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## org.openorb.net
Interface Channel

All Known Subinterfaces:
  ClientChannel, ServerChannel

public interface Channel

General interface for a communications channel. A communications channel can either send or recieve requests and typicaly has two associated worker threads, one for reading messages and one for writing messages.

Version:
  $Revision: 1.5 $ $Date: 2002/06/28 08:59:05 $
Author:
  Chris Wood

Method Summary
`int` | `active_requests()` Active request count.
`int` | `channel_age()` Indication of channel age.
`boolean` | `recv(int timeout)` Wait the specified amount of time for an incoming message.
`void` | `run_recv()` Donate a thread for recieving messages.

Method Detail

### active_requests

    public int active_requests()

  Active request count. This is the number of requests which have not yet been sent or are still expecting a reply. This will return -1 if the channel has been perminently closed.

### channel_age

    public int channel_age()

  Indication of channel age. This will result in a call to peek_request_id if active_requests would be non-zero, otherwise it returns whatever peek_request_id returned the last time active_requests dropped to zero.

### run_recv

    public void run_recv()

  Donate a thread for recieving messages. This function returns when interrupt is called on the thread or the channel is closed.

### recv

    public boolean recv(int timeout)

  Wait the specified amount of time for an incoming message.
  Returns:
    false if the channel is closed.

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