Package org.graylog2.indexer.indices.util

Class NumberBasedIndexNameComparator

java.lang.Object

org.graylog2.indexer.indices.util.NumberBasedIndexNameComparator

All Implemented Interfaces:

Comparator<String>

public class NumberBasedIndexNameComparator
extends Object
implements Comparator<String>

Compares Strings in format [index_prefix][separator][number], i.e. graylog_12. Tries to compare by index_prefix first (ascending), if prefixes are the same, uses number to compare(descending).

Constructor Summary

Constructors

Constructor	Description
NumberBasedIndexNameComparator(String separator)

Method Summary

Modifier and Type	Method	Description
int	compare(String indexName1, String indexName2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

NumberBasedIndexNameComparator

public NumberBasedIndexNameComparator(String separator)

Method Details

compare

public int compare(String indexName1,
 String indexName2)

Specified by:

compare in interface Comparator<String>