Package org.apache.zookeeper.AsyncCallback

Examples of org.apache.zookeeper.AsyncCallback.DataCallback

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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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                                    }
                                } 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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    }

    void rereadMetadata(final GenericCallback<Void> cb) {
        bk.getZkHandle().getData(bk.getLedgerManager().getLedgerPath(ledgerId), false,
                new DataCallback() {
                    public void processResult(int rc, String path,
                                              Object ctx, byte[] data, Stat stat) {
                        if (rc != KeeperException.Code.OK.intValue()) {
                            LOG.error("Error reading metadata from ledger, code =" + rc);
                            cb.operationComplete(BKException.Code.ZKException, 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.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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        readLedgerMetadata(ledgerId, readCb, null);
    }

    protected void readLedgerMetadata(final long ledgerId, final GenericCallback<LedgerMetadata> readCb,
                                      Watcher watcher) {
        zk.getData(getLedgerPath(ledgerId), watcher, 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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        this.sendEmptyMessageOnDelete = sendEmptyMessageOnDelete;
    }

    @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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                          }
                      } 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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                              (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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    }

    void rereadMetadata(final GenericCallback<LedgerMetadata> cb) {
        bk.getZkHandle().getData(bk.getLedgerManager().getLedgerPath(ledgerId), false,
            new DataCallback() {
                public void processResult(int rc, String path,
                                          Object ctx, byte[] data, Stat stat) {
                    if (rc != KeeperException.Code.OK.intValue()) {
                        LOG.error("Error reading metadata from ledger, code =" + rc);
                        cb.operationComplete(BKException.Code.ZKException, 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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