Someone

public class SearchValueType {

    private final String name;
    private final int value;
    protected SearchValueType(String name, int value) {
      this.name = name;
      this.value = value;
    }
    public static final SearchValueType STRING = new SearchValueType("STRING", 0);
    public static final SearchValueType DATE = new SearchValueType("DATE", 1);
    // other types below
}