public static MigratePartitionLeaderInfo getMigratePartitionLeaderInfo ( ZooKeeper zk ) { try { byte [ ] data = zk . getData ( migrate_partition_leader_info , null , null ) ; if ( data != null ) { MigratePartitionLeaderInfo info = new MigratePartitionLeaderInfo ( data ) ; return info ; } } catch ( KeeperException | InterruptedException | JSONException e ) { } return null ; }
get MigratePartitionLeader information