/* * 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.catalina; import java.util.concurrent.TimeUnit; public interface Executor extends java.util.concurrent.Executor, Lifecycle { public String getName(); /** * Executes the given command at some time in the future. The command * may execute in a new thread, in a pooled thread, or in the calling * thread, at the discretion of the <tt>Executor</tt> implementation. * If no threads are available, it will be added to the work queue. * If the work queue is full, the system will wait for the specified * time until it throws a RejectedExecutionException * * @param command the runnable task * @throws java.util.concurrent.RejectedExecutionException if this task * cannot be accepted for execution - the queue is full * @throws NullPointerException if command or unit is null */ void execute(Runnable command, long timeout, TimeUnit unit); }