Package org.apache.zookeeper.AsyncCallback

Examples of org.apache.zookeeper.AsyncCallback.DataCallback

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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.cb instanceof VoidCallback) {
                      VoidCallback cb = (VoidCallback) p.cb;
                      cb.processResult(rc, clientPath, p.ctx);
                  }
              }
          } catch (Throwable t) {
              LOG.error("Caught unexpected throwable", t);
          }
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        }, null);
    }

    @Override
    public void readLedgerMetadata(final long ledgerId, final GenericCallback<LedgerMetadata> readCb) {
        zk.getData(getLedgerPath(ledgerId), false, new DataCallback() {
            @Override
            public void processResult(int rc, String path, Object ctx, byte[] data, Stat stat) {
                if (rc == KeeperException.Code.NONODE.intValue()) {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug("No such ledger: " + ledgerId,
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                                }
                            } else {
                                cb.processResult(rc, path, 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, path, p.ctx,
                                        rsp.getData(), rsp.getStat());
                            } else {
                                cb.processResult(rc, path, 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, path, p.ctx, rsp.getAcl(),
                                        rsp.getStat());
                            } else {
                                cb.processResult(rc, path, 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, path, p.ctx, rsp
                                        .getChildren());
                            } else {
                                cb.processResult(rc, path, p.ctx, null);
                            }
                        } else if (p.response instanceof CreateResponse) {
                            StringCallback cb = (StringCallback) p.cb;
                            CreateResponse rsp = (CreateResponse) p.response;
                            if (rc == 0) {
                                cb
                                        .processResult(rc, path, p.ctx, rsp
                                                .getPath());
                            } else {
                                cb.processResult(rc, path, p.ctx, null);
                            }
                        } else if (p.cb instanceof VoidCallback) {
                            VoidCallback cb = (VoidCallback) p.cb;
                            cb.processResult(rc, path, p.ctx);
                        }
                    }
                }
            } catch (InterruptedException e) {
                LOG.warn("Event thread exiting due to interruption", e);
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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 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.cb instanceof VoidCallback) {
                                VoidCallback cb = (VoidCallback) p.cb;
                                cb.processResult(rc, clientPath, p.ctx);
                            }
                        }
                    } catch (Throwable t) {
                        LOG.error("Caught unexpected throwable", t);
                    }
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                              (clientCnxn.zooKeeperSaslClient.getSaslState() == ZooKeeperSaslClient.SaslState.FAILED)) {
                          queueEvent(new WatchedEvent(EventType.None,
                                  KeeperState.AuthFailed, 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.cb instanceof VoidCallback) {
                      VoidCallback cb = (VoidCallback) p.cb;
                      cb.processResult(rc, clientPath, p.ctx);
                  }
              }
          } catch (Throwable t) {
              LOG.error("Caught unexpected throwable", t);
          }
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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.cb instanceof VoidCallback) {
                      VoidCallback cb = (VoidCallback) p.cb;
                      cb.processResult(rc, clientPath, p.ctx);
                  }
              }
          } catch (Throwable t) {
              LOG.error("Caught unexpected throwable", t);
          }
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                                    }
                                } else {
                                    cb.processResult(rc, path, 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, path, p.ctx, rsp
                                            .getData(), rsp.getStat());
                                } else {
                                    cb.processResult(rc, path, 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, path, p.ctx, rsp
                                            .getAcl(), rsp.getStat());
                                } else {
                                    cb.processResult(rc, path, 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, path, p.ctx, rsp
                                            .getChildren());
                                } else {
                                    cb.processResult(rc, path, p.ctx, null);
                                }
                            } else if (p.response instanceof CreateResponse) {
                                StringCallback cb = (StringCallback) p.cb;
                                CreateResponse rsp = (CreateResponse) p.response;
                                if (rc == 0) {
                                    cb.processResult(rc, path, p.ctx, rsp
                                            .getPath());
                                } else {
                                    cb.processResult(rc, path, p.ctx, null);
                                }
                            } else if (p.cb instanceof VoidCallback) {
                                VoidCallback cb = (VoidCallback) p.cb;
                                cb.processResult(rc, path, p.ctx);
                            }
                        }
                    } catch (Throwable t) {
                        LOG.error("Caught unexpected throwable", t);
                    }
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        }, null);
    }

    @Override
    public void readLedgerMetadata(final long ledgerId, final GenericCallback<LedgerMetadata> readCb) {
        zk.getData(getLedgerPath(ledgerId), false, new DataCallback() {
            @Override
            public void processResult(int rc, String path, Object ctx, byte[] data, Stat stat) {
                if (rc == KeeperException.Code.NONODE.intValue()) {
                    if (LOG.isDebugEnabled()) {
                        LOG.debug("No such ledger: " + ledgerId,
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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.cb instanceof VoidCallback) {
                                VoidCallback cb = (VoidCallback) p.cb;
                                cb.processResult(rc, clientPath, p.ctx);
                            }
                        }
                    } catch (Throwable t) {
                        LOG.error("Caught unexpected throwable", t);
                    }
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        this.getChangedData = getChangedData;
    }

    @Override
    protected void installWatch() {
        connection.getData(getNode(), this, new DataCallback() {
            public void processResult(int rc, String path, Object ctx, byte[] data, Stat stat) {
            }
        }, null);
    }
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Related Classes of org.apache.zookeeper.AsyncCallback.DataCallback

  • org.apache.bookkeeper.client.LedgerHandle
  • org.apache.bookkeeper.meta.AbstractZkLedgerManager
  • org.apache.camel.component.zookeeper.operations.DataChangedOperation
  • org.apache.zookeeper.ClientCnxn$EventThread
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