1 files changed, 135 insertions, 0 deletions
diff --git a/framework/src/onos/utils/junit/src/main/java/org/onlab/junit/NullScheduledExecutor.java b/framework/src/onos/utils/junit/src/main/java/org/onlab/junit/NullScheduledExecutor.java
new file mode 100644
index 00000000..6d959703
--- /dev/null
+++ b/framework/src/onos/utils/junit/src/main/java/org/onlab/junit/NullScheduledExecutor.java
@@ -0,0 +1,135 @@
+/*
+ * 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.onlab.junit;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * A scheduled executor service that does not do any of the work scheduled to it.
+ * <p>
+ * This is useful for testing when you want to disable a background scheduled
+ * task.
+ * </p>
+ */
+public class NullScheduledExecutor implements ScheduledExecutorService {
+    @Override
+    public ScheduledFuture<?> schedule(Runnable command, long delay,
+                                       TimeUnit unit) {
+        return null;
+    }
+
+    @Override
+    public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay,
+                                           TimeUnit unit) {
+        return null;
+    }
+
+    @Override
+    public ScheduledFuture<?> scheduleAtFixedRate(Runnable command,
+                                                  long initialDelay,
+                                                  long period, TimeUnit unit) {
+        return null;
+    }
+
+    @Override
+    public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command,
+                                                     long initialDelay,
+                                                     long delay,
+                                                     TimeUnit unit) {
+        return null;
+    }
+
+    @Override
+    public void shutdown() {
+
+    }
+
+    @Override
+    public List<Runnable> shutdownNow() {
+        return null;
+    }
+
+    @Override
+    public boolean isShutdown() {
+        return false;
+    }
+
+    @Override
+    public boolean isTerminated() {
+        return false;
+    }
+
+    @Override
+    public boolean awaitTermination(long timeout, TimeUnit unit)
+            throws InterruptedException {
+        return false;
+    }
+
+    @Override
+    public <T> Future<T> submit(Callable<T> task) {
+        return null;
+    }
+
+    @Override
+    public <T> Future<T> submit(Runnable task, T result) {
+        return null;
+    }
+
+    @Override
+    public Future<?> submit(Runnable task) {
+        return null;
+    }
+
+    @Override
+    public <T> List<Future<T>> invokeAll(
+            Collection<? extends Callable<T>> tasks)
+            throws InterruptedException {
+        return null;
+    }
+
+    @Override
+    public <T> List<Future<T>> invokeAll(
+            Collection<? extends Callable<T>> tasks, long timeout,
+            TimeUnit unit) throws InterruptedException {
+        return null;
+    }
+
+    @Override
+    public <T> T invokeAny(Collection<? extends Callable<T>> tasks)
+            throws InterruptedException, ExecutionException {
+        return null;
+    }
+
+    @Override
+    public <T> T invokeAny(Collection<? extends Callable<T>> tasks,
+                           long timeout, TimeUnit unit)
+            throws InterruptedException, ExecutionException, TimeoutException {
+        return null;
+    }
+
+    @Override
+    public void execute(Runnable command) {
+
+    }
+}