KeyTransformingLoadingCache (Apache Brooklyn)

java.lang.Object
- com.google.common.cache.AbstractCache<K,V>
- - com.google.common.cache.AbstractLoadingCache<A,V>
  - - org.apache.brooklyn.util.guava.KeyTransformingLoadingCache<A,B,V>

All Implemented Interfaces:

com.google.common.base.Function<A,V>, com.google.common.cache.Cache<A,V>, com.google.common.cache.LoadingCache<A,V>

Direct Known Subclasses:

KeyTransformingLoadingCache.KeyTransformingSameTypeLoadingCache
```
public class KeyTransformingLoadingCache<A,B,V>
extends com.google.common.cache.AbstractLoadingCache<A,V>
```
A cache that transforms its keys before deferring to a delegate LoadingCache.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class KeyTransformingLoadingCache.KeyTransformingSameTypeLoadingCache<A,V>
- Nested classes/interfaces inherited from class com.google.common.cache.AbstractCache
  com.google.common.cache.AbstractCache.SimpleStatsCounter, com.google.common.cache.AbstractCache.StatsCounter

Nested Classes
Modifier and Type	Class and Description
`static class`	`KeyTransformingLoadingCache.KeyTransformingSameTypeLoadingCache<A,V>`

Constructor Summary

Constructors
Constructor and Description
`KeyTransformingLoadingCache(com.google.common.cache.LoadingCache<B,V> delegate, com.google.common.base.Function<A,B> keyTransformer)`

Method Summary

Methods
Modifier and Type	Method and Description
`java.util.concurrent.ConcurrentMap<A,V>`	`asMap()` Undefined because input values are not tracked.
`void`	`cleanUp()`
`static <A,B,V> KeyTransformingLoadingCache<A,B,V>`	`from(com.google.common.cache.LoadingCache<B,V> delegate, com.google.common.base.Function<A,B> keyTransformer)`
`V`	`get(A key)`
`V`	`get(A key, java.util.concurrent.Callable<? extends V> valueLoader)`
`com.google.common.collect.ImmutableMap<A,V>`	`getAllPresent(java.lang.Iterable<?> keys)` Undefined because we can't prohibit a surjective `keyTransformer()`.
`V`	`getIfPresent(java.lang.Object key)`
`void`	`invalidate(java.lang.Object key)`
`void`	`invalidateAll()`
`void`	`put(A key, V value)`
`void`	`refresh(A key)`
`long`	`size()`
`com.google.common.cache.CacheStats`	`stats()`

Methods inherited from class com.google.common.cache.AbstractLoadingCache
apply, getAll, getUnchecked

Methods inherited from class com.google.common.cache.AbstractCache
invalidateAll, putAll

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

Methods inherited from interface com.google.common.cache.Cache
invalidateAll, putAll

Methods inherited from interface com.google.common.base.Function
equals

- Constructor Detail
  - KeyTransformingLoadingCache
```
public KeyTransformingLoadingCache(com.google.common.cache.LoadingCache<B,V> delegate,
                           com.google.common.base.Function<A,B> keyTransformer)
```
- Method Detail
  - from
```
public static <A,B,V> KeyTransformingLoadingCache<A,B,V> from(com.google.common.cache.LoadingCache<B,V> delegate,
                                              com.google.common.base.Function<A,B> keyTransformer)
```
  - getIfPresent
```
public V getIfPresent(java.lang.Object key)
```
  - get
```
public V get(A key,
    java.util.concurrent.Callable<? extends V> valueLoader)
      throws java.util.concurrent.ExecutionException
```
    Specified by:
    
    get in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    get in class com.google.common.cache.AbstractCache<A,V>
    
    Throws:
    
    java.util.concurrent.ExecutionException
  - getAllPresent
```
public com.google.common.collect.ImmutableMap<A,V> getAllPresent(java.lang.Iterable<?> keys)
```
    Undefined because we can't prohibit a surjective keyTransformer().
    
    Specified by:
    
    getAllPresent in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    getAllPresent in class com.google.common.cache.AbstractCache<A,V>
    
    Throws:
    
    java.lang.UnsupportedOperationException
  - put
```
public void put(A key,
       V value)
```
    Specified by:
    
    put in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    put in class com.google.common.cache.AbstractCache<A,V>
  - invalidate
```
public void invalidate(java.lang.Object key)
```
    Specified by:
    
    invalidate in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    invalidate in class com.google.common.cache.AbstractCache<A,V>
  - invalidateAll
```
public void invalidateAll()
```
    Specified by:
    
    invalidateAll in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    invalidateAll in class com.google.common.cache.AbstractCache<A,V>
  - size
```
public long size()
```
    Specified by:
    
    size in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    size in class com.google.common.cache.AbstractCache<A,V>
  - stats
```
public com.google.common.cache.CacheStats stats()
```
    Specified by:
    
    stats in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    stats in class com.google.common.cache.AbstractCache<A,V>
  - get
```
public V get(A key)
      throws java.util.concurrent.ExecutionException
```
    Throws:
    
    java.util.concurrent.ExecutionException
  - refresh
```
public void refresh(A key)
```
    Specified by:
    
    refresh in interface com.google.common.cache.LoadingCache<A,V>
    
    Overrides:
    
    refresh in class com.google.common.cache.AbstractLoadingCache<A,V>
  - asMap
```
public java.util.concurrent.ConcurrentMap<A,V> asMap()
```
    Undefined because input values are not tracked.
    
    Specified by:
    
    asMap in interface com.google.common.cache.Cache<A,V>
    
    Specified by:
    
    asMap in interface com.google.common.cache.LoadingCache<A,V>
    
    Overrides:
    
    asMap in class com.google.common.cache.AbstractCache<A,V>
    
    Throws:
    
    java.lang.UnsupportedOperationException
  - cleanUp
```
public void cleanUp()
```
    Specified by:
    
    cleanUp in interface com.google.common.cache.Cache<A,V>
    
    Overrides:
    
    cleanUp in class com.google.common.cache.AbstractCache<A,V>

Class KeyTransformingLoadingCache<A,B,V>

Nested Class Summary

Nested classes/interfaces inherited from class com.google.common.cache.AbstractCache

Constructor Summary

Method Summary

Methods inherited from class com.google.common.cache.AbstractLoadingCache

Methods inherited from class com.google.common.cache.AbstractCache

Methods inherited from class java.lang.Object

Methods inherited from interface com.google.common.cache.Cache

Methods inherited from interface com.google.common.base.Function

Constructor Detail

KeyTransformingLoadingCache

Method Detail

from

getIfPresent

get

getAllPresent

put

invalidate

invalidateAll

size

stats

get

refresh

asMap

cleanUp