Examples of org.apache.zookeeper.Op$Delete

org.apache.zookeeper.Op
Represents a single operation in a multi-operation transaction. Each operation can be a create, update or delete or can just be a version check. Sub-classes of Op each represent each detailed type but should not normally be referenced except via the provided factory methods. @see ZooKeeper#create(String,byte[],java.util.List,CreateMode) @see ZooKeeper#create(String,byte[],java.util.List,CreateMode,org.apache.zookeeper.AsyncCallback.StringCallback,Object) @see ZooKeeper#delete(String,int) @see ZooKeeper#setData(String,byte[],int)

    public void testChRootCreateDelete() throws Exception {
        // creating the subtree for chRoot clients.
        String chRoot = createNameSpace();
        // Creating child using chRoot client.
        zk_chroot = createClient(this.hostPort + chRoot);
        Op createChild = Op.create("/myid", new byte[0],
                Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        zk_chroot.multi(Arrays.asList(createChild));
        
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot, zk
                .exists(chRoot + "/myid", false));
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot,
                zk_chroot.exists("/myid", false));
        Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
                zk.exists("/myid", false));
        
        // Deleting child using chRoot client.
        Op deleteChild = Op.delete("/myid", 0);
        zk_chroot.multi(Arrays.asList(deleteChild));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk.exists(
                chRoot + "/myid", false));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk_chroot
                .exists("/myid", false));

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    private String createNameSpace() throws InterruptedException,
            KeeperException {
        // creating the subtree for chRoot clients.
        String chRoot = "/appsX";
        Op createChRoot = Op.create(chRoot, new byte[0], Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);
        zk.multi(Arrays.asList(createChRoot));
        return chRoot;
    }

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    public void testChRootCreateDelete() throws Exception {
        // creating the subtree for chRoot clients.
        String chRoot = createNameSpace();
        // Creating child using chRoot client.
        zk_chroot = createClient(this.hostPort + chRoot);
        Op createChild = Op.create("/myid", new byte[0],
                Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        multi(zk_chroot, Arrays.asList(createChild));
        
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot, zk
                .exists(chRoot + "/myid", false));
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot,
                zk_chroot.exists("/myid", false));
        Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
                zk.exists("/myid", false));
        
        // Deleting child using chRoot client.
        Op deleteChild = Op.delete("/myid", 0);
        multi(zk_chroot, Arrays.asList(deleteChild));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk.exists(
                chRoot + "/myid", false));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk_chroot
                .exists("/myid", false));

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    private String createNameSpace() throws InterruptedException,
            KeeperException {
        // creating the subtree for chRoot clients.
        String chRoot = "/appsX";
        Op createChRoot = Op.create(chRoot, new byte[0], Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);
        multi(zk, Arrays.asList(createChRoot));
        return chRoot;
    }

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    public void testChRootCreateDelete() throws Exception {
        // creating the subtree for chRoot clients.
        String chRoot = createNameSpace();
        // Creating child using chRoot client.
        zk_chroot = createClient(this.hostPort + chRoot);
        Op createChild = Op.create("/myid", new byte[0],
                Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        zk_chroot.multi(Arrays.asList(createChild));
        
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot, zk
                .exists(chRoot + "/myid", false));
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot,
                zk_chroot.exists("/myid", false));
        Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
                zk.exists("/myid", false));
        
        // Deleting child using chRoot client.
        Op deleteChild = Op.delete("/myid", 0);
        zk_chroot.multi(Arrays.asList(deleteChild));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk.exists(
                chRoot + "/myid", false));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk_chroot
                .exists("/myid", false));

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    private String createNameSpace() throws InterruptedException,
            KeeperException {
        // creating the subtree for chRoot clients.
        String chRoot = "/appsX";
        Op createChRoot = Op.create(chRoot, new byte[0], Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);
        zk.multi(Arrays.asList(createChRoot));
        return chRoot;
    }

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    public void testChRootCreateDelete() throws Exception {
        // creating the subtree for chRoot clients.
        String chRoot = createNameSpace();
        // Creating child using chRoot client.
        zk_chroot = createClient(this.hostPort + chRoot);
        Op createChild = Op.create("/myid", new byte[0],
                Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
        multi(zk_chroot, Arrays.asList(createChild));
        
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot, zk
                .exists(chRoot + "/myid", false));
        Assert.assertNotNull("zNode is not created under chroot:" + chRoot,
                zk_chroot.exists("/myid", false));
        Assert.assertNull("zNode is created directly under '/', ignored configured chroot",
                zk.exists("/myid", false));
        
        // Deleting child using chRoot client.
        Op deleteChild = Op.delete("/myid", 0);
        multi(zk_chroot, Arrays.asList(deleteChild));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk.exists(
                chRoot + "/myid", false));
        Assert.assertNull("zNode exists under chroot:" + chRoot, zk_chroot
                .exists("/myid", false));

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    private String createNameSpace() throws InterruptedException,
            KeeperException {
        // creating the subtree for chRoot clients.
        String chRoot = "/appsX";
        Op createChRoot = Op.create(chRoot, new byte[0], Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);
        multi(zk, Arrays.asList(createChRoot));
        return chRoot;
    }

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