Package org.apache.openjpa.lib.util

Interface SizedMap

All Superinterfaces:

Map

All Known Implementing Classes:

ConcurrentHashMap, ConcurrentReferenceHashMap, LRUMap, ReferenceHashMap

public interface SizedMap
extends Map

A Map type that maintains a maximum size, automatically removing entries when the maximum is exceeded.

Author:

Abe White

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Method Summary

Modifier and Type	Method	Description
int	getMaxSize()	The maximum number of entries, or Integer.MAX_VALUE for no limit.
boolean	isFull()	Whether the map is full.
void	overflowRemoved(Object key, Object value)	Overridable callback for when an overflow entry is automatically removed.
void	setMaxSize(int max)	The maximum number of entries, or Integer.MAX_VALUE for no limit.

Methods inherited from interface java.util.Map

clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Method Details

getMaxSize

int getMaxSize()

The maximum number of entries, or Integer.MAX_VALUE for no limit.

setMaxSize

void setMaxSize(int max)

The maximum number of entries, or Integer.MAX_VALUE for no limit.

isFull

boolean isFull()

Whether the map is full.

overflowRemoved

void overflowRemoved(Object key,
 Object value)

Overridable callback for when an overflow entry is automatically removed.