Package com.jayway.jsonpath.spi.cache

Class LRUCache

java.lang.Object

com.jayway.jsonpath.spi.cache.LRUCache

All Implemented Interfaces:

Cache

public class LRUCache
extends java.lang.Object
implements Cache

Field Summary

Fields

Modifier and Type	Field	Description
private int	limit
private java.util.concurrent.locks.ReentrantLock	lock
private java.util.Map<java.lang.String,JsonPath>	map
private java.util.Deque<java.lang.String>	queue

Constructor Summary

Constructors

Constructor	Description
LRUCache(int limit)

Method Summary

Modifier and Type	Method	Description
private void	addKey(java.lang.String key)
JsonPath	get(java.lang.String key)	Get the Cached JsonPath
JsonPath	getSilent(java.lang.String key)
void	put(java.lang.String key, JsonPath value)	Add JsonPath to the cache
void	remove(java.lang.String key)
private void	removeFirstOccurrence(java.lang.String key)
private java.lang.String	removeLast()
private void	removeThenAddKey(java.lang.String key)
int	size()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

lock

private final java.util.concurrent.locks.ReentrantLock lock

map

private final java.util.Map<java.lang.String,JsonPath> map

queue

private final java.util.Deque<java.lang.String> queue

limit

private final int limit

Constructor Detail

LRUCache

public LRUCache(int limit)

Method Detail

put

public void put(java.lang.String key,
                JsonPath value)

Description copied from interface: Cache

Add JsonPath to the cache

Specified by:

put in interface Cache

Parameters:

key - cache key to store the JsonPath

value - JsonPath to be cached

get

public JsonPath get(java.lang.String key)

Description copied from interface: Cache

Get the Cached JsonPath

Specified by:

get in interface Cache

Parameters:

key - cache key to lookup the JsonPath

Returns:

JsonPath

addKey

private void addKey(java.lang.String key)

removeLast

private java.lang.String removeLast()

removeThenAddKey

private void removeThenAddKey(java.lang.String key)

removeFirstOccurrence

private void removeFirstOccurrence(java.lang.String key)

getSilent

public JsonPath getSilent(java.lang.String key)

remove

public void remove(java.lang.String key)

size

public int size()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object