Java tutorial
/* * 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.commons.exec; /** * Destroys all registered {@link java.lang.Process} after a certain event, * typically when the VM exits * @see org.apache.commons.exec.ShutdownHookProcessDestroyer * * @version $Id: ProcessDestroyer.java 1636056 2014-11-01 21:12:52Z ggregory $ */ public interface ProcessDestroyer { /** * Returns {@code true} if the specified * {@link java.lang.Process} was * successfully added to the list of processes to be destroy. * * @param process * the process to add * @return {@code true} if the specified * {@link java.lang.Process} was * successfully added */ boolean add(Process process); /** * Returns {@code true} if the specified * {@link java.lang.Process} was * successfully removed from the list of processes to be destroy. * * @param process * the process to remove * @return {@code true} if the specified * {@link java.lang.Process} was * successfully removed */ boolean remove(Process process); /** * Returns the number of registered processes. * * @return the number of register process */ int size(); }