public ClientContext(SingletonReservation reservation, ClientInfo info, AccumuloConfiguration serverConf) { this.info = info; this.hadoopConf = info.getHadoopConf(); zooCache = new ZooCacheFactory().getZooCache(info.getZooKeepers(), info.getZooKeepersSessionTimeOut()); this.serverConf = serverConf; timeoutSupplier = memoizeWithExpiration( () -> getConfiguration().getTimeInMillis(Property.GENERAL_RPC_TIMEOUT)); sslSupplier = memoizeWithExpiration(() -> SslConnectionParams.forClient(getConfiguration())); saslSupplier = memoizeWithExpiration( () -> SaslConnectionParams.from(getConfiguration(), getCredentials().getToken())); this.singletonReservation = Objects.requireNonNull(reservation); this.tableops = new TableOperationsImpl(this); this.namespaceops = new NamespaceOperationsImpl(this, tableops); }