How to use

maybeCreate

method

in

org.apache.hadoop.registry.client.impl.zk.CuratorService

@Test
public void testMaybeCreate() throws Throwable {
 assertTrue(curatorService.maybeCreate("/p3", CreateMode.PERSISTENT,
   RegistrySecurity.WorldReadWriteACL, false));
 assertFalse(curatorService.maybeCreate("/p3", CreateMode.PERSISTENT,
   RegistrySecurity.WorldReadWriteACL, false));
}

@Test
public void testMaybeCreate() throws Throwable {
 assertTrue(curatorService.maybeCreate("/p3", CreateMode.PERSISTENT,
   RegistrySecurity.WorldReadWriteACL, false));
 assertFalse(curatorService.maybeCreate("/p3", CreateMode.PERSISTENT,
   RegistrySecurity.WorldReadWriteACL, false));
}

/**
 * Create an instance
 */
protected void createCuratorService() throws IOException {
 curatorService = new CuratorService("curatorService");
 curatorService.init(createRegistryConfiguration());
 curatorService.start();
 rootACL = RegistrySecurity.WorldReadWriteACL;
 curatorService.maybeCreate("", CreateMode.PERSISTENT, rootACL, true);
}

/**
 * Create an instance
 */
protected void createCuratorService() throws IOException {
 curatorService = new CuratorService("curatorService");
 curatorService.init(createRegistryConfiguration());
 curatorService.start();
 rootACL = RegistrySecurity.WorldReadWriteACL;
 curatorService.maybeCreate("", CreateMode.PERSISTENT, rootACL, true);
}