<xs:element name="isUserActive" type="xs:boolean" />

@WebMethod(action = "isUserActive")
@WebResult(name = "isUserActiveResponse", targetNamespace = "http://company.com/1.0", partName = "parameters")
public boolean isUserActive(
    @WebParam(partName = "parameters", name = "isUserActiveRequest", targetNamespace = "http://company.com/1.0") com.company.IsUserActiveRequest parameters
) throws Exception;

@XmlElementDecl(namespace = "http://company.com/1.0", name = "isUserActiveResponse")
public JAXBElement<Boolean> createIsUserActiveResponse(Boolean value) {
    return new JAXBElement<Boolean>(_IsUserActiveResponse_QNAME, Boolean.class, null, value);
}

@PayloadRoot(namespace = TARGET_NAMESPACE, localPart = "isUserActiveRequest")
@ResponsePayload()
public JAXBElement<Boolean> isUserActive(@RequestPayload IsUserActiveRequest request) {
    ObjectFactory factory = new ObjectFactory();
    boolean result = doSomething();
    return factory.createIsActiveResponse(result);
}