/**
* Constructs a new message that requires multiple channels to have read it.
*
* @param requiredRead The channels that need to have read the message
*/
public ChannelMessage(Channel... requiredRead) {
short required = 0;
for (Channel channel : requiredRead) {
required |= channel.getMask();
}
requiredMask = required;
}
/**
* Marks a channel as having read the message.
*
* @param channel The channel that has read the message
*/
public void markChannelRead(Channel channel) {
boolean done = false;
while (!done) {
int readOld = read.get();
int readNew = readOld | channel.getMask();
done = read.compareAndSet(readOld, readNew);
}
}
/**
* Returns true if the channel has read the message, false if otherwise.
*
* @param channel The channel to check
* @return Whether or not the channel has read the message
*/
public boolean isChannelRead(Channel channel) {
return (read.get() & channel.getMask()) == channel.getMask();
}
/**
* Constructs a new message that requires a single channel to have read it.
*
* @param requiredRead The channel that needs to read the message
*/
public ChannelMessage(Channel requiredRead) {
requiredMask = requiredRead.getMask();
}