientCnxn$EventThread
  • org.apache.zookeeper.server.FinalRequestProcessor
  • org.apache.zookeeper.ZooKeeper
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