Package org.apache.curator.framework

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

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        CuratorFrameworkFactory.Builder      builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
        client.start();
        try
        {
            client.create().creatingParentsIfNeeded().forPath("/one/two/three/four/five/six", "foo".getBytes());
            client.delete().deletingChildrenIfNeeded().forPath("/one/two/three/four/five");
            Assert.assertNull(client.checkExists().forPath("/one/two/three/four/five"));
            client.delete().deletingChildrenIfNeeded().forPath("/one/two");
            Assert.assertNull(client.checkExists().forPath("/one/two"));
        }
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        CuratorFrameworkFactory.Builder      builder = CuratorFrameworkFactory.builder();
        CuratorFramework client = builder.connectString(server.getConnectString()).retryPolicy(new RetryOneTime(1)).build();
        client.start();
        try
        {
            client.create().creatingParentsIfNeeded().forPath("/one/two/three/four/five/six", "foo".getBytes());
            client.delete().guaranteed().deletingChildrenIfNeeded().forPath("/one/two/three/four/five");
            Assert.assertNull(client.checkExists().forPath("/one/two/three/four/five"));
            client.delete().guaranteed().deletingChildrenIfNeeded().forPath("/one/two");
            Assert.assertNull(client.checkExists().forPath("/one/two"));
        }
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    {
        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            client.create().forPath("/head");

            for ( int i = 0; i < 10; ++i )
            {
                client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/head/child");
            }
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        {
            client.create().forPath("/head");

            for ( int i = 0; i < 10; ++i )
            {
                client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/head/child");
            }

            List<String>        children = client.getChildren().forPath("/head");
            Assert.assertEquals(children.size(), 10);
        }
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                        }
                    }
                }
            );

            client.create().forPath("/test", data1);

            CountDownLatch      backgroundLatch = new CountDownLatch(1);
            client.getData().watched().inBackground(backgroundLatch).forPath("/test");
            Assert.assertTrue(backgroundLatch.await(10, TimeUnit.SECONDS));
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                    }
                }
            );

            CountDownLatch     latch = new CountDownLatch(1);
            client.create().inBackground(latch).forPath("/test", new byte[]{1, 2, 3});
            Assert.assertTrue(latch.await(10, TimeUnit.SECONDS));
        }
        finally
        {
            client.close();
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        CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
        client.start();
        try
        {
            byte[]  writtenBytes = {1, 2, 3};
            client.create().forPath("/test", writtenBytes); // should be persistent

            client.close();
            client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
            client.start();
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            client.start();

            byte[]  readBytes = client.getData().forPath("/test");
            Assert.assertEquals(writtenBytes, readBytes);

            client.create().withMode(CreateMode.EPHEMERAL).forPath("/ghost", writtenBytes);

            client.close();
            client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
            client.start();
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            readBytes = client.getData().forPath("/test");
            Assert.assertEquals(writtenBytes, readBytes);
            Stat    stat = client.checkExists().forPath("/ghost");
            Assert.assertNull(stat);

            String  realPath = client.create().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/pseq", writtenBytes);
            Assert.assertNotSame(realPath, "/pseq");

            client.close();
            client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
            client.start();
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            client.start();

            readBytes = client.getData().forPath(realPath);
            Assert.assertEquals(writtenBytes, readBytes);

            realPath = client.create().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/eseq", writtenBytes);
            Assert.assertNotSame(realPath, "/eseq");

            client.close();
            client = CuratorFrameworkFactory.newClient(server.getConnectString(), new RetryOneTime(1));
            client.start();
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