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/DefaultAsyncAtomicCounter.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultAsyncAtomicCounter.java
new file mode 100644
index 0000000..1a38727
--- /dev/null
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultAsyncAtomicCounter.java
@@ -0,0 +1,106 @@
+/*
+ * 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 org.onosproject.store.service.AsyncAtomicCounter;
+
+import java.util.concurrent.CompletableFuture;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default implementation for a distributed AsyncAtomicCounter backed by
+ * partitioned Raft DB.
+ * <p>
+ * The initial value will be zero.
+ */
+public class DefaultAsyncAtomicCounter implements AsyncAtomicCounter {
+
+ private final String name;
+ private final Database database;
+ private final MeteringAgent monitor;
+
+ private static final String PRIMITIVE_NAME = "atomicCounter";
+ private static final String INCREMENT_AND_GET = "incrementAndGet";
+ private static final String GET_AND_INCREMENT = "getAndIncrement";
+ private static final String GET_AND_ADD = "getAndAdd";
+ private static final String ADD_AND_GET = "addAndGet";
+ private static final String GET = "get";
+ private static final String SET = "set";
+ private static final String COMPARE_AND_SET = "compareAndSet";
+
+ public DefaultAsyncAtomicCounter(String name,
+ Database database,
+ boolean meteringEnabled) {
+ this.name = checkNotNull(name);
+ this.database = checkNotNull(database);
+ this.monitor = new MeteringAgent(PRIMITIVE_NAME, name, meteringEnabled);
+ }
+
+ @Override
+ public String name() {
+ return name;
+ }
+
+ @Override
+ public CompletableFuture<Long> incrementAndGet() {
+ final MeteringAgent.Context timer = monitor.startTimer(INCREMENT_AND_GET);
+ return addAndGet(1L)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Long> get() {
+ final MeteringAgent.Context timer = monitor.startTimer(GET);
+ return database.counterGet(name)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Long> getAndIncrement() {
+ final MeteringAgent.Context timer = monitor.startTimer(GET_AND_INCREMENT);
+ return getAndAdd(1L)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Long> getAndAdd(long delta) {
+ final MeteringAgent.Context timer = monitor.startTimer(GET_AND_ADD);
+ return database.counterGetAndAdd(name, delta)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Long> addAndGet(long delta) {
+ final MeteringAgent.Context timer = monitor.startTimer(ADD_AND_GET);
+ return database.counterAddAndGet(name, delta)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Void> set(long value) {
+ final MeteringAgent.Context timer = monitor.startTimer(SET);
+ return database.counterSet(name, value)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+
+ @Override
+ public CompletableFuture<Boolean> compareAndSet(long expectedValue, long updateValue) {
+ final MeteringAgent.Context timer = monitor.startTimer(COMPARE_AND_SET);
+ return database.counterCompareAndSet(name, expectedValue, updateValue)
+ .whenComplete((r, e) -> timer.stop(e));
+ }
+}