org.springframework.cache.jcache.interceptor

Class AbstractCacheInterceptor<O extends AbstractJCacheOperation<A>,A extends java.lang.annotation.Annotation>

java.lang.Object

org.springframework.cache.interceptor.AbstractCacheInvoker

org.springframework.cache.jcache.interceptor.AbstractCacheInterceptor<O,A>

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AbstractKeyCacheInterceptor, CacheRemoveAllInterceptor

abstract class AbstractCacheInterceptor<O extends AbstractJCacheOperation<A>,A extends java.lang.annotation.Annotation>
extends AbstractCacheInvoker
implements java.io.Serializable

A base interceptor for JSR-107 cache annotations.

Since:

4.1

Author:

Stephane Nicoll

Field Summary

Fields

Modifier and Type	Field and Description
protected Log	logger

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCacheInterceptor(CacheErrorHandler errorHandler)

Method Summary

Modifier and Type	Method and Description
(package private) static Cache	extractFrom(java.util.Collection<? extends Cache> caches) Convert the collection of caches in a single expected element.
protected abstract java.lang.Object	invoke(CacheOperationInvocationContext<O> context, CacheOperationInvoker invoker)
protected Cache	resolveCache(CacheOperationInvocationContext<O> context) Resolve the cache to use.

Methods inherited from class org.springframework.cache.interceptor.AbstractCacheInvoker

doClear, doEvict, doGet, doPut, getErrorHandler, setErrorHandler

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final Log logger

Constructor Detail

AbstractCacheInterceptor

protected AbstractCacheInterceptor(CacheErrorHandler errorHandler)

Method Detail

invoke

protected abstract java.lang.Object invoke(CacheOperationInvocationContext<O> context,
                                           CacheOperationInvoker invoker)
                                    throws java.lang.Throwable

Throws:

java.lang.Throwable

resolveCache

protected Cache resolveCache(CacheOperationInvocationContext<O> context)

Resolve the cache to use.

Parameters:

context - the invocation context

Returns:

the cache to use (never null)

extractFrom

static Cache extractFrom(java.util.Collection<? extends Cache> caches)

Convert the collection of caches in a single expected element.

Throw an IllegalStateException if the collection holds more than one element

Returns:

the singe element or null if the collection is empty