ing

src/main/java/com/loafle/overflow/core/interfaces/Service.java

@@ -1,5 +1,10 @@
 package com.loafle.overflow.core.interfaces;
 
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
 /**
  * Service
  */
@@ -12,11 +17,54 @@ public interface Service {
 
 	void destroyService();
 
+	public static void execServices(Map<Class<?>, Object> services, ServiceMethodType methodType, Class<?>[] orderedTypes,
+			boolean reverse) throws Exception {
+		if (null == services || 0 == services.size()) {
+			return;
+		}
+		if (null == orderedTypes || 0 == orderedTypes.length) {
+			return;
+		}
+
+		List<Object> orderedServices = new ArrayList<>(orderedTypes.length);
+		if (reverse) {
+			for (int i = orderedTypes.length - 1; i >= 0; i--) {
+				Class<?> clazz = orderedTypes[i];
+				Object service = services.get(clazz);
+				if (null == service) {
+					continue;
+				}
+				orderedServices.add(service);
+			}
+		} else {
+			for (int i = 0; i < orderedTypes.length; i++) {
+				Class<?> clazz = orderedTypes[i];
+				Object service = services.get(clazz);
+				if (null == service) {
+					continue;
+				}
+				orderedServices.add(service);
+			}
+		}
+
+		if (0 == orderedServices.size()) {
+			return;
+		}
+
+		Class<?>[] parameterTypes = new Class<?>[] {};
+		for (int i = 0; i < orderedServices.size(); i++) {
+			Object service = orderedServices.get(i);
+			Class<?> clazz = service.getClass();
+			Method method = clazz.getMethod(methodType.toString(), parameterTypes);
+			if (null == method) {
+				continue;
+			}
+			method.invoke(service);
+		}
+	}
+
 	public static enum ServiceMethodType {
-		INIT("initService"),
-		START("startService"),
-		STOP("stopService"),
-		DESTROY("destroyService");
+		INIT("initService"), START("startService"), STOP("stopService"), DESTROY("destroyService");
 
 		private String stringValue;