org.springframework.cache.jcache.interceptor

Class KeyGeneratorAdapter

java.lang.Object

org.springframework.cache.jcache.interceptor.KeyGeneratorAdapter

All Implemented Interfaces:

KeyGenerator

class KeyGeneratorAdapter
extends java.lang.Object
implements KeyGenerator

Spring's KeyGenerator implementation that either delegates to a standard JSR-107 javax.cache.annotation.CacheKeyGenerator, or wrap a standard KeyGenerator so that only relevant parameters are handled.

Since:

4.1

Author:

Stephane Nicoll

Field Summary

Fields

Modifier and Type	Field and Description
private CacheKeyGenerator	cacheKeyGenerator
private JCacheOperationSource	cacheOperationSource
private KeyGenerator	keyGenerator

Constructor Summary

Constructors

Constructor and Description
KeyGeneratorAdapter(JCacheOperationSource cacheOperationSource, CacheKeyGenerator target) Create an instance used to wrap the specified javax.cache.annotation.CacheKeyGenerator.
KeyGeneratorAdapter(JCacheOperationSource cacheOperationSource, KeyGenerator target) Create an instance with the given KeyGenerator so that javax.cache.annotation.CacheKey and javax.cache.annotation.CacheValue are handled according to the spec.

Method Summary

Modifier and Type	Method and Description
private <any>	createCacheKeyInvocationContext(java.lang.Object target, JCacheOperation<?> operation, java.lang.Object[] params)
private static java.lang.Object	doGenerate(KeyGenerator keyGenerator, <any> context)
java.lang.Object	generate(java.lang.Object target, java.lang.reflect.Method method, java.lang.Object... params) Generate a key for the given method and its parameters.
java.lang.Object	getTarget() Return the target key generator to use in the form of either a KeyGenerator or a CacheKeyGenerator.

Methods inherited from class java.lang.Object

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

Field Detail

cacheOperationSource

private final JCacheOperationSource cacheOperationSource

keyGenerator

private KeyGenerator keyGenerator

cacheKeyGenerator

private CacheKeyGenerator cacheKeyGenerator

Constructor Detail

KeyGeneratorAdapter

public KeyGeneratorAdapter(JCacheOperationSource cacheOperationSource,
                           KeyGenerator target)

Create an instance with the given KeyGenerator so that javax.cache.annotation.CacheKey and javax.cache.annotation.CacheValue are handled according to the spec.

KeyGeneratorAdapter

public KeyGeneratorAdapter(JCacheOperationSource cacheOperationSource,
                           CacheKeyGenerator target)

Create an instance used to wrap the specified javax.cache.annotation.CacheKeyGenerator.

Method Detail

getTarget

public java.lang.Object getTarget()

Return the target key generator to use in the form of either a KeyGenerator or a CacheKeyGenerator.

generate

public java.lang.Object generate(java.lang.Object target,
                                 java.lang.reflect.Method method,
                                 java.lang.Object... params)

Description copied from interface: KeyGenerator

Generate a key for the given method and its parameters.

Specified by:

generate in interface KeyGenerator

Parameters:

target - the target instance

method - the method being called

params - the method parameters (with any var-args expanded)

Returns:

a generated key

doGenerate

private static java.lang.Object doGenerate(KeyGenerator keyGenerator,
                                           <any> context)

createCacheKeyInvocationContext

private <any> createCacheKeyInvocationContext(java.lang.Object target,
                                              JCacheOperation<?> operation,
                                              java.lang.Object[] params)