Create DelegatingScheduledExecutorService.java

Author: mercyblitz

microsphere-core/src/main/java/io/microsphere/concurrent/DelegatingScheduledExecutorService.java

@@ -0,0 +1,136 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 io.microsphere.concurrent;
+
+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;
+
+/**
+ * Delegating {@link ScheduledExecutorService}
+ *
+ * @author <a href="mailto:mercyblitz@gmail.com">Mercy<a/>
+ * @see ScheduledExecutorService
+ * @since 1.0.0
+ */
+public class DelegatingScheduledExecutorService implements ScheduledExecutorService {
+
+    private volatile ScheduledExecutorService delegate;
+
+    public DelegatingScheduledExecutorService(ScheduledExecutorService delegate) {
+        this.delegate = delegate;
+    }
+
+    public void setDelegate(ScheduledExecutorService delegate) {
+        this.delegate = delegate;
+    }
+
+    public ScheduledExecutorService getDelegate() {
+        return delegate;
+    }
+
+    @Override
+    public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
+        return getDelegate().schedule(command, delay, unit);
+    }
+
+    @Override
+    public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {
+        return getDelegate().schedule(callable, delay, unit);
+    }
+
+    @Override
+    public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) {
+        return getDelegate().scheduleAtFixedRate(command, initialDelay, period, unit);
+    }
+
+    @Override
+    public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit) {
+        return getDelegate().scheduleWithFixedDelay(command, initialDelay, delay, unit);
+    }
+
+    @Override
+    public void shutdown() {
+        getDelegate().shutdown();
+    }
+
+    @Override
+    public List<Runnable> shutdownNow() {
+        return getDelegate().shutdownNow();
+    }
+
+    @Override
+    public boolean isShutdown() {
+        return getDelegate().isShutdown();
+    }
+
+    @Override
+    public boolean isTerminated() {
+        return getDelegate().isTerminated();
+    }
+
+    @Override
+    public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
+        return getDelegate().awaitTermination(timeout, unit);
+    }
+
+    @Override
+    public <T> Future<T> submit(Callable<T> task) {
+        return getDelegate().submit(task);
+    }
+
+    @Override
+    public <T> Future<T> submit(Runnable task, T result) {
+        return getDelegate().submit(task, result);
+    }
+
+    @Override
+    public Future<?> submit(Runnable task) {
+        return getDelegate().submit(task);
+    }
+
+    @Override
+    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) throws InterruptedException {
+        return getDelegate().invokeAll(tasks);
+    }
+
+    @Override
+    public <T> List<Future<T>> invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException {
+        return getDelegate().invokeAll(tasks, timeout, unit);
+    }
+
+    @Override
+    public <T> T invokeAny(Collection<? extends Callable<T>> tasks) throws InterruptedException, ExecutionException {
+        return getDelegate().invokeAny(tasks);
+    }
+
+    @Override
+    public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
+        return getDelegate().invokeAny(tasks, timeout, unit);
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        getDelegate().execute(command);
+    }
+}