Recover file missing due to branch merging

library/android-mvc-controller/src/main/java/com/shipdream/lib/android/mvc/manager/BaseManagerImpl.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2016 Kejun Xia
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.shipdream.lib.android.mvc.manager;
+
+import com.shipdream.lib.android.mvc.MvcBean;
+import com.shipdream.lib.android.mvc.event.BaseEventC;
+import com.shipdream.lib.android.mvc.event.bus.EventBus;
+import com.shipdream.lib.android.mvc.event.bus.annotation.EventBusC;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.inject.Inject;
+
+/**
+ * Abstract manager with model that needs to be managed. A manager can be shared by multiple
+ * controllers. A LoginManager is an good example that manages the state of logged in user.
+ *
+ * <p>
+ * Managers should only be serving controllers and not visible to views. Managers can post events
+ * to controllers to notify the state change in the shared manager.
+ * </p>
+ */
+public abstract class BaseManagerImpl<MODEL> extends MvcBean<MODEL> {
+    protected Logger logger = LoggerFactory.getLogger(getClass());
+
+    @Inject
+    @EventBusC
+    private EventBus eventBus2C;
+
+    /**
+     * Post an event to other controllers. Event will be posted on the same thread as the caller.
+     *
+     * @param event event to controllers
+     */
+    protected void postControllerEvent(final BaseEventC event) {
+        if (eventBus2C != null) {
+            eventBus2C.post(event);
+        } else {
+            logger.warn("Trying to post event {} to EventBusC which is null", event.getClass().getName());
+        }
+    }
+}