com.github.fge.jsonschema.processing

Class ProcessingCache<K,V>

java.lang.Object

com.github.fge.jsonschema.processing.ProcessingCache<K,V>

Type Parameters:

K - the type of (wrapped) keys for this cache

V - the type of values retrieved by this cache

Deprecated.

use CachingProcessor instead

@ThreadSafe
@Deprecated
public final class ProcessingCache<K,V>
extends Object

A processing result cache usable in Processors

This is a wrapper over Guava's LoadingCache to which you pass two arguments:

• an Equivalence on cache keys,
• a CacheLoader to load keys.

Note that the cache loader must throw a ProcessingException or any subclass.

You can of course use Guava's builtin equivalences if you don't wish (or need) to write your own:

• Equivalence.equals() for the classical equals/hashcode key comparison,
• Equivalence.identity() for a reference equality comparison (useful if you use enums or classes as keys, for instance).

Note that there is one major difference with Guava's caches: this cache does not accept null keys.

See Also:

LoadingCache, Equivalence, Equivalence.Wrapper

Constructor Summary

Constructors

Constructor and Description
ProcessingCache(Equivalence<K> equivalence, CacheLoader<Equivalence.Wrapper<K>,V> cacheLoader) Deprecated. Constructor

Method Summary

Methods

Modifier and Type	Method and Description
V	get(K key) Deprecated. Get an entry from the cache
V	getUnchecked(K key) Deprecated. Get an entry from the cache, "ignoring" exceptions
String	toString() Deprecated.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessingCache

public ProcessingCache(Equivalence<K> equivalence,
               CacheLoader<Equivalence.Wrapper<K>,V> cacheLoader)

Deprecated.

Constructor

Parameters:

equivalence - the equivalence

cacheLoader - the cache loader function

Throws:

ProcessorBuildError - either the equivalence or the cache loader is null

Method Detail

get

public V get(K key)
      throws ProcessingException

Deprecated.

Get an entry from the cache

Parameters:

key - the key

Returns:

the value

Throws:

ProcessingException - error when computing the value

ProcessingError - key is null

getUnchecked

public V getUnchecked(K key)

Deprecated.

Get an entry from the cache, "ignoring" exceptions

Exceptions are not really ignored per se. You can use this method instead of get(Object) if you are sure that no exceptions can be thrown.

If an exception is thrown nevertheless, it will be an unchecked exception.

Parameters:

key - the key

Returns:

the matching value

Throws:

ProcessingError - key is null

toString

public String toString()

Deprecated.

Overrides:

toString in class Object