001/*
002 * SonarQube, open source software quality management tool.
003 * Copyright (C) 2008-2014 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * SonarQube is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * SonarQube is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.process;
021
022public interface Monitored {
023
024  /**
025   * Starts process. No need to block until fully started and operational.
026   */
027  void start();
028
029  /**
030   * True if the process is started and operational (-> can accept requests), false if
031   * it's still starting. An exception is thrown is process failed to start (not starting
032   * nor started).
033   */
034  boolean isReady();
035
036  /**
037   * Blocks until the process is terminated
038   */
039  void awaitStop();
040
041  void stop();
042}