public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
final boolean logDebug = LOG.isDebugEnabled();
long startTime = 0;
if (logDebug) {
startTime = System.currentTimeMillis();
}
ObjectWritable value = null;
try {
value =
(ObjectWritable)
client.call(
new Invocation(method, args), getAddress(), protocol, ticket, rpcTimeout);
} catch (RemoteException re) {
throw re;
} catch (ConnectException ce) {
needCheckDnsUpdate = true;
throw ce;
} catch (NoRouteToHostException nrhe) {
needCheckDnsUpdate = true;
throw nrhe;
} catch (PortUnreachableException pue) {
needCheckDnsUpdate = true;
throw pue;
} catch (UnknownHostException uhe) {
needCheckDnsUpdate = true;
throw uhe;
}
if (logDebug) {
long callTime = System.currentTimeMillis() - startTime;
LOG.debug("Call: " + method.getName() + " " + callTime);
}
return value.get();
}
/** Expert: Make multiple, parallel calls to a set of servers. */
public static Object[] call(
Method method,
Object[][] params,
InetSocketAddress[] addrs,
UserGroupInformation ticket,
Configuration conf)
throws IOException {
Invocation[] invocations = new Invocation[params.length];
for (int i = 0; i < params.length; i++) invocations[i] = new Invocation(method, params[i]);
Client client = CLIENTS.getClient(conf);
try {
Writable[] wrappedValues =
client.call(invocations, addrs, method.getDeclaringClass(), ticket);
if (method.getReturnType() == Void.TYPE) {
return null;
}
Object[] values = (Object[]) Array.newInstance(method.getReturnType(), wrappedValues.length);
for (int i = 0; i < values.length; i++)
if (wrappedValues[i] != null) values[i] = ((ObjectWritable) wrappedValues[i]).get();
return values;
} finally {
CLIENTS.stopClient(client);
}
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
long startTime = 0;
if (LOG.isDebugEnabled()) {
startTime = Time.now();
}
ObjectWritable value =
(ObjectWritable)
client.call(RPC.RpcKind.RPC_WRITABLE, new Invocation(method, args), remoteId);
if (LOG.isDebugEnabled()) {
long callTime = Time.now() - startTime;
LOG.debug("Call: " + method.getName() + " " + callTime);
}
return value.get();
}