Adding additional TreeMap resources
Change-Id: I103a8c5e6fb1c5e7a6ae0942e0b746367da18736
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentTreeMap.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentTreeMap.java
new file mode 100644
index 0000000..3baadde
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentTreeMap.java
@@ -0,0 +1,401 @@
+/*
+ * Copyright 2016 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.resources.impl;
+
+import com.google.common.collect.Maps;
+import io.atomix.copycat.client.CopycatClient;
+import io.atomix.resource.AbstractResource;
+import io.atomix.resource.ResourceTypeInfo;
+import org.onlab.util.Match;
+import org.onosproject.store.primitives.TransactionId;
+import org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.FirstKey;
+import org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.FloorEntry;
+import org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.HigherEntry;
+import org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.LastEntry;
+import org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.LowerEntry;
+import org.onosproject.store.service.AsyncConsistentTreeMap;
+import org.onosproject.store.service.MapEvent;
+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.ConcurrentModificationException;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.NavigableSet;
+import java.util.Properties;
+import java.util.Set;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.BiFunction;
+import java.util.function.Predicate;
+
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.CeilingEntry;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.CeilingKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Clear;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.ContainsKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.ContainsValue;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.EntrySet;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.FirstEntry;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.FloorKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Get;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.HigherKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.IsEmpty;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.KeySet;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.LastKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Listen;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.LowerKey;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.PollFirstEntry;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.PollLastEntry;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Size;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Unlisten;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.UpdateAndGet;
+import static org.onosproject.store.primitives.resources.impl.AtomixConsistentTreeMapCommands.Values;
+
+/**
+ * Implementation of {@link AsyncConsistentTreeMap}.
+ */
+@ResourceTypeInfo(id = -155, factory = AtomixConsistentTreeMapFactory.class)
+public class AtomixConsistentTreeMap extends AbstractResource<AtomixConsistentTreeMap>
+ implements AsyncConsistentTreeMap<String, byte[]> {
+
+ private final Map<MapEventListener<String, byte[]>, Executor>
+ mapEventListeners = Maps.newConcurrentMap();
+
+ public static final String CHANGE_SUBJECT = "changeEvents";
+
+ public AtomixConsistentTreeMap(CopycatClient client, Properties options) {
+ super(client, options);
+ }
+
+ @Override
+ public String name() {
+ return null;
+ }
+
+ @Override
+ public CompletableFuture<AtomixConsistentTreeMap> open() {
+ return super.open().thenApply(result -> {
+ client.onEvent(CHANGE_SUBJECT, this::handleEvent);
+ return result;
+ });
+ }
+
+ private void handleEvent(List<MapEvent<String, byte[]>> events) {
+ events.forEach(event -> mapEventListeners.
+ forEach((listener, executor) ->
+ executor.execute(() ->
+ listener.event(event))));
+ }
+
+ @Override
+ public CompletableFuture<Boolean> isEmpty() {
+ return client.submit(new IsEmpty());
+ }
+
+ @Override
+ public CompletableFuture<Integer> size() {
+ return client.submit(new Size());
+ }
+
+ @Override
+ public CompletableFuture<Boolean> containsKey(String key) {
+ return client.submit(new ContainsKey(key));
+ }
+
+ @Override
+ public CompletableFuture<Boolean> containsValue(byte[] value) {
+ return client.submit(new ContainsValue(value));
+ }
+
+ @Override
+ public CompletableFuture<Versioned<byte[]>> get(String key) {
+ return client.submit(new Get(key));
+ }
+
+ @Override
+ public CompletableFuture<Set<String>> keySet() {
+ return client.submit(new KeySet());
+ }
+
+ @Override
+ public CompletableFuture<Collection<Versioned<byte[]>>> values() {
+ return client.submit(new Values());
+ }
+
+ @Override
+ public CompletableFuture<Set<Map.Entry<String, Versioned<byte[]>>>> entrySet() {
+ return client.submit(new EntrySet());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> put(String key, byte[] value) {
+ return client.submit(new UpdateAndGet(key, value, Match.ANY, Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.oldValue());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> putAndGet(String key, byte[] value) {
+ return client.submit(new UpdateAndGet(key, value, Match.ANY, Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.newValue());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> putIfAbsent(String key, byte[] value) {
+ return client.submit(new UpdateAndGet(key, value, Match.NULL, Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.oldValue());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> remove(String key) {
+ return client.submit(new UpdateAndGet(key, null, Match.ANY, Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.oldValue());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Boolean> remove(String key, byte[] value) {
+ return client.submit(new UpdateAndGet(key, null, Match.ifValue(value), Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.updated());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Boolean> remove(String key, long version) {
+ return client.submit(new UpdateAndGet(key, null, Match.ANY, Match.ifValue(version)))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.updated());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> replace(String key, byte[] value) {
+ return client.submit(new UpdateAndGet(key, value, Match.NOT_NULL, Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.oldValue());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Boolean> replace(String key, byte[] oldValue, byte[] newValue) {
+ return client.submit(new UpdateAndGet(key, newValue, Match.ifValue(oldValue), Match.ANY))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.updated());
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Boolean> replace(String key, long oldVersion, byte[] newValue) {
+ return client.submit(new UpdateAndGet(key, newValue, Match.ANY, Match.ifValue(oldVersion)))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.updated());
+ }
+
+ @Override
+ public CompletableFuture<Void> clear() {
+ return client.submit(new Clear())
+ .whenComplete((r, e) -> throwIfLocked(r))
+ .thenApply(v -> null);
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public CompletableFuture<Versioned<byte[]>> computeIf(String key,
+ Predicate<? super byte[]> condition,
+ BiFunction<? super String,
+ ? super byte[],
+ ? extends byte[]> remappingFunction) {
+ return get(key).thenCompose(r1 -> {
+ byte[] existingValue = r1 == null ? null : r1.value();
+
+ if (!condition.test(existingValue)) {
+ return CompletableFuture.completedFuture(r1);
+ }
+
+ AtomicReference<byte[]> computedValue = new AtomicReference<byte[]>();
+ try {
+ computedValue.set(remappingFunction.apply(key, existingValue));
+ } catch (Exception e) {
+ CompletableFuture<Versioned<byte[]>> future = new CompletableFuture<>();
+ future.completeExceptionally(e);
+ return future;
+ }
+ if (computedValue.get() == null && r1 == null) {
+ return CompletableFuture.completedFuture(null);
+ }
+ Match<byte[]> valueMatch = r1 == null ? Match.NULL : Match.ANY;
+ Match<Long> versionMatch = r1 == null ? Match.ANY : Match.ifValue(r1.version());
+ return client.submit(new UpdateAndGet(key, computedValue.get(),
+ valueMatch, versionMatch))
+ .whenComplete((r, e) -> throwIfLocked(r.status()))
+ .thenApply(v -> v.newValue());
+ });
+ }
+
+ @Override
+ public CompletableFuture<Void> addListener(
+ MapEventListener<String, byte[]> listener, Executor executor) {
+ if (mapEventListeners.isEmpty()) {
+ return client.submit(new Listen()).thenRun(() ->
+ mapEventListeners.put(listener,
+ executor));
+ } else {
+ mapEventListeners.put(listener, executor);
+ return CompletableFuture.completedFuture(null);
+ }
+ }
+
+ @Override
+ public synchronized CompletableFuture<Void> removeListener(MapEventListener<String, byte[]> listener) {
+ if (mapEventListeners.remove(listener) != null &&
+ mapEventListeners.isEmpty()) {
+ return client.submit(new Unlisten())
+ .thenApply(v -> null);
+ }
+ return CompletableFuture.completedFuture(null);
+ }
+
+
+ private void throwIfLocked(MapEntryUpdateResult.Status status) {
+ if (status == MapEntryUpdateResult.Status.WRITE_LOCK) {
+ throw new ConcurrentModificationException("Cannot update TreeMap: another update is in progress.");
+ }
+ }
+
+ @Override
+ public CompletableFuture<String> firstKey() {
+ return client.submit(new FirstKey<String>());
+ }
+
+ @Override
+ public CompletableFuture<String> lastKey() {
+ return client.submit(new LastKey<String>());
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> ceilingEntry(String key) {
+ return client.submit(new CeilingEntry(key));
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> floorEntry(String key) {
+ return client.submit(new FloorEntry<String, Versioned<byte[]>>(key));
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> higherEntry(
+ String key) {
+ return client.submit(new HigherEntry<String, Versioned<byte[]>>(key));
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> lowerEntry(
+ String key) {
+ return client.submit(new LowerEntry<>(key));
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> firstEntry() {
+ return client.submit(new FirstEntry());
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> lastEntry() {
+ return client.submit(new LastEntry<String, Versioned<byte[]>>());
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> pollFirstEntry() {
+ return client.submit(new PollFirstEntry());
+ }
+
+ @Override
+ public CompletableFuture<Map.Entry<String, Versioned<byte[]>>> pollLastEntry() {
+ return client.submit(new PollLastEntry());
+ }
+
+ @Override
+ public CompletableFuture<String> lowerKey(String key) {
+ return client.submit(new LowerKey(key));
+ }
+
+ @Override
+ public CompletableFuture<String> floorKey(String key) {
+ return client.submit(new FloorKey(key));
+ }
+
+ @Override
+ public CompletableFuture<String> ceilingKey(String key) {
+ return client.submit(new CeilingKey(key));
+ }
+
+ @Override
+ public CompletableFuture<String> higherKey(String key) {
+ return client.submit(new HigherKey(key));
+ }
+
+ @Override
+ public CompletableFuture<NavigableSet<String>> navigableKeySet() {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported.");
+ }
+
+ @Override
+ public CompletableFuture<NavigableMap<String, byte[]>> subMap(
+ String upperKey, String lowerKey, boolean inclusiveUpper,
+ boolean inclusiveLower) {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported."); }
+
+ @Override
+ public CompletableFuture<Boolean> prepareAndCommit(MapTransaction<String,
+ byte[]> transaction) {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported.");
+ }
+
+ @Override
+ public CompletableFuture<Boolean> prepare(MapTransaction<String, byte[]>
+ transaction) {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported.");
+ }
+
+ @Override
+ public CompletableFuture<Void> commit(TransactionId transactionId) {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported.");
+ }
+
+ @Override
+ public CompletableFuture<Void> rollback(TransactionId transactionId) {
+ throw new UnsupportedOperationException("This operation is not yet " +
+ "supported.");
+ }
+}