org.lsst.ccs.subsystem.shutter.statemachine

Interface Channel<T>

All Known Implementing Classes:

BlackHoleChannel, SynchronousChannel

public interface Channel<T>

A message-sending interface between two tasks.

Author:

tether

Method Summary

Modifier and Type	Method and Description
T	read() Read a message from a channel, waiting indefinitely for a message to become available.
void	write(T msg) Write a message to the channel, waiting indefinitely for the message to be stored or read.

Method Detail

write

void write(T msg)
    throws InterruptedException

Write a message to the channel, waiting indefinitely for the message to be stored or read.

Parameters:

msg - The message.

Throws:

InterruptedException

read

T read()
throws InterruptedException

Read a message from a channel, waiting indefinitely for a message to become available.

Returns:

The message.

Throws:

InterruptedException