/* * 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.brooklyn.util.core.task; import java.util.concurrent.Callable; import java.util.concurrent.ExecutorService; import java.util.concurrent.Future; import org.apache.brooklyn.api.mgmt.Task; /** * The scheduler is an internal mechanism to decorate {@link Task}s. * * It can control how the tasks are scheduled for execution (e.g. single-threaded execution, * prioritised, etc). */ public interface TaskScheduler { public void injectExecutor(ExecutorService executor); /** * Called by {@link BasicExecutionManager} to schedule tasks. */ public <T> Future<T> submit(Callable<T> c); }