public DefaultChannelPipeline(Channel channel) {
if (channel == null) {
throw new NullPointerException("channel");
}
this.channel = channel;
tail = new DefaultChannelHandlerContext(this, null, generateName(TAIL_HANDLER), TAIL_HANDLER);
HeadHandler headHandler;
switch (channel.metadata().bufferType()) {
case BYTE:
headHandler = new ByteHeadHandler();
break;
case MESSAGE:
headHandler = new MessageHeadHandler();
break;
default:
throw new Error("unknown buffer type: " + channel.metadata().bufferType());
}
head =
new DefaultChannelHandlerContext(this, null, generateName(headHandler), headHandler, true);
head.next = tail;
tail.prev = head;
unsafe = channel.unsafe();
}
