Refactor change: Moved all distributed primitive implementation classes into onos-core-primitives bundle
Change-Id: Icd5dbd4133cb2f21bd403bcd598e6012813e6bfd
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/ConsistentMapBackedJavaMap.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/ConsistentMapBackedJavaMap.java
new file mode 100644
index 0000000..7c23c65
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/ConsistentMapBackedJavaMap.java
@@ -0,0 +1,160 @@
+/*
+ * 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.primitives.impl;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.Versioned;
+
+import com.google.common.collect.Collections2;
+import com.google.common.collect.Maps;
+
+/**
+ * Standard java Map backed by a ConsistentMap.
+ *
+ * @param <K> key type
+ * @param <V> value type
+ */
+public final class ConsistentMapBackedJavaMap<K, V> implements Map<K, V> {
+
+ private final ConsistentMap<K, V> backingMap;
+
+ public ConsistentMapBackedJavaMap(ConsistentMap<K, V> backingMap) {
+ this.backingMap = backingMap;
+ }
+
+ @Override
+ public int size() {
+ return backingMap.size();
+ }
+
+ @Override
+ public boolean isEmpty() {
+ return backingMap.isEmpty();
+ }
+
+ @Override
+ public boolean containsKey(Object key) {
+ return backingMap.containsKey((K) key);
+ }
+
+ @Override
+ public boolean containsValue(Object value) {
+ return backingMap.containsValue((V) value);
+ }
+
+ @Override
+ public V get(Object key) {
+ return Versioned.valueOrElse(backingMap.get((K) key), null);
+ }
+
+ @Override
+ public V getOrDefault(Object key, V defaultValue) {
+ return Versioned.valueOrElse(backingMap.get((K) key), defaultValue);
+ }
+
+ @Override
+ public V put(K key, V value) {
+ return Versioned.valueOrElse(backingMap.put(key, value), null);
+ }
+
+ @Override
+ public V putIfAbsent(K key, V value) {
+ return Versioned.valueOrElse(backingMap.putIfAbsent(key, value), null);
+ }
+
+ @Override
+ public V remove(Object key) {
+ return Versioned.valueOrElse(backingMap.remove((K) key), null);
+ }
+
+ @Override
+ public boolean remove(Object key, Object value) {
+ return backingMap.remove((K) key, (V) value);
+ }
+
+ @Override
+ public V replace(K key, V value) {
+ throw new UnsupportedOperationException();
+ }
+
+ @Override
+ public boolean replace(K key, V oldValue, V newValue) {
+ return backingMap.replace(key, oldValue, newValue);
+ }
+
+ @Override
+ public void putAll(Map<? extends K, ? extends V> m) {
+ m.forEach((k, v) -> {
+ backingMap.put(k, v);
+ });
+ }
+
+ @Override
+ public void clear() {
+ backingMap.clear();
+ }
+
+ @Override
+ public V compute(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+ return Versioned.valueOrElse(backingMap.compute(key, remappingFunction), null);
+ }
+
+ @Override
+ public V computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction) {
+ return Versioned.valueOrElse(backingMap.computeIfAbsent(key, mappingFunction), null);
+ }
+
+ @Override
+ public V computeIfPresent(K key, BiFunction<? super K, ? super V, ? extends V> remappingFunction) {
+ return Versioned.valueOrElse(backingMap.computeIfPresent(key, remappingFunction), null);
+ }
+
+ @Override
+ public Set<K> keySet() {
+ return backingMap.keySet();
+ }
+
+ @Override
+ public Collection<V> values() {
+ return Collections2.transform(backingMap.values(), v -> v.value());
+ }
+
+ @Override
+ public Set<java.util.Map.Entry<K, V>> entrySet() {
+ return backingMap.entrySet()
+ .stream()
+ .map(entry -> Maps.immutableEntry(entry.getKey(), entry.getValue().value()))
+ .collect(Collectors.toSet());
+ }
+
+ @Override
+ public void forEach(BiConsumer<? super K, ? super V> action) {
+ entrySet().forEach(e -> action.accept(e.getKey(), e.getValue()));
+ }
+
+ @Override
+ public V merge(K key, V value, BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
+ return computeIfPresent(key, (k, v) -> v == null ? value : remappingFunction.apply(v, value));
+ }
+}
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