otppeer.java

来自「OTP是开放电信平台的简称」· Java 代码 · 共 84 行

/* ``The contents of this file are subject to the Erlang Public License,
 * Version 1.1, (the "License"); you may not use this file except in
 * compliance with the License. You should have received a copy of the
 * Erlang Public License along with this software. If not, it can be
 * retrieved via the world wide web at http://www.erlang.org/.
 * 
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Initial Developer of the Original Code is Ericsson Utvecklings AB.
 * Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
 * AB. All Rights Reserved.''
 * 
 *     $Id$
 */
package com.ericsson.otp.erlang;

import java.io.IOException;
import java.net.UnknownHostException;

/**
 * Represents a remote OTP node. It acts only as a container for the
 * nodename and other node-specific information that is needed by the
 * {@link OtpConnection} class.
 **/
public class OtpPeer extends AbstractNode {
  int distChoose = 0; /* this is set by OtpConnection
		       * and is the highest common
		       * protocol version we both support
		       */
  
  OtpPeer() {
    super();
  }

  /**
   * Create a peer node.
   *
   * @param node the name of the node.
   **/
  public OtpPeer(String node) {
    super(node);
  }

  /**
   * Create a connection to a remote node.
   *
   * @param self the local node from which you wish to connect.
   *
   * @return a connection to the remote node.
   *
   * @exception java.net.UnknownHostException if the remote host could
   * not be found.
   
   * @exception java.io.IOException if it was not possible to connect
   * to the remote node.
   
   * @exception OtpAuthException if the connection was refused by the
   * remote node.
   *
   @deprecated Use the corresponding method in {@link OtpSelf} instead.
  **/
  public OtpConnection connect(OtpSelf self) 
    throws IOException, UnknownHostException, OtpAuthException  {
    return new OtpConnection(self,this);
  }

  // package 
  /*
   * Get the port number used by the remote node.
   *
   * @return the port number used by the remote node, or 0 if the node
   * was not registered with the port mapper.
   *
   * @exception java.io.IOException if the port mapper could not be contacted.
   **/
  int port()
    throws IOException {
    return OtpEpmd.lookupPort(this);
  }
}