Package com.sun.jini.discovery

Class MulticastRequest

java.lang.Object
com.sun.jini.discovery.MulticastRequest
public class MulticastRequest extends Object
Class representing the values in a multicast request.
Since:
2.0
Author:
Sun Microsystems, Inc.

  • Field Details

    • host

      protected String host
      The client host.

    • port

      protected int port
      The client listen port.

    • groups

      protected String[] groups
      The groups of interest.

    • serviceIDs

      protected ServiceID[] serviceIDs
      The IDs of known lookup services.

  • Constructor Details

    • MulticastRequest

      public MulticastRequest(String host, int port, String[] groups, ServiceID[] serviceIDs)
      Creates a new MulticastRequest instance containing the given values. Arrays are copied; null array values are considered equivalent to empty arrays.
      Parameters:
      host - the client host
      port - the client listen port
      groups - the groups of interest
      serviceIDs - the IDs of known lookup services
      Throws:
      NullPointerException - if host is null, or if groups or serviceIDs contains null
      IllegalArgumentException - if port is out of range

  • Method Details

    • getHost

      public String getHost()
      Returns the client host name.
      Returns:
      the client host name

    • getPort

      public int getPort()
      Returns the client listen port.
      Returns:
      the client listen port

    • getGroups

      public String[] getGroups()
      Returns the groups targeted by the request.
      Returns:
      the groups targeted by the request

    • getServiceIDs

      public ServiceID[] getServiceIDs()
      Returns the service IDs of known lookup services.
      Returns:
      the service IDs of known lookup services

    • checkConstraints

      public void checkConstraints() throws IOException
      Checks if the constraints whose checking was delayed when this instance was decoded, if any, are satisfied. If the instance was not decoded, but directly constructed, this method does nothing.
      Throws:
      UnsupportedConstraintException - if unable to satisfy the specified constraints
      SecurityException - if the given constraints cannot be satisfied due to insufficient caller permissions, or if the client subject check fails
      IOException - if an error occurs in interpreting the data

    • toString

      public String toString()
      Returns string representation of this request.
      Overrides:
      toString in class Object
      Returns:
      string representation of this request