Package com.yahoo.messagebus.network.rpc

Class RPCServicePool

  • public class RPCServicePool
extends java.lang.Object
    Class used to reuse services for the same address when sending messages over the rpc network.
    Author:
    Simon Thoresen Hult

    • Constructor Summary

      Constructors 
      Constructor Description
      RPCServicePool​(RPCNetwork net, int maxSize)
      Create a new service pool for the given network.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getSize()
      Returns the number of services available in the pool.
      boolean hasService​(java.lang.String pattern)
      Returns whether or not there is a service available in the pool the corresponds to the given pattern.
      RPCServiceAddress resolve​(java.lang.String pattern)
      Returns the RPCServiceAddress that corresponds to a given pattern.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • RPCServicePool

        public RPCServicePool​(RPCNetwork net,
                      int maxSize)
        Create a new service pool for the given network.
        Parameters:
        net - The underlying RPC network.
        maxSize - The max number of services to cache.

    • Method Detail

      • resolve

        public RPCServiceAddress resolve​(java.lang.String pattern)
        Returns the RPCServiceAddress that corresponds to a given pattern. This reuses the RPCService object for matching pattern so that load balancing is possible on the network level.
        Parameters:
        pattern - The pattern for the service we require.
        Returns:
        A service address for the given pattern.

      • getSize

        public int getSize()
        Returns the number of services available in the pool. This number will never exceed the limit given at construction time.
        Returns:
        The current size of this pool.

      • hasService

        public boolean hasService​(java.lang.String pattern)
        Returns whether or not there is a service available in the pool the corresponds to the given pattern.
        Parameters:
        pattern - The pattern to check for.
        Returns:
        True if a corresponding service is in the pool.