Package org.h2.util
Class SmallLRUCache<K,V>
- java.lang.Object
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- java.util.AbstractMap<K,V>
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- java.util.HashMap<K,V>
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- java.util.LinkedHashMap<K,V>
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- org.h2.util.SmallLRUCache<K,V>
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- Type Parameters:
K
- the keyV
- the value
- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
,java.util.Map<K,V>
public class SmallLRUCache<K,V> extends java.util.LinkedHashMap<K,V>
This class implements a small LRU object cache.- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
private int
size
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Constructor Summary
Constructors Modifier Constructor Description private
SmallLRUCache(int size)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <K,V>
SmallLRUCache<K,V>newInstance(int size)
Create a new object with all elements of the given collection.protected boolean
removeEldestEntry(java.util.Map.Entry<K,V> eldest)
void
setMaxSize(int size)
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Methods inherited from class java.util.LinkedHashMap
clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values
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Methods inherited from class java.util.HashMap
clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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size
private int size
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Method Detail
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newInstance
public static <K,V> SmallLRUCache<K,V> newInstance(int size)
Create a new object with all elements of the given collection.- Type Parameters:
K
- the key typeV
- the value type- Parameters:
size
- the number of elements- Returns:
- the object
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setMaxSize
public void setMaxSize(int size)
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