Package net.shibboleth.idp.consent.logic.impl

Class CounterStorageKeyComparator

java.lang.Object

net.shibboleth.idp.consent.logic.impl.CounterStorageKeyComparator

All Implemented Interfaces:

Comparator<String>

public class CounterStorageKeyComparator
extends Object
implements Comparator<String>

A Comparator used to order storage keys so that the least used and oldest storage keys are returned first. The constructor for this class accepts two arguments : (1) the storage keys in order of oldest first and (2) the number of times the storage keys were used.

Field Summary

Fields

Modifier and Type	Field	Description
private Map<String,Long>	keyToCounterMap	Map of storage keys to counters.
private Logger	log	Class logger.
private List<String>	storageKeys	Storage keys in FIFO order.

Constructor Summary

Constructors

Constructor	Description
CounterStorageKeyComparator(List<String> keys, Map<String,Long> map)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	compare(String o1, String o2)

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

Field Detail

log

@Nonnull
private final Logger log

Class logger.

storageKeys

@Nonnull
private final List<String> storageKeys

Storage keys in FIFO order.

keyToCounterMap

@Nonnull
private final Map<String,Long> keyToCounterMap

Map of storage keys to counters.

Constructor Detail

CounterStorageKeyComparator

public CounterStorageKeyComparator(@Nonnull
                                   List<String> keys,
                                   @Nonnull
                                   Map<String,Long> map)

Constructor.

Parameters:

keys - storage keys in FIFO order

map - number of times the storage keys were used

Method Detail

compare

public int compare(String o1,
                   String o2)

Specified by:

compare in interface Comparator<String>