public static FilterExecutor resolve(final FilterChainContext context) {
switch (context.getOperation()) {
case READ:
return READ_EXECUTOR;
case WRITE:
return WRITE_EXECUTOR;
case ACCEPT:
return ACCEPT_EXECUTOR;
case CLOSE:
return CLOSE_EXECUTOR;
case CONNECT:
return CONNECT_EXECUTOR;
case EVENT:
return (context.getFilterIdx() == FilterChainContext.NO_FILTER_INDEX
|| context.getStartIdx() <= context.getEndIdx())
? EVENT_UPSTREAM_EXECUTOR
: EVENT_DOWNSTREAM_EXECUTOR;
default:
return null;
}
}
