content: /*
   * Copyright 2012-2021 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
  package com.aerospike.client.task;
  
  import com.aerospike.client.AerospikeException;
  import com.aerospike.client.Info;
  import com.aerospike.client.cluster.Cluster;
  import com.aerospike.client.cluster.Node;
  import com.aerospike.client.policy.Policy;
  
  /**
   * Task used to poll for UDF registration completion.
   */
  public final class RegisterTask extends Task {
  	private final String packageName;
  
  	/**
  	 * Initialize task with fields needed to query server nodes.
  	 */
  	public RegisterTask(Cluster cluster, Policy policy, String packageName) {
  		super(cluster, policy);
  		this.packageName = packageName;
  	}
  
  	/**
  	 * Query all nodes for task completion status.
  	 */
  	public int queryStatus() throws AerospikeException {
  		// All nodes must respond with package to be considered done.
  		Node[] nodes = cluster.validateNodes();
  
  		String command = "udf-list";
  
  		for (Node node : nodes) {
  			String response = Info.request(policy, node, command);
  			String find = "filename=" + packageName;
  			int index = response.indexOf(find);
  
  			if (index < 0) {
  				return Task.IN_PROGRESS;
  			}
  		}
  		return Task.COMPLETE;
  	}
  }
  