Examples with ZkVersion org.apache.bookkeeper.meta.ZkVersion used on opensource projects

Example 26 with ZkVersion

use of org.apache.bookkeeper.meta.ZkVersion in project distributedlog by twitter.

the class SimpleLedgerAllocator method createAllocationData.

private static Future<Versioned<byte[]>> createAllocationData(final String allocatePath, final ZooKeeperClient zkc) {
    try {
        final Promise<Versioned<byte[]>> promise = new Promise<Versioned<byte[]>>();
        zkc.get().create(allocatePath, DistributedLogConstants.EMPTY_BYTES, zkc.getDefaultACL(), CreateMode.PERSISTENT, new org.apache.zookeeper.AsyncCallback.Create2Callback() {

            @Override
            public void processResult(int rc, String path, Object ctx, String name, Stat stat) {
                if (KeeperException.Code.OK.intValue() == rc) {
                    promise.setValue(new Versioned<byte[]>(DistributedLogConstants.EMPTY_BYTES, new ZkVersion(stat.getVersion())));
                } else if (KeeperException.Code.NODEEXISTS.intValue() == rc) {
                    Utils.zkGetData(zkc, allocatePath, false).proxyTo(promise);
                } else {
                    promise.setException(FutureUtils.zkException(KeeperException.create(KeeperException.Code.get(rc)), allocatePath));
                }
            }
        }, null);
        return promise;
    } catch (ZooKeeperClient.ZooKeeperConnectionException e) {
        return Future.exception(FutureUtils.zkException(e, allocatePath));
    } catch (InterruptedException e) {
        return Future.exception(FutureUtils.zkException(e, allocatePath));
    }
}