/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2012 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Sonar 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.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.batch;

import org.apache.commons.configuration.Configuration;
import org.sonar.api.batch.ResourceCreationLock;

/**
 * This lock is used to ensure that Sonar resources (files, packages, directories) are not created by buggy plugins
 * when saving measures/violations on unknown resources.
 *
 * @since 2.3
 */
public final class DefaultResourceCreationLock implements ResourceCreationLock {

  private boolean locked = false;
  private boolean failWhenLocked=false;

  public DefaultResourceCreationLock() {
  }

  public DefaultResourceCreationLock(Configuration configuration) {
    this.failWhenLocked = configuration.getBoolean("sonar.hardIndexLock", false);
  }

  public boolean isLocked() {
    return locked;
  }

  public void lock() {
    this.locked = true;
  }

  /**
   * Unlocking is for internal use only.
   */
  public void unlock() {
    locked = false;
  }

  public boolean isFailWhenLocked() {
    return failWhenLocked;
  }

  public void setFailWhenLocked(boolean b) {
    this.failWhenLocked = b;
  }
}