public Result invoke()

in src/main/java/com/alibaba/csp/sentinel/adapter/dubbo/SentinelDubboProviderFilter.java [54:92]
33 lines of code
6 McCabe index (conditional complexity)

    public Result invoke(Invoker<?> invoker, Invocation invocation) throws RpcException {
        // Get origin caller.
        String application = DubboUtils.getApplication(invocation, "");

        Entry interfaceEntry = null;
        Entry methodEntry = null;
        try {
            String resourceName = DubboUtils.getResourceName(invoker, invocation);
            String interfaceName = invoker.getInterface().getName();
            // Only need to create entrance context at provider side, as context will take effect
            // at entrance of invocation chain only (for inbound traffic).
            ContextUtil.enter(resourceName, application);
            interfaceEntry = SphU.entry(interfaceName, EntryType.IN);
            methodEntry = SphU.entry(resourceName, EntryType.IN, 1, invocation.getArguments());

            Result result = invoker.invoke(invocation);
            if (result.hasException()) {
                Throwable e = result.getException();
                // Record common exception.
                Tracer.traceEntry(e, interfaceEntry);
                Tracer.traceEntry(e, methodEntry);
            }
            return result;
        } catch (BlockException e) {
            return DubboFallbackRegistry.getProviderFallback().handle(invoker, invocation, e);
        } catch (RpcException e) {
            Tracer.traceEntry(e, interfaceEntry);
            Tracer.traceEntry(e, methodEntry);
            throw e;
        } finally {
            if (methodEntry != null) {
                methodEntry.exit(1, invocation.getArguments());
            }
            if (interfaceEntry != null) {
                interfaceEntry.exit();
            }
            ContextUtil.exit();
        }
    }