FilterMetaInfo

/**

• some meta-info for filters, such as the configured level (engine/host, etc), and the
• order it being configured in the config file.
• @author xxd
• */

public class FilterMetaInfo implements Comparable<FilterMetaInfo> {

// ---- Level for filters ----
public static enum FilterLevels {
ENGINE("engine"), HOST("host"), CONTEXT("context"), WRAPPER("wrapper");
private final String readableName;

private FilterLevels(String readableName) {
this.readableName = readableName;
}

/*

• (non-Javadoc)
• @see java.lang.Enum#toString() */
  @Override
  public String toString() { return this.readableName;
  }
  }
  private final FilterLevels level;
  private final int order;
  public FilterMetaInfo(FilterLevels level, int order) {
  super();
  this.level = level;
  this.order = order;
  }
  /**

• @return the level
  */ public FilterLevels getLevel() {
  return level; }
  /**
  • @return the order */
    public int getOrder() { return order;
    }
    private int compareOrder(int order1, int order2) { return (order1 < order2 ? -1 : (order1 == order2 ? 0 : 1));
    }
    @Override
    public int compareTo(FilterMetaInfo o) { if (o.level != this.level) {
    return compareOrder(this.order, o.order); } else {
    return this.level.compareTo(o.level); }
    }

}