package sk.stuba.fiit.perconik.eclipse.core.resources;

import java.util.Set;

import com.google.common.collect.ImmutableSet;

import org.eclipse.core.resources.IResourceDelta;

import sk.stuba.fiit.perconik.utilities.constant.IntegralConstant;
import sk.stuba.fiit.perconik.utilities.constant.IntegralConstantSupport;

/**
 * Resource delta kinds.
 *
 * @see IResourceDelta
 *
 * @author Pavol Zbell
 * @since 1.0
 */
public enum ResourceDeltaKind implements IntegralConstant {
  /**
   * @see IResourceDelta#NO_CHANGE
   */
  NO_CHANGE(IResourceDelta.NO_CHANGE),

  /**
   * @see IResourceDelta#ADDED
   */
  ADDED(IResourceDelta.ADDED),

  /**
   * @see IResourceDelta#REMOVED
   */
  REMOVED(IResourceDelta.REMOVED),

  /**
   * @see IResourceDelta#CHANGED
   */
  CHANGED(IResourceDelta.CHANGED),

  /**
   * @see IResourceDelta#ADDED_PHANTOM
   */
  ADDED_PHANTOM(IResourceDelta.ADDED_PHANTOM),

  /**
   * @see IResourceDelta#REMOVED_PHANTOM
   */
  REMOVED_PHANTOM(IResourceDelta.REMOVED_PHANTOM);

  public static final Set<ResourceDeltaKind> ALL_WITH_PHANTOMS = ImmutableSet.of(ADDED, REMOVED, CHANGED, ADDED_PHANTOM, REMOVED_PHANTOM);

  private static final IntegralConstantSupport<ResourceDeltaKind> integers = IntegralConstantSupport.of(ResourceDeltaKind.class);

  private final int value;

  private ResourceDeltaKind(final int value) {
    this.value = value;
  }

  public static Set<Integer> valuesAsIntegers() {
    return integers.getIntegers();
  }

  public static ResourceDeltaKind valueOf(final int value) {
    return integers.getConstant(value);
  }

  public int getValue() {
    return this.value;
  }
}