Package io.debezium.util

Class LRUCacheMap<K,V>

java.lang.Object

io.debezium.util.LRUCacheMap<K,V>

All Implemented Interfaces:

org.apache.kafka.common.cache.Cache<K,V>

@NotThreadSafe
public class LRUCacheMap<K,V>
extends Object
implements org.apache.kafka.common.cache.Cache<K,V>

A custom implementation of LRUCache that allows exposure to the underlying delegate's key or values collections.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private final LinkedHashMap<K,V>	delegate

Constructor Summary

Constructors

Constructor	Description
LRUCacheMap(int maxSize)

Method Summary

Modifier and Type	Method	Description
V	get(K key)
Set<K>	keySet()
void	put(K key, V value)
boolean	remove(K key)
long	size()
String	toString()
Collection<V>	values()

Methods inherited from class java.lang.Object

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

Field Details

delegate

private final LinkedHashMap<K,V> delegate

Constructor Details

LRUCacheMap

public LRUCacheMap(int maxSize)

Method Details

get

public V get(K key)

Specified by:

get in interface org.apache.kafka.common.cache.Cache<K,V>

put

public void put(K key,
 V value)

Specified by:

put in interface org.apache.kafka.common.cache.Cache<K,V>

remove

public boolean remove(K key)

Specified by:

remove in interface org.apache.kafka.common.cache.Cache<K,V>

size

public long size()

Specified by:

size in interface org.apache.kafka.common.cache.Cache<K,V>

keySet

public Set<K> keySet()

values

public Collection<V> values()

toString

public String toString()

Overrides:

toString in class Object