Adding additional resources for instantiating async consistent treemaps.

Change-Id: I7bfc602ac22eda1844fea2a7b3e3133f83157bf3
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java
new file mode 100644
index 0000000..31d5f8e
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DelegatingAsyncConsistentTreeMap.java
@@ -0,0 +1,287 @@
+/*
+ * 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 org.onosproject.store.primitives.TransactionId;
+import org.onosproject.store.service.AsyncConsistentTreeMap;
+import org.onosproject.store.service.MapEventListener;
+import org.onosproject.store.service.MapTransaction;
+import org.onosproject.store.service.Versioned;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.NavigableSet;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+import java.util.function.BiFunction;
+import java.util.function.Predicate;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * A {@link AsyncConsistentTreeMap} that delegates control to another instance
+ * of {@link AsyncConsistentTreeMap}.
+ */
+public class DelegatingAsyncConsistentTreeMap<V>
+        implements AsyncConsistentTreeMap<V> {
+
+    private final AsyncConsistentTreeMap<V> delegateMap;
+
+    DelegatingAsyncConsistentTreeMap(AsyncConsistentTreeMap<V> delegateMap) {
+        this.delegateMap = checkNotNull(delegateMap,
+                                        "delegate map cannot be null");
+    }
+
+    @Override
+    public CompletableFuture<String> firstKey() {
+        return delegateMap.firstKey();
+    }
+
+    @Override
+    public CompletableFuture<String> lastKey() {
+        return delegateMap.lastKey();
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> ceilingEntry(String key) {
+        return delegateMap.ceilingEntry(key);
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> floorEntry(String key) {
+        return delegateMap.floorEntry(key);
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> higherEntry(String key) {
+        return delegateMap.higherEntry(key);
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> lowerEntry(String key) {
+        return delegateMap.lowerEntry(key);
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> firstEntry() {
+        return delegateMap.firstEntry();
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> lastEntry() {
+        return delegateMap.lastEntry();
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> pollFirstEntry() {
+        return delegateMap.pollFirstEntry();
+    }
+
+    @Override
+    public CompletableFuture<Map.Entry<String, Versioned<V>>> pollLastEntry() {
+        return delegateMap.pollLastEntry();
+    }
+
+    @Override
+    public CompletableFuture<String> lowerKey(String key) {
+        return delegateMap.lowerKey(key);
+    }
+
+    @Override
+    public CompletableFuture<String> floorKey(String key) {
+        return delegateMap.floorKey(key);
+    }
+
+    @Override
+    public CompletableFuture<String> ceilingKey(String key) {
+        return delegateMap.ceilingKey(key);
+    }
+
+    @Override
+    public CompletableFuture<String> higherKey(String key) {
+        return delegateMap.higherKey(key);
+    }
+
+    @Override
+    public CompletableFuture<NavigableSet<String>> navigableKeySet() {
+        return delegateMap.navigableKeySet();
+    }
+
+    @Override
+    public CompletableFuture<NavigableMap<String, V>> subMap(
+            String upperKey,
+            String lowerKey,
+            boolean inclusiveUpper,
+            boolean inclusiveLower) {
+        return delegateMap.subMap(upperKey, lowerKey,
+                                  inclusiveUpper, inclusiveLower);
+    }
+
+    @Override
+    public String name() {
+        return delegateMap.name();
+    }
+
+    @Override
+    public CompletableFuture<Integer> size() {
+        return delegateMap.size();
+    }
+
+    @Override
+    public CompletableFuture<Boolean> containsKey(String key) {
+        return delegateMap.containsKey(key);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> containsValue(V value) {
+        return delegateMap.containsValue(value);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> get(String key) {
+        return delegateMap.get(key);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> computeIf(
+            String key,
+            Predicate<? super V> condition,
+            BiFunction<? super String, ? super V,
+                    ? extends V> remappingFunction) {
+        return delegateMap.computeIf(key, condition, remappingFunction);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> put(String key, V value) {
+        return delegateMap.put(key, value);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> putAndGet(String key, V value) {
+        return delegateMap.putAndGet(key, value);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> remove(String key) {
+        return delegateMap.remove(key);
+    }
+
+    @Override
+    public CompletableFuture<Void> clear() {
+        return delegateMap.clear();
+    }
+
+    @Override
+    public CompletableFuture<Set<String>> keySet() {
+        return delegateMap.keySet();
+    }
+
+    @Override
+    public CompletableFuture<Collection<Versioned<V>>> values() {
+        return delegateMap.values();
+    }
+
+    @Override
+    public CompletableFuture<Set<Map.Entry<String, Versioned<V>>>> entrySet() {
+        return delegateMap.entrySet();
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> putIfAbsent(String key, V value) {
+        return delegateMap.putIfAbsent(key, value);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> remove(String key, V value) {
+        return delegateMap.remove(key, value);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> remove(String key, long version) {
+        return delegateMap.remove(key, version);
+    }
+
+    @Override
+    public CompletableFuture<Versioned<V>> replace(String key, V value) {
+        return delegateMap.replace(key, value);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> replace(String key, V oldValue,
+                                              V newValue) {
+        return delegateMap.replace(key, oldValue, newValue);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> replace(String key, long oldVersion,
+                                              V newValue) {
+        return delegateMap.replace(key, oldVersion, newValue);
+    }
+
+    @Override
+    public CompletableFuture<Void> addListener(
+            MapEventListener<String, V> listener, Executor executor) {
+        return delegateMap.addListener(listener, executor);
+    }
+
+    @Override
+    public CompletableFuture<Void> removeListener(
+            MapEventListener<String, V> listener) {
+        return delegateMap.removeListener(listener);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> prepare(
+            MapTransaction<String, V> transaction) {
+        return delegateMap.prepare(transaction);
+    }
+
+    @Override
+    public CompletableFuture<Void> commit(TransactionId transactionId) {
+        return delegateMap.commit(transactionId);
+    }
+
+    @Override
+    public CompletableFuture<Void> rollback(TransactionId transactionId) {
+        return delegateMap.rollback(transactionId);
+    }
+
+    @Override
+    public CompletableFuture<Boolean> prepareAndCommit(
+            MapTransaction<String, V> transaction) {
+        return delegateMap.prepareAndCommit(transaction);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (other instanceof DelegatingAsyncConsistentTreeMap) {
+            DelegatingAsyncConsistentTreeMap<V> that =
+                    (DelegatingAsyncConsistentTreeMap) other;
+            return this.delegateMap.equals(that.delegateMap);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(delegateMap);
+    }
+
+}