boon/src/main/java/org/boon/sort/Sort.java
public void sort( List list, Map<String, FieldAccess> fields ) {
        Collections.sort( list, this.comparator( fields ) );
    }
public void sort( List list, Map<String, FieldAccess> fields ) {
        Collections.sort( list, this.comparator( fields ) );
    }
Sort if you already know the reflection fields.
@param list sort from list
@param fields sort from fields.