ObjectLruCache (OpenJ9 JDK 11)

java.lang.Object
- com.ibm.dtfj.corereaders.zos.util.AbstractHashMap
- - com.ibm.dtfj.corereaders.zos.util.AbstractLruCache
  - - com.ibm.dtfj.corereaders.zos.util.ObjectLruCache

All Implemented Interfaces:

Serializable
```
public final class ObjectLruCache
extends AbstractLruCache
```
This class provides an LRU (Least Recently Used) cache which maps integer keys to object values. See the description in the superclass AbstractLruCache for more details.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

ObjectLruCache(int maxSize)
Create a new ObjectLruCache.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`get(long key)`	Returns the value mapped by the given key.
`void`	`put(long key, Object value)`	Add the key/value pair to the map.

Methods declared in class com.ibm.dtfj.corereaders.zos.util.AbstractLruCache
getIndexAndPromote, putIndexAndPromote

Methods declared in class com.ibm.dtfj.corereaders.zos.util.AbstractHashMap
getKeys, getKeysArray

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

- Constructor Detail
  - ObjectLruCache
```
public ObjectLruCache(int maxSize)
```
    Create a new ObjectLruCache.
    
    Parameters:
    
    maxSize - the maximum size the cache can grow to
- Method Detail
  - get
```
public Object get(long key)
```
    Returns the value mapped by the given key. Also promotes this key to the most recently used.
    
    Returns:
    
    the value or null if it cannot be found
  - put
```
public void put(long key,
                Object value)
```
    Add the key/value pair to the map.