SimpleLRUCache (jTDS API)

java.lang.Object
- net.sourceforge.jtds.jdbc.cache.SimpleLRUCache<K,V>

```
public class SimpleLRUCache<K,V>
extends java.lang.Object
```
Simple LRU cache for any type of object, based on a LinkedHashMap with a maximum size.

Author:

Holger Rehn

Field Summary

Fields
Modifier and Type Field Description

private java.util.Map<K,V> _Map
map backing the LRU cache

Constructor Summary

Constructors
Constructor Description

SimpleLRUCache(int limit)
Constructs a new LRU cache with a limited capacity.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`V`	`get(K key)`	Get the value associated with the given key, if any.
`V`	`put(K key, V value)`	Updates the LRU cache by adding a new entry.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - _Map
```
private final java.util.Map<K,V> _Map
```
    map backing the LRU cache
- Constructor Detail
  - SimpleLRUCache
```
public SimpleLRUCache(int limit)
```
    Constructs a new LRU cache with a limited capacity.
    
    Parameters:
    
    limit - maximum number of entries in this cache
- Method Detail
  - put
```
public V put(K key,
             V value)
```
    Updates the LRU cache by adding a new entry.
    
    Parameters:
    
    key - key with which the specified value is to be associated
    
    value - value to be associated with the specified key
    
    Returns:
    
    previous value associated with key or null if there was no mapping for key; a null value can also indicate that the cache previously associated null with the specified key
    
    See Also:
    
    Map.put(Object,Object)
  - get
```
public V get(K key)
```
    Get the value associated with the given key, if any.
    
    Parameters:
    
    key - the key whose associated value is to be returned
    
    Returns:
    
    the value to which the specified key is mapped, or null if this map contains no mapping for the key
    
    See Also:
    
    Map.get(Object)