// Register protocol and its impl for rpc calls
void registerProtocolAndImpl(RpcKind rpcKind, Class<?> protocolClass, Object protocolImpl) {
String protocolName = RPC.getProtocolName(protocolClass);
long version;
try {
version = RPC.getProtocolVersion(protocolClass);
} catch (Exception ex) {
LOG.warn("Protocol " + protocolClass + " NOT registered as cannot get protocol version ");
return;
}
getProtocolImplMap(rpcKind)
.put(
new ProtoNameVer(protocolName, version),
new ProtoClassProtoImpl(protocolClass, protocolImpl));
LOG.debug(
"RpcKind = "
+ rpcKind
+ " Protocol Name = "
+ protocolName
+ " version="
+ version
+ " ProtocolImpl="
+ protocolImpl.getClass().getName()
+ " protocolClass="
+ protocolClass.getName());
}
public Invocation(Method method, Object[] parameters) {
this.methodName = method.getName();
this.parameterClasses = method.getParameterTypes();
this.parameters = parameters;
rpcVersion = writableRpcVersion;
if (method.getDeclaringClass().equals(VersionedProtocol.class)) {
// VersionedProtocol is exempted from version check.
clientVersion = 0;
clientMethodsHash = 0;
} else {
this.clientVersion = RPC.getProtocolVersion(method.getDeclaringClass());
this.clientMethodsHash =
ProtocolSignature.getFingerprint(method.getDeclaringClass().getMethods());
}
this.declaringClassProtocolName = RPC.getProtocolName(method.getDeclaringClass());
}