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/*
 * Copyright (c) 1998-2018 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.env.deploy;

import java.util.logging.Logger;
import com.caucho.vfs.Dependency;

/**
 * Abstract deployment entry.
 */
public interface DeployInstance extends Dependency {
  /**
   * Returns the deployment class loader.
   */
  public ClassLoader getClassLoader();

  /**
   * Returns true if the deployment is modified.
   */
  public boolean isModified();

  /**
   * Returns true if the deployment is modified, forcing a check.
   */
  public boolean isModifiedNow();

  /**
   * Returns true if the deployment is modified, ignoring settings.
   */
  public boolean isModifiedImpl();

  /**
   * Logs the reason for modification
   */
  public boolean logModified(Logger log);

  /**
   * Returns true if the deployment can be removed.
   */
  public boolean isDeployIdle();

  /**
   * Sets the configuration exception.
   */
  public void setConfigException(Throwable e);

  /**
   * Gets the configuration exception.
   */
  public Throwable getConfigException();
  
  /**
   * Starts the deployment instance
   */
  public void start();

  /**
   * Destroys the deployment instance
   */
  public void destroy();
}