Splitting AdvancedEventLoop and AsyncEventLoop for the sake of comparision
This commit is contained in:
Daniil
@@ -0,0 +1,145 @@
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package mc.core.events.async;
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import lombok.Getter;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import mc.core.events.BaseEventLoop;
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import mc.core.events.Event;
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import mc.core.events.EventHandler;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.*;
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@SuppressWarnings("Duplicates")
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@Slf4j
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public class AdvancedEventLoop extends BaseEventLoop {
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Map<Class<? extends Event>, List<ExecutorLink>> handlers = new HashMap<>();
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@Override
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public void callEvent(Event event) {
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Class<? extends Event> eventType = event.getClass();
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if (handlers.containsKey(eventType)) {
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for (ExecutorLink link : handlers.get(eventType)) {
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if (link.isIgnoreCancelled() && event.isCanceled())
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continue;
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Object preprocessResult = null;
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if (link.getPreprocessMethod() != null) {
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try {
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preprocessResult = link.getPreprocessMethod().invoke(link.object, event);
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} catch (IllegalAccessException | InvocationTargetException e) {
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log.error("Exception caught while attempting to run event preprocessing for {}.", eventType.getSimpleName(), e);
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}
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}
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try {
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if (link.getResultInjection() != null)
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link.getMethod().invoke(link.object, event, preprocessResult);
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else
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link.getMethod().invoke(link.object, event);
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} catch (IllegalAccessException | InvocationTargetException e) {
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log.error("Exception caught while attempting to dispatch {}.", eventType.getSimpleName(), e);
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}
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}
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}
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}
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@Override
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public void addEventHandler(Object object) {
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Map<String, Method> preprocessors = new HashMap<>();
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for (Method method : object.getClass().getDeclaredMethods()) {
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EventPreprocessor annotation = method.getAnnotation(EventPreprocessor.class);
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if (annotation == null)
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continue;
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if (!Modifier.isPublic(method.getModifiers())) {
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log.error("Unable to register {} as an EventPreprocessor. Method must have a 'private' access modifier.", method.toString());
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continue;
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}
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if (method.getParameterCount() != 1) {
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log.error("Unable to register {} as an EventPreprocessor. Method must have exactly one argument.", method.toString());
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continue;
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}
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Class<?> firstParamType = method.getParameterTypes()[0];
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if (!Event.class.isAssignableFrom(firstParamType)) {
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log.error("Unable to register {} as an EventPreprocessor. First parameter type must implement 'Event' interface.", method.toString());
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continue;
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}
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if (preprocessors.containsKey(annotation.methodName()))
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log.warn("Attempted to register multiple EventPreprocessors for the event {}. Please note, that only the last one will be registered.", annotation.methodName());
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preprocessors.put(annotation.methodName() + ":" + firstParamType.getSimpleName(), method);
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}
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for (Method method : object.getClass().getDeclaredMethods()) {
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EventHandler annotation = method.getAnnotation(EventHandler.class);
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if (annotation == null)
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continue;
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if (!Modifier.isPublic(method.getModifiers())) {
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log.error("Unable to register {} as an EventHandler. Method must have a 'private' access modifier.", method.toString());
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continue;
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}
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if (method.getParameterCount() == 0) {
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log.error("Unable to register {} as an EventHandler. Method must at least one argument.", method.toString());
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continue;
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}
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Class<?> firstParamType = method.getParameterTypes()[0];
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if (!Event.class.isAssignableFrom(firstParamType)) {
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log.error("Unable to register {} as an EventHandler. First parameter type must implement 'Event' interface.", method.toString());
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continue;
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}
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@SuppressWarnings("unchecked") Class<? extends Event> eventType = (Class<? extends Event>) method.getParameterTypes()[0];
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Method preprocessMethod = preprocessors.get(method.getName() + ":" + eventType.getSimpleName());
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Class resultInjection = null;
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if (preprocessMethod.getReturnType() != void.class && method.getParameterCount() == 2 && preprocessMethod.getReturnType().equals(method.getParameterTypes()[1]))
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resultInjection = preprocessMethod.getReturnType();
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if (resultInjection == null && method.getParameterCount() > 1) {
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log.error("Unable to register {} as an EventHandler. Method has {} arguments, but no EventPreprocessors found to provide DI for type {}", method.toString(), method.getParameterCount(), method.getParameterTypes()[1].toString());
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continue;
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}
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if (resultInjection == null && preprocessMethod.getReturnType() != void.class) {
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log.warn("DI registration for EventHandler {} failed. Injection target not found", method.toString());
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}
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List<ExecutorLink> eventHandlers = handlers.computeIfAbsent(eventType, s -> new ArrayList<>());
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eventHandlers.add(new ExecutorLink(annotation.priority().getValue(), annotation.ignoreCancelled(), method, object, preprocessMethod, resultInjection));
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eventHandlers.sort(Comparator.comparingInt(o -> o.priority));
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preprocessors.remove(method.getName() + ":" + eventType.getSimpleName());
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}
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for (Map.Entry<String, Method> preprocessor : preprocessors.entrySet())
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log.error("EventPreprocessor ({}) missing target: unable to find target method ({})", preprocessor.getValue(), preprocessor.getKey());
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}
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/**
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* This class describes
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*/
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@RequiredArgsConstructor
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@Getter
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static class ExecutorLink {
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private final int priority;
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private final boolean ignoreCancelled;
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private final Method method;
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private final Object object;
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private final Method preprocessMethod;
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private final Class resultInjection;
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}
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}
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@@ -1,24 +1,17 @@
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package mc.core.events.async;
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import lombok.Getter;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import mc.core.events.BaseEventLoop;
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import mc.core.events.Event;
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import mc.core.events.EventHandler;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Modifier;
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import java.util.*;
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import java.util.List;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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@SuppressWarnings("Duplicates")
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@Slf4j
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public class AsyncEventLoop extends BaseEventLoop {
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private Map<Class<? extends Event>, List<ExecutorLink>> handlers = new HashMap<>();
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public class AsyncEventLoop extends AdvancedEventLoop {
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private ExecutorService preEventExecutor = Executors.newSingleThreadExecutor();
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@Override
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@@ -51,110 +44,14 @@ public class AsyncEventLoop extends BaseEventLoop {
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try {
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if (link.getResultInjection() != null)
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link.getMethod().invoke(link.object, event, eventBatch.getInjectionObject(i));
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link.getMethod().invoke(link.getObject(), event, eventBatch.getInjectionObject(i));
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else
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link.getMethod().invoke(link.object, event);
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link.getMethod().invoke(link.getObject(), event);
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} catch (IllegalAccessException | InvocationTargetException e) {
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log.error("Exception caught while attempting to dispatch {}.", eventType.getSimpleName(), e);
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}
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}
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}
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}
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@Override
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public void addEventHandler(Object object) {
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Map<String, Method> preprocessors = new HashMap<>();
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for (Method method : object.getClass().getDeclaredMethods()) {
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EventPreprocessor annotation = method.getAnnotation(EventPreprocessor.class);
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if (annotation == null)
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continue;
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if (!Modifier.isPublic(method.getModifiers())) {
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log.error("Unable to register {} as an EventPreprocessor. Method must have a 'private' access modifier.", method.toString());
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continue;
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}
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if (method.getParameterCount() != 1) {
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log.error("Unable to register {} as an EventPreprocessor. Method must have exactly one argument.", method.toString());
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continue;
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}
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Class<?> firstParamType = method.getParameterTypes()[0];
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if (!Event.class.isAssignableFrom(firstParamType)) {
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log.error("Unable to register {} as an EventPreprocessor. First parameter type must implement 'Event' interface.", method.toString());
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continue;
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}
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if (preprocessors.containsKey(annotation.methodName()))
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log.warn("Attempted to register multiple EventPreprocessors for the event {}. Please note, that only the last one will be registered.", annotation.methodName());
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preprocessors.put(annotation.methodName() + ":" + firstParamType.getSimpleName(), method);
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}
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for (Method method : object.getClass().getDeclaredMethods()) {
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EventHandler annotation = method.getAnnotation(EventHandler.class);
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if (annotation == null)
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continue;
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if (!Modifier.isPublic(method.getModifiers())) {
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log.error("Unable to register {} as an EventHandler. Method must have a 'private' access modifier.", method.toString());
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continue;
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}
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if (method.getParameterCount() == 0) {
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log.error("Unable to register {} as an EventHandler. Method must at least one argument.", method.toString());
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continue;
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}
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Class<?> firstParamType = method.getParameterTypes()[0];
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if (!Event.class.isAssignableFrom(firstParamType)) {
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log.error("Unable to register {} as an EventHandler. First parameter type must implement 'Event' interface.", method.toString());
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continue;
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}
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@SuppressWarnings("unchecked") Class<? extends Event> eventType = (Class<? extends Event>) method.getParameterTypes()[0];
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Method preprocessMethod = preprocessors.get(method.getName() + ":" + eventType.getSimpleName());
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Class resultInjection = null;
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if (preprocessMethod.getReturnType() != void.class && method.getParameterCount() == 2 && preprocessMethod.getReturnType().equals(method.getParameterTypes()[1]))
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resultInjection = preprocessMethod.getReturnType();
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if (resultInjection == null && method.getParameterCount() > 1) {
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log.error("Unable to register {} as an EventHandler. Method has {} arguments, but no EventPreprocessors found to provide DI for type {}", method.toString(), method.getParameterCount(), method.getParameterTypes()[1].toString());
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continue;
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}
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if (resultInjection == null && preprocessMethod.getReturnType() != void.class) {
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log.warn("DI registration for EventHandler {} failed. Injection target not found", method.toString());
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}
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List<ExecutorLink> eventHandlers = handlers.computeIfAbsent(eventType, s -> new ArrayList<>());
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eventHandlers.add(new ExecutorLink(annotation.priority().getValue(), annotation.ignoreCancelled(), method, object, preprocessMethod, resultInjection));
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eventHandlers.sort(Comparator.comparingInt(o -> o.priority));
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preprocessors.remove(method.getName() + ":" + eventType.getSimpleName());
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}
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for (Map.Entry<String, Method> preprocessor : preprocessors.entrySet())
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log.error("EventPreprocessor ({}) missing target: unable to find target method ({})", preprocessor.getValue(), preprocessor.getKey());
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}
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/**
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* This class describes
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*/
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@RequiredArgsConstructor
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@Getter
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static class ExecutorLink {
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private final int priority;
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private final boolean ignoreCancelled;
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private final Method method;
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private final Object object;
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private final Method preprocessMethod;
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private final Class resultInjection;
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}
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}
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