// 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()); }