Migrating to latest Atomix

Change-Id: Ie636d1b2623b7f83572dca0d70bd56734379e61a
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingCopycatClient.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingCopycatClient.java
new file mode 100644
index 0000000..8955a6d
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingCopycatClient.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2016-present 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.primitives.impl;
+
+import io.atomix.catalyst.concurrent.Listener;
+import io.atomix.catalyst.concurrent.ThreadContext;
+import io.atomix.catalyst.serializer.Serializer;
+import io.atomix.catalyst.transport.Address;
+import io.atomix.catalyst.transport.Transport;
+import io.atomix.copycat.Command;
+import io.atomix.copycat.Query;
+import io.atomix.copycat.client.CopycatClient;
+import io.atomix.copycat.session.Session;
+
+import java.util.Collection;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
+
+/**
+ * {@code CopycatClient} that merely delegates control to
+ * another CopycatClient.
+ */
+public class DelegatingCopycatClient implements CopycatClient {
+
+    protected final CopycatClient client;
+
+    DelegatingCopycatClient(CopycatClient client) {
+        this.client = client;
+    }
+
+    @Override
+    public State state() {
+        return client.state();
+    }
+
+    @Override
+    public Listener<State> onStateChange(Consumer<State> callback) {
+        return client.onStateChange(callback);
+    }
+
+    @Override
+    public ThreadContext context() {
+        return client.context();
+    }
+
+    @Override
+    public Transport transport() {
+        return client.transport();
+    }
+
+    @Override
+    public Serializer serializer() {
+        return client.serializer();
+    }
+
+    @Override
+    public Session session() {
+        return client.session();
+    }
+
+    @Override
+    public <T> CompletableFuture<T> submit(Command<T> command) {
+        return client.submit(command);
+    }
+
+    @Override
+    public <T> CompletableFuture<T> submit(Query<T> query) {
+        return client.submit(query);
+    }
+
+    @Override
+    public Listener<Void> onEvent(String event, Runnable callback) {
+        return client.onEvent(event, callback);
+    }
+
+    @Override
+    public <T> Listener<T> onEvent(String event, Consumer<T> callback) {
+        return client.onEvent(event, callback);
+    }
+
+    @Override
+    public CompletableFuture<CopycatClient> connect(Collection<Address> members) {
+        return client.connect(members);
+    }
+
+    @Override
+    public CompletableFuture<CopycatClient> recover() {
+        return client.recover();
+    }
+
+    @Override
+    public CompletableFuture<Void> close() {
+        return client.close();
+    }
+}
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