[HBASE-20484] Remove the unnecessary autoboxing in FilterListBase

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.1.0, 2.0.1
• Labels: beginner beginners
• Hadoop Flags: Reviewed
• Assignee: Guangxu Cheng
• Reporter: Chia-Ping Tsai
• Created: 25/Apr/18 01:44
• Updated: 02/May/18 10:54
• Resolved: 02/May/18 02:15

Description

protected static boolean checkAndGetReversed(List<Filter> rowFilters, boolean defaultValue) {
  if (rowFilters.isEmpty()) {
    return defaultValue;
  }
  Boolean retValue = rowFilters.get(0).isReversed();   // this one
  boolean allEqual = rowFilters.stream().map(Filter::isReversed).allMatch(retValue::equals);
  if (!allEqual) {
    throw new IllegalArgumentException("Filters in the list must have the same reversed flag");
  }
  return retValue;
}