| /* |
| * 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.uima.ducc.agent.launcher; |
| |
| import org.apache.uima.ducc.common.utils.DuccLogger; |
| import org.apache.uima.ducc.transport.cmdline.ICommandLine; |
| import org.apache.uima.ducc.transport.cmdline.NonJavaCommandLine; |
| |
| public class SigTermCommand implements ICommand { |
| private static final String SIGTERM = "-15"; |
| |
| private final String[] sigTermCmdLine; |
| |
| private final DuccLogger logger; |
| |
| private final ManagedProcess deployProcess; |
| |
| public SigTermCommand(ManagedProcess managedProcess, DuccLogger logger) { |
| ICommandLine cmdL = new NonJavaCommandLine("/bin/kill"); |
| this.logger = logger; |
| this.deployProcess = managedProcess; |
| cmdL.addArgument(SIGTERM); |
| cmdL.addArgument(deployProcess.getPid()); |
| sigTermCmdLine = CommandBuilder.deployableStopCommand(cmdL, managedProcess); |
| } |
| |
| @Override |
| public Integer call() { |
| String methodName = "SigTermCommand.call"; |
| ProcessBuilder processBuilder = new ProcessBuilder(sigTermCmdLine); |
| try { |
| StringBuilder sb = new StringBuilder("--->Killing Process "); |
| sb.append(" Using command line:"); |
| int inx = 0; |
| for (String cmdPart : sigTermCmdLine) { |
| sb.append("\n\t[").append(inx++).append("]").append(cmdPart); |
| // Not sure why place-holders are replaced just for this msg? |
| } |
| logger.info(methodName, deployProcess.getDuccId(), sb.toString()); |
| |
| java.lang.Process process = processBuilder.start(); |
| // Drain process streams in dedicated threads. |
| deployProcess.drainProcessStreams(process, logger, System.out, true); |
| // wait for the kill command to complete |
| return process.waitFor(); |
| |
| } catch (Exception e) { |
| // Log this |
| logger.warn(methodName, null, e); |
| } |
| return -1; |
| } |
| |
| } |