Package org.apache.uima.collection.impl.cpm.container.deployer.vns

Class VNSQuery

  • public class VNSQuery
extends java.lang.Object
    Connects to and querries a given VNS server for a list a services bound to a given name.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      class  VNSQuery.VinciVNSQuery
      Inner class used for accessing the VNS server.

    • Constructor Summary

      Constructors 
      Constructor Description
      VNSQuery​(java.lang.String aVnsHost, int aVnsPort)
      Connects to a VNS server identified by host and port

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static int findUnassigned​(java.util.ArrayList oldList, java.util.ArrayList newList)
      Diffs two lists of services and returns those that have not yet been assigned
      java.util.ArrayList getServices​(java.lang.String aName)
      Returns a list of services registered in the VNS and bound to a given name.
      java.util.ArrayList getUnassignedServices​(java.lang.String aName, java.util.ArrayList assignedServices)
      Returns a list of services that have not yet been assigned to any CPM proxy.
      static void main​(java.lang.String[] args)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • VNSQuery

        public VNSQuery​(java.lang.String aVnsHost,
                int aVnsPort)
         throws java.lang.Exception
        Connects to a VNS server identified by host and port
        Parameters:
        aVnsHost - - VNS host name
        aVnsPort - - VNS port number
        Throws:
        java.lang.Exception - - when unable to connect to VNS

    • Method Detail

      • getServices

        public java.util.ArrayList getServices​(java.lang.String aName)
                                throws java.lang.Exception
        Returns a list of services registered in the VNS and bound to a given name.
        Parameters:
        aName - - name of the service
        Returns:
        - ArrayList of VinciServiceInfo instances
        Throws:
        java.lang.Exception - - unable to get a list

      • getUnassignedServices

        public java.util.ArrayList getUnassignedServices​(java.lang.String aName,
                                                 java.util.ArrayList assignedServices)
                                          throws java.lang.Exception
        Returns a list of services that have not yet been assigned to any CPM proxy. It diffs the current list and a new list as returned from the VNS.
        Parameters:
        aName - - name of the service
        assignedServices - - a list of services currently in use
        Returns:
        - ArrayList of VinciServiceInfo instances
        Throws:
        java.lang.Exception - - unable to get a list

      • findUnassigned

        public static int findUnassigned​(java.util.ArrayList oldList,
                                 java.util.ArrayList newList)
        Diffs two lists of services and returns those that have not yet been assigned
        Parameters:
        oldList - - current (in-use) list of services
        newList - - new list of services
        Returns:
        - number of un-assigned services

      • main

        public static void main​(java.lang.String[] args)