public void process(Event event) {
String serviceId = event.getServiceRequest().getServiceId();
Service service = null;
ServiceProviderInterface serviceProvider = null;
for (ServiceProviderInterface provider : providers) {
service = provider.getService(serviceId);
if (service != null) {
serviceProvider = provider;
break;
}
}
if (service != null) {
serviceProvider.execute(service, event.getServiceRequest().getContext());
// 回写Context,event返回时
ServiceRegistryItem item = serviceProvider.getServiceRegistryItem(service);
Context oldC = event.getServiceRequest().getContext();
Context c = ContextFactory.getContext();
for (Parameter p : item.getResults()) {
if (("void").equals(p.getTitle()) || ("").equals(p.getTitle()) || p.getType() == null) {
} else {
String name = p.getName();
c.put(name, oldC.get(name));
}
}
event.getServiceRequest().setContext(c);
} else {
logger.logMessage(LogLevel.ERROR, "未找到合适的Service[id:{0}]", serviceId);
}
}
public static Context getContext(Event event, ServiceInfo info, ClassLoader loder) {
Context c = new ContextImpl();
Context oldContext = event.getServiceRequest().getContext();
if (info.getParameters() == null) {
return c;
}
for (Parameter p : info.getParameters()) {
Object value = Context2ObjectUtil.getObject(p, oldContext, loder);
if (value != null && !(value instanceof java.io.Serializable)) {
throw new ParamNotSerializableException(
event.getServiceRequest().getServiceId(), p.getName());
}
c.put(p.getName(), value);
}
return c;
}
public void execute(Context context) {
context.put(resultKey, a + b);
}