| /* |
| * 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 org.apache.htrace.core; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * A convenience wrapper around a {@link ScheduledExecutorService} for |
| * automatically propagating trace scopes to executable tasks. |
| * <p> |
| * Recurring tasks will use independent scopes per execution, but will all be |
| * tied to the same parent scope (if any). |
| */ |
| public class ScheduledTraceExecutorService extends TraceExecutorService |
| implements ScheduledExecutorService { |
| final ScheduledExecutorService impl; |
| |
| ScheduledTraceExecutorService(Tracer tracer, String scopeName, |
| ScheduledExecutorService impl) { |
| super(tracer, scopeName, impl); |
| this.impl = impl; |
| } |
| |
| @Override |
| public ScheduledFuture<?> schedule(Runnable command, long delay, |
| TimeUnit unit) { |
| return impl.schedule(wrap(command), delay, unit); |
| } |
| |
| @Override |
| public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, |
| TimeUnit unit) { |
| return impl.schedule(wrap(callable), delay, unit); |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, |
| long initialDelay, long period, TimeUnit unit) { |
| return impl.scheduleAtFixedRate(wrap(command), initialDelay, period, unit); |
| } |
| |
| @Override |
| public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, |
| long initialDelay, long delay, TimeUnit unit) { |
| return impl.scheduleWithFixedDelay(wrap(command), initialDelay, delay, |
| unit); |
| } |
| |
| } |