[ONOS-6843] Add atomic value primitive test commands

Change-Id: I998313ffd893a70ca55ab242098d867ab10979d7
diff --git a/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/AtomicValueTestCommand.java b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/AtomicValueTestCommand.java
new file mode 100644
index 0000000..7c00737
--- /dev/null
+++ b/apps/test/distributed-primitives/src/main/java/org/onosproject/distributedprimitives/cli/AtomicValueTestCommand.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2017-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.distributedprimitives.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.onosproject.store.service.AtomicValue;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+
+/**
+ * Atomic value test command.
+ */
+@Command(scope = "onos", name = "value-test",
+        description = "Manipulate an atomic value")
+public class AtomicValueTestCommand extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "name",
+            description = "value name",
+            required = true, multiValued = false)
+    String name = null;
+
+    @Argument(index = 1, name = "operation",
+            description = "operation name",
+            required = true, multiValued = false)
+    String operation = null;
+
+    @Argument(index = 2, name = "key",
+            description = "first arg",
+            required = false, multiValued = false)
+    String arg1 = null;
+
+    @Argument(index = 3, name = "value1",
+            description = "second arg",
+            required = false, multiValued = false)
+    String arg2 = null;
+
+    AtomicValue<String> value;
+
+    @Override
+    protected void execute() {
+        StorageService storageService = get(StorageService.class);
+        value = storageService.<String>atomicValueBuilder()
+                .withName(name)
+                .withSerializer(Serializer.using(KryoNamespaces.BASIC))
+                .build()
+                .asAtomicValue();
+
+        if ("get".equals(operation)) {
+            print(value.get());
+        } else if ("set".equals(operation)) {
+            value.set("null".equals(arg1) ? null : arg1);
+        } else if ("getAndSet".equals(operation)) {
+            print(value.getAndSet(arg1));
+        } else if ("compareAndSet".equals(operation)) {
+            print(value.compareAndSet("null".equals(arg1) ? null : arg1, "null".equals(arg2) ? null : arg2));
+        }
+    }
+
+    void print(Object value) {
+        if (value == null) {
+            print("null");
+        } else {
+            print("%s", value);
+        }
+    }
+}
diff --git a/apps/test/distributed-primitives/src/main/resources/OSGI-INF/blueprint/shell-config.xml b/apps/test/distributed-primitives/src/main/resources/OSGI-INF/blueprint/shell-config.xml
index 9d8b280..735eaa7 100644
--- a/apps/test/distributed-primitives/src/main/resources/OSGI-INF/blueprint/shell-config.xml
+++ b/apps/test/distributed-primitives/src/main/resources/OSGI-INF/blueprint/shell-config.xml
@@ -17,6 +17,9 @@
 
     <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
         <command>
+            <action class="org.onosproject.distributedprimitives.cli.AtomicValueTestCommand"/>
+        </command>
+        <command>
             <action class="org.onosproject.distributedprimitives.cli.CounterTestIncrementCommand"/>
         </command>
         <command>