Initial implementation of EventuallyConsistentMap.
The map uses the gossip schemes to replicate data between instances. It seems
to work for basic add and remove use cases right now, no anti-entropy yet.
ONOS-844.
Change-Id: I7d05a7b532e40c95ab14e2c8911f18514bd0a8ca
diff --git a/core/store/dist/src/main/java/org/onosproject/store/impl/ClockService.java b/core/store/dist/src/main/java/org/onosproject/store/impl/ClockService.java
new file mode 100644
index 0000000..4fbfc22
--- /dev/null
+++ b/core/store/dist/src/main/java/org/onosproject/store/impl/ClockService.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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 org.onosproject.store.impl;
+
+import org.onosproject.store.Timestamp;
+
+/**
+ * Clock service that can generate timestamps per object.
+ */
+public interface ClockService<T> {
+
+ /**
+ * Gets a new timestamp for the given object.
+ *
+ * @param object Object to get a timestamp for
+ * @return the new timestamp
+ */
+ public Timestamp getTimestamp(T object);
+}