String backup = url.getParameter(Constants.BACKUP_KEY);
if (backup != null && backup.length() > 0) {
address += "," + backup;
}
MemcachedClientBuilder builder = new XMemcachedClientBuilder(AddrUtil.getAddresses(address));
final MemcachedClient memcachedClient = builder.build();
final int expiry = url.getParameter("expiry", 0);
final String get = url.getParameter("get", "get");
final String set = url.getParameter("set", Map.class.equals(type) ? "put" : "set");
final String delete = url.getParameter("delete", Map.class.equals(type) ? "remove" : "delete");
return new AbstractInvoker<T>(type, url) {
protected Result doInvoke(Invocation invocation) throws Throwable {
try {
if (get.equals(invocation.getMethodName())) {
if (invocation.getArguments().length != 1) {
throw new IllegalArgumentException("The memcached get method arguments mismatch, must only one arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
}
return new RpcResult(memcachedClient.get(String.valueOf(invocation.getArguments()[0])));
} else if (set.equals(invocation.getMethodName())) {
if (invocation.getArguments().length != 2) {
throw new IllegalArgumentException("The memcached set method arguments mismatch, must be two arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
}
memcachedClient.set(String.valueOf(invocation.getArguments()[0]), expiry, invocation.getArguments()[1]);
return new RpcResult();
} else if (delete.equals(invocation.getMethodName())) {
if (invocation.getArguments().length != 1) {
throw new IllegalArgumentException("The memcached delete method arguments mismatch, must only one arguments. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url);
}
memcachedClient.delete(String.valueOf(invocation.getArguments()[0]));
return new RpcResult();
} else {
throw new UnsupportedOperationException("Unsupported method " + invocation.getMethodName() + " in memcached service.");
}
} catch (Throwable t) {
RpcException re = new RpcException("Failed to invoke memecached service method. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url + ", cause: " + t.getMessage(), t);
if (t instanceof TimeoutException || t instanceof SocketTimeoutException) {
re.setCode(RpcException.TIMEOUT_EXCEPTION);
} else if (t instanceof MemcachedException || t instanceof IOException) {
re.setCode(RpcException.NETWORK_EXCEPTION);
}
throw re;
}
}
public void destroy() {
super.destroy();
try {
memcachedClient.shutdown();
} catch (Throwable e) {
logger.warn(e.getMessage(), e);
}
}
};