Examples of org.apache.curator.framework.CuratorFramework.checkExists()

Class org.apache.curator.framework.CuratorFramework

Examples of org.apache.curator.framework.CuratorFramework.checkExists()

org.apache.curator.framework.CuratorFramework.checkExists()
Start an exists builder
The builder will return a Stat object as if org.apache.zookeeper.ZooKeeper.exists() were called. Thus, a null means that it does not exist and an actual Stat object means it does exist. @return builder object

                    }
                }
            };
            client.getConnectionStateListenable().addListener(listener);


            client.checkExists().forPath("/");


            server.close();


            Assert.assertTrue(timing.awaitLatch(lostLatch));

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            Assert.assertTrue(timing.awaitLatch(lostLatch));


            try
            {
                client.checkExists().forPath("/");
                Assert.fail();
            }
            catch ( KeeperException.ConnectionLossException e )
            {
                // correct

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            {
                // correct
            }


            server = new TestingServer(server.getPort());
            client.checkExists().forPath("/");
        }
        finally
        {
            Closeables.closeQuietly(client);
        }

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                    {
                        sessionDied.set(true);
                    }
                }
            };
            client.checkExists().usingWatcher(watcher).forPath("/sessionTest");
            KillSession.kill(client.getZookeeperClient().getZooKeeper(), server.getConnectString());
            Assert.assertNotNull(client.checkExists().forPath("/sessionTest"));
            Assert.assertTrue(sessionDied.get());
        }
        finally

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                    }
                }
            };
            client.checkExists().usingWatcher(watcher).forPath("/sessionTest");
            KillSession.kill(client.getZookeeperClient().getZooKeeper(), server.getConnectString());
            Assert.assertNotNull(client.checkExists().forPath("/sessionTest"));
            Assert.assertTrue(sessionDied.get());
        }
        finally
        {
            Closeables.closeQuietly(client);

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                        @Override
                        public void eventReceived(CuratorFramework client, CuratorEvent event) throws Exception
                        {
                            if ( event.getType() == CuratorEventType.EXISTS )
                            {
                                Stat stat = client.checkExists().forPath("/yo/yo/yo");
                                Assert.assertNull(stat);


                                client.create().inBackground(event.getContext()).forPath("/what");
                            }
                            else if ( event.getType() == CuratorEventType.CREATE )

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                        }
                    }
                );


            CountDownLatch latch = new CountDownLatch(1);
            client.checkExists().inBackground(latch).forPath("/hey");
            Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
        }
        finally
        {
            Closeables.closeQuietly(client);

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                            }
                        }
                    }
                );


            client.checkExists().forPath("/hey");
            client.checkExists().inBackground().forPath("/hey");


            server.stop();


            client.checkExists().inBackground().forPath("/hey");

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                        }
                    }
                );


            client.checkExists().forPath("/hey");
            client.checkExists().inBackground().forPath("/hey");


            server.stop();


            client.checkExists().inBackground().forPath("/hey");
            Assert.assertTrue(timing.awaitLatch(latch));

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            client.checkExists().forPath("/hey");
            client.checkExists().inBackground().forPath("/hey");


            server.stop();


            client.checkExists().inBackground().forPath("/hey");
            Assert.assertTrue(timing.awaitLatch(latch));
        }
        finally
        {
            Closeables.closeQuietly(client);

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