Examples of com.aerospike.client.cluster.Node

com.aerospike.client.cluster.Node
Server node representation. This class manages server node connections and health status.

    sb.append(language);
    sb.append(";");
    
    // Send UDF to one node. That node will distribute the UDF to other nodes.
    String command = sb.toString();
    Node node = cluster.getRandomNode();
    int timeout = (policy == null)? 0 : policy.timeout;
    Connection conn = node.getConnection(timeout);
    
    try {      
      Info info = new Info(conn, command);
      NameValueParser parser = info.getNameValueParser();
      String error = null;
      String file = null;
      String line = null;
      String message = null;
      
      while (parser.next()) {
        String name = parser.getName();


        if (name.equals("error")) {
          error = parser.getValue();
        }
        else if (name.equals("file")) {
          file = parser.getValue();        
        }
        else if (name.equals("line")) {
          line = parser.getValue();        
        }
        else if (name.equals("message")) {
          message = parser.getStringBase64();          
        }
      }
      
      if (error != null) {      
        throw new AerospikeException("Registration failed: " + error + Environment.Newline +
          "File: " + file + Environment.Newline + 
          "Line: " + line + Environment.Newline +
          "Message: " + message
          );
      }
      
      node.putConnection(conn);
      return new RegisterTask(cluster, serverPath);
    }
    catch (AerospikeException ae) {
      conn.close();
      throw ae;

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    }
    return names;
  }
  
  private String sendInfoCommand(Policy policy, String command) throws AerospikeException {    
    Node node = cluster.getRandomNode();
    int timeout = (policy == null)? 0 : policy.timeout;
    Connection conn = node.getConnection(timeout);
    Info info;
    
    try {
      info = new Info(conn, command);
      node.putConnection(conn);
    }
    catch (AerospikeException ae) {
      conn.close();
      throw ae;
    }

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   *                 Aerospike 2 servers ignore this parameter.
   * @throws AerospikeException  if scan fails
   */
  public final void scanNode(ScanPolicy policy, String nodeName, String namespace, String setName, ScanCallback callback, String... binNames) 
    throws AerospikeException {    
    Node node = cluster.getNode(nodeName);
    scanNode(policy, node, namespace, setName, callback, binNames);
  }

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    sb.append(language);
    sb.append(";");
    
    // Send UDF to one node. That node will distribute the UDF to other nodes.
    String command = sb.toString();
    Node node = cluster.getRandomNode();
    int timeout = (policy == null)? 0 : policy.timeout;
    Connection conn = node.getConnection(timeout);
    
    try {      
      Info info = new Info(conn, command);
      NameValueParser parser = info.getNameValueParser();
      String error = null;
      String file = null;
      String line = null;
      String message = null;
      
      while (parser.next()) {
        String name = parser.getName();


        if (name.equals("error")) {
          error = parser.getValue();
        }
        else if (name.equals("file")) {
          file = parser.getValue();        
        }
        else if (name.equals("line")) {
          line = parser.getValue();        
        }
        else if (name.equals("message")) {
          message = parser.getStringBase64();          
        }
      }
      
      if (error != null) {      
        throw new AerospikeException("Registration failed: " + error + Environment.Newline +
          "File: " + file + Environment.Newline + 
          "Line: " + line + Environment.Newline +
          "Message: " + message
          );
      }
      
      node.putConnection(conn);
      return new RegisterTask(cluster, serverPath);
    }
    catch (RuntimeException re) {
      conn.close();
      throw re;

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    }
    return names;
  }
  
  private String sendInfoCommand(Policy policy, String command) throws AerospikeException {    
    Node node = cluster.getRandomNode();
    int timeout = (policy == null)? 0 : policy.timeout;
    Connection conn = node.getConnection(timeout);
    Info info;
    
    try {
      info = new Info(conn, command);
      node.putConnection(conn);
    }
    catch (RuntimeException re) {
      conn.close();
      throw re;
    }

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    dataBuffer[dataOffset++] = id;
  }


  private void executeCommand(Cluster cluster, AdminPolicy policy) throws AerospikeException {
    writeSize();
    Node node = cluster.getRandomNode();
    int timeout = (policy == null) ? 1000 : policy.timeout;
    Connection conn = node.getConnection(timeout);


    try {
      conn.write(dataBuffer, dataOffset);
      conn.readFully(dataBuffer, HEADER_SIZE);
      node.putConnection(conn);
    }
    catch (Exception e) {
      // All IO exceptions are considered fatal.  Do not retry.
      // Close socket to flush out possible garbage.  Do not put back in pool.
      conn.close();

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    }
  }


  public void readUsers(Cluster cluster, AdminPolicy policy, List<UserRoles> list) throws AerospikeException {
    writeSize();
    Node node = cluster.getRandomNode();
    int timeout = (policy == null) ? 1000 : policy.timeout;
    int status = 0;
    Connection conn = node.getConnection(timeout);


    try {
      conn.write(dataBuffer, dataOffset);
      status = readUserBlocks(conn, list);
      node.putConnection(conn);
    }
    catch (Exception e) {
      // Garbage may be in socket.  Do not put back into pool.
      conn.close();
      throw new AerospikeException(e);

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    for (int i = 0; i < keys.length; i++) {
      Key key = keys[i];
      Partition partition = new Partition(key);      
      BatchNode batchNode;
      
      Node node = cluster.getNode(partition);
      batchNode = findBatchNode(batchNodes, node);
      
      if (batchNode == null) {
        batchNodes.add(new BatchNode(node, keysPerNode, key.namespace, i));
      }

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Related Classes of com.aerospike.client.cluster.Node

com.aerospike.client.AerospikeClient

com.aerospike.client.command.AdminCommand

com.aerospike.client.command.BatchNode

com.aerospike.client.command.SyncCommand

com.aerospike.client.Host

java.util.concurrent.atomic.AtomicInteger

com.aerospike.client.AerospikeException

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