wujimin commented on a change in pull request #570: SCB-360 write simpler
eventBus to optimize performance
@@ -0,0 +1,84 @@
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+// EventBus has performance problem, we create a new simpler eventBus
+// extend from EventBus is not necessary
+// but EventManager has a public EventBus field, we need to make compatible
+// different between this class and EventBus:
+// 1. not support cycle trigger:
+// subscribe a, when handle a, trigger event b
+// subscribe b, when handle b, trigger event a
changed to javadoc in SimpleEventBus
but not in EventManager
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