Examples with MethodDescriptor org.apache.dubbo.rpc.model.MethodDescriptor used on opensource projects

Example 1 with MethodDescriptor

use of org.apache.dubbo.rpc.model.MethodDescriptor in project dubbo by alibaba.

the class RpcInvocation method initParameterDesc.

private void initParameterDesc() {
    ServiceRepository repository = ApplicationModel.getServiceRepository();
    if (StringUtils.isNotEmpty(serviceName)) {
        ServiceDescriptor serviceDescriptor = repository.lookupService(serviceName);
        if (serviceDescriptor != null) {
            MethodDescriptor methodDescriptor = serviceDescriptor.getMethod(methodName, parameterTypes);
            if (methodDescriptor != null) {
                this.parameterTypesDesc = methodDescriptor.getParamDesc();
                this.compatibleParamSignatures = methodDescriptor.getCompatibleParamSignatures();
                this.returnTypes = methodDescriptor.getReturnTypes();
                this.returnType = methodDescriptor.getReturnClass();
            }
        }
    }
    if (parameterTypesDesc == null) {
        this.parameterTypesDesc = ReflectUtils.getDesc(this.getParameterTypes());
        this.compatibleParamSignatures = Stream.of(this.parameterTypes).map(Class::getName).toArray(String[]::new);
        this.returnTypes = RpcUtils.getReturnTypes(this);
        this.returnType = RpcUtils.getReturnType(this);
    }
}

Example 2 with MethodDescriptor

use of org.apache.dubbo.rpc.model.MethodDescriptor in project dubbo by alibaba.

the class DecodeableRpcInvocation method decode.

@Override
public Object decode(Channel channel, InputStream input) throws IOException {
    ObjectInput in = CodecSupport.getSerialization(channel.getUrl(), serializationType).deserialize(channel.getUrl(), input);
    this.put(SERIALIZATION_ID_KEY, serializationType);
    String dubboVersion = in.readUTF();
    request.setVersion(dubboVersion);
    setAttachment(DUBBO_VERSION_KEY, dubboVersion);
    String path = in.readUTF();
    setAttachment(PATH_KEY, path);
    String version = in.readUTF();
    setAttachment(VERSION_KEY, version);
    setMethodName(in.readUTF());
    String desc = in.readUTF();
    setParameterTypesDesc(desc);
    try {
        if (ConfigurationUtils.getSystemConfiguration().getBoolean(SERIALIZATION_SECURITY_CHECK_KEY, false)) {
            CodecSupport.checkSerialization(path, version, serializationType);
        }
        Object[] args = DubboCodec.EMPTY_OBJECT_ARRAY;
        Class<?>[] pts = DubboCodec.EMPTY_CLASS_ARRAY;
        if (desc.length() > 0) {
            // if (RpcUtils.isGenericCall(path, getMethodName()) || RpcUtils.isEcho(path, getMethodName())) {
            // pts = ReflectUtils.desc2classArray(desc);
            // } else {
            ServiceRepository repository = ApplicationModel.getServiceRepository();
            ServiceDescriptor serviceDescriptor = repository.lookupService(path);
            if (serviceDescriptor != null) {
                MethodDescriptor methodDescriptor = serviceDescriptor.getMethod(getMethodName(), desc);
                if (methodDescriptor != null) {
                    pts = methodDescriptor.getParameterClasses();
                    this.setReturnTypes(methodDescriptor.getReturnTypes());
                }
            }
            if (pts == DubboCodec.EMPTY_CLASS_ARRAY) {
                if (!RpcUtils.isGenericCall(desc, getMethodName()) && !RpcUtils.isEcho(desc, getMethodName())) {
                    throw new IllegalArgumentException("Service not found:" + path + ", " + getMethodName());
                }
                pts = ReflectUtils.desc2classArray(desc);
            }
            // }
            args = new Object[pts.length];
            for (int i = 0; i < args.length; i++) {
                try {
                    args[i] = in.readObject(pts[i]);
                } catch (Exception e) {
                    if (log.isWarnEnabled()) {
                        log.warn("Decode argument failed: " + e.getMessage(), e);
                    }
                }
            }
        }
        setParameterTypes(pts);
        Map<String, Object> map = in.readAttachments();
        if (map != null && map.size() > 0) {
            Map<String, Object> attachment = getObjectAttachments();
            if (attachment == null) {
                attachment = new HashMap<>();
            }
            attachment.putAll(map);
            setObjectAttachments(attachment);
        }
        // decode argument ,may be callback
        for (int i = 0; i < args.length; i++) {
            args[i] = decodeInvocationArgument(channel, this, pts, i, args[i]);
        }
        setArguments(args);
        String targetServiceName = buildKey(getAttachment(PATH_KEY), getAttachment(GROUP_KEY), getAttachment(VERSION_KEY));
        setTargetServiceUniqueName(targetServiceName);
    } catch (ClassNotFoundException e) {
        throw new IOException(StringUtils.toString("Read invocation data failed.", e));
    } finally {
        if (in instanceof Cleanable) {
            ((Cleanable) in).cleanup();
        }
    }
    return this;
}

Example 3 with MethodDescriptor

use of org.apache.dubbo.rpc.model.MethodDescriptor in project dubbo by alibaba.

the class MethodDescritorTest method testMethodWithNoParameters.

@Test
public void testMethodWithNoParameters() throws Exception {
    Method method = DescriptorService.class.getMethod("noParameterMethod");
    MethodDescriptor descriptor = new MethodDescriptor(method);
    assertEquals("", descriptor.getParamDesc());
    Assertions.assertEquals(0, descriptor.getParameterClasses().length);
}