Added new Async Publication modes

src/dorkbox/messageBus/AsyncPublicationMode.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2019 dorkbox, llc
+ *
+ * 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 dorkbox.messageBus;
+
+public
+enum AsyncPublicationMode {
+
+    /**
+     * This is the default.
+     * </p>
+     * This uses the LMAX disruptor for managing the ASYNC publication of messages.
+     * </p>
+     * The Conversant Disruptor is shown to be faster, however the LMAX Disruptor DOES NOT generate any garbage when
+     * running, while the Conversant Disruptor creates new `Runnable` for every invocation.
+     */
+    LmaxDisruptor,
+
+    /**
+     * This uses the Conversant disruptor + (many) runnable for managing the ASYNC publication of messages.
+     * <p>
+     * The Conversant Disruptor is shown to be faster than the LMAX disruptor, however the Conversant disruptor
+     * relies on creating a `new Runnable()` for execution, where the LMAX Disruptor DOES NOT.
+     */
+    ConversantDisruptor,
+}