java.lang.Object
- org.apache.hc.client5.http.cache.HttpAsyncCacheStorageAdaptor

All Implemented Interfaces:

HttpAsyncCacheStorage
```
@Contract(threading=SAFE_CONDITIONAL)
public final class HttpAsyncCacheStorageAdaptor
extends java.lang.Object
implements HttpAsyncCacheStorage
```
HttpAsyncCacheStorage implementation that emulates asynchronous behavior using an instance of classic HttpCacheStorage.

Since:

5.0

Field Summary

Fields
Modifier and Type Field Description

private HttpCacheStorage cacheStorage

Constructor Summary

Constructors
Constructor Description

HttpAsyncCacheStorageAdaptor(HttpCacheStorage cacheStorage)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.apache.hc.core5.concurrent.Cancellable`	`getEntries(java.util.Collection<java.lang.String> keys, org.apache.hc.core5.concurrent.FutureCallback<java.util.Map<java.lang.String,HttpCacheEntry>> callback)`	Retrieves multiple cache entries stored under the given keys.
`org.apache.hc.core5.concurrent.Cancellable`	`getEntry(java.lang.String key, org.apache.hc.core5.concurrent.FutureCallback<HttpCacheEntry> callback)`	Retrieves the cache entry stored under the given key or null if no entry exists under that key.
`org.apache.hc.core5.concurrent.Cancellable`	`putEntry(java.lang.String key, HttpCacheEntry entry, org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)`	Store a given cache entry under the given key.
`org.apache.hc.core5.concurrent.Cancellable`	`removeEntry(java.lang.String key, org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)`	Deletes/invalidates/removes any cache entries currently stored under the given key.
`org.apache.hc.core5.concurrent.Cancellable`	`updateEntry(java.lang.String key, HttpCacheCASOperation casOperation, org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)`	Atomically applies the given callback to processChallenge an existing cache entry under a given key.

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

Field Detail

cacheStorage

private final HttpCacheStorage cacheStorage

Constructor Detail

HttpAsyncCacheStorageAdaptor

public HttpAsyncCacheStorageAdaptor(HttpCacheStorage cacheStorage)

Method Detail

putEntry

public org.apache.hc.core5.concurrent.Cancellable putEntry(java.lang.String key,
                                                           HttpCacheEntry entry,
                                                           org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)

Description copied from interface: HttpAsyncCacheStorage

Store a given cache entry under the given key.

Specified by:: putEntry in interface HttpAsyncCacheStorage
Parameters:: key - where in the cache to store the entry; entry - cached response to store; callback - result callback

getEntry
```
public org.apache.hc.core5.concurrent.Cancellable getEntry(java.lang.String key,
                                                           org.apache.hc.core5.concurrent.FutureCallback<HttpCacheEntry> callback)
```
Description copied from interface: HttpAsyncCacheStorage

Retrieves the cache entry stored under the given key or null if no entry exists under that key.

Specified by:

getEntry in interface HttpAsyncCacheStorage

Parameters:

key - cache key

callback - result callback

Returns:

an HttpCacheEntry or null if no entry exists

removeEntry
```
public org.apache.hc.core5.concurrent.Cancellable removeEntry(java.lang.String key,
                                                              org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)
```
Description copied from interface: HttpAsyncCacheStorage

Deletes/invalidates/removes any cache entries currently stored under the given key.

Specified by:

removeEntry in interface HttpAsyncCacheStorage

callback - result callback

updateEntry

public org.apache.hc.core5.concurrent.Cancellable updateEntry(java.lang.String key,
                                                              HttpCacheCASOperation casOperation,
                                                              org.apache.hc.core5.concurrent.FutureCallback<java.lang.Boolean> callback)

Description copied from interface: HttpAsyncCacheStorage

Atomically applies the given callback to processChallenge an existing cache entry under a given key.

Specified by:: updateEntry in interface HttpAsyncCacheStorage
Parameters:: key - indicates which entry to modify; casOperation - the CAS operation to perform.; callback - result callback

getEntries
```
public org.apache.hc.core5.concurrent.Cancellable getEntries(java.util.Collection<java.lang.String> keys,
                                                             org.apache.hc.core5.concurrent.FutureCallback<java.util.Map<java.lang.String,HttpCacheEntry>> callback)
```
Description copied from interface: HttpAsyncCacheStorage

Retrieves multiple cache entries stored under the given keys. Some implementations may use a single bulk operation to do the retrieval.

Specified by:

getEntries in interface HttpAsyncCacheStorage

Parameters:

keys - cache keys

callback - result callback

Class HttpAsyncCacheStorageAdaptor

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object