DelegatingNullSafeCache (infrautils 1.7.4-SNAPSHOT API)

java.lang.Object
- com.google.common.collect.ForwardingObject
- - org.opendaylight.infrautils.caches.baseimpl.DelegatingNullSafeBaseCache<K,V>
  - - org.opendaylight.infrautils.caches.baseimpl.DelegatingNullSafeCache<K,V>

All Implemented Interfaces:

AutoCloseable, BaseCache<K,V>, Cache<K,V>
```
public final class DelegatingNullSafeCache<K,V>
extends DelegatingNullSafeBaseCache<K,V>
implements Cache<K,V>
```
Cache with null handling, useful for API implementors (not users).

Author:

Michael Vorburger.ch

Constructor Summary

Constructors
Constructor Description

DelegatingNullSafeCache(Cache<K,V> delegate)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Cache<K,V>`	`delegate()`
`com.google.common.collect.ImmutableMap<K,V>`	`get(Iterable<? extends K> keys)`	Get several cache entries, in one go.
`V`	`get(K key)`	Get cache entry.

Methods inherited from class org.opendaylight.infrautils.caches.baseimpl.DelegatingNullSafeBaseCache
asMap, checkNonNullKeys, checkReturnValue, checkReturnValue, close, evict, getManager, put

Methods inherited from class com.google.common.collect.ForwardingObject
toString

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

Methods inherited from interface java.lang.AutoCloseable
close

Methods inherited from interface org.opendaylight.infrautils.caches.BaseCache
asMap, evict, getManager, put

Methods inherited from interface org.opendaylight.infrautils.caches.Cache
get

- Constructor Detail
  - DelegatingNullSafeCache
```
public DelegatingNullSafeCache(Cache<K,V> delegate)
```
- Method Detail
  - delegate
```
protected Cache<K,V> delegate()
```
    Specified by:
    
    delegate in class DelegatingNullSafeBaseCache<K,V>
  - get
```
public V get(K key)
```
    Description copied from interface: Cache
    
    Get cache entry. If the cache does not currently contain an entry under this key, then one is created, using the CacheFunction given when the cache was created.
    
    Specified by:
    
    get in interface Cache<K,V>
    
    Parameters:
    
    key - key of cache entry
    
    Returns:
    
    value, never null (but may be an Optional)
  - get
```
public com.google.common.collect.ImmutableMap<K,V> get(Iterable<? extends K> keys)
```
    Description copied from interface: Cache
    
    Get several cache entries, in one go.
    
    Specified by:
    
    get in interface Cache<K,V>
    
    Parameters:
    
    keys - list of keys of cache entries
    
    Returns:
    
    Map of cache keys and values (neither ever null, but may be an Optional)