import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheKeyGenerator getCacheKeyGenerator(MethodInvocation methodInvocation,
                                                 Class<? extends CacheKeyGenerator> methodCacheKeyGeneratorClass) {

  try {

    if (!methodCacheKeyGeneratorClass.equals(CacheKeyGenerator.class)) {
      // The annotation will return the CacheKeyGenerator class by default
      return methodCacheKeyGeneratorClass.newInstance();
    }

    Class clazz = GuiceCacheKeyInvocationContext.getThisClass(methodInvocation);
    if (clazz.isAnnotationPresent(CacheDefaults.class)) {
      Class<? extends CacheKeyGenerator> cacheKeyGeneratorClass = ((CacheDefaults)clazz.getAnnotation(CacheDefaults.class)).cacheKeyGenerator();
      if (!cacheKeyGeneratorClass.equals(CacheKeyGenerator.class)) {
        // The annotation will return the CacheKeyGenerator class by default
        return cacheKeyGeneratorClass.newInstance();
      }
    }

    return defaultCacheKeyGeneratorProvider.get();

  } catch (Exception e) {
    throw new AnnotationFormatError("Invalid cache key generator class " + methodCacheKeyGeneratorClass.getName());
  }

}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheResultOperation createCacheResultOperation(Method method, CacheDefaults defaults, CacheResult ann) {
	String cacheName = determineCacheName(method, defaults, ann.cacheName());
	CacheResolverFactory cacheResolverFactory =
			determineCacheResolverFactory(defaults, ann.cacheResolverFactory());
	KeyGenerator keyGenerator = determineKeyGenerator(defaults, ann.cacheKeyGenerator());

	CacheMethodDetails<CacheResult> methodDetails = createMethodDetails(method, ann, cacheName);

	CacheResolver cacheResolver = getCacheResolver(cacheResolverFactory, methodDetails);
	CacheResolver exceptionCacheResolver = null;
	final String exceptionCacheName = ann.exceptionCacheName();
	if (StringUtils.hasText(exceptionCacheName)) {
		exceptionCacheResolver = getExceptionCacheResolver(cacheResolverFactory, methodDetails);
	}

	return new CacheResultOperation(methodDetails, cacheResolver, keyGenerator, exceptionCacheResolver);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
@Override
protected JCacheOperation<?> findCacheOperation(Method method, Class<?> targetType) {
	CacheResult cacheResult = method.getAnnotation(CacheResult.class);
	CachePut cachePut = method.getAnnotation(CachePut.class);
	CacheRemove cacheRemove = method.getAnnotation(CacheRemove.class);
	CacheRemoveAll cacheRemoveAll = method.getAnnotation(CacheRemoveAll.class);

	int found = countNonNull(cacheResult, cachePut, cacheRemove, cacheRemoveAll);
	if (found == 0) {
		return null;
	}
	if (found > 1) {
		throw new IllegalStateException("More than one cache annotation found on '" + method + "'");
	}

	CacheDefaults defaults = getCacheDefaults(method, targetType);
	if (cacheResult != null) {
		return createCacheResultOperation(method, defaults, cacheResult);
	}
	else if (cachePut != null) {
		return createCachePutOperation(method, defaults, cachePut);
	}
	else if (cacheRemove != null) {
		return createCacheRemoveOperation(method, defaults, cacheRemove);
	}
	else {
		return createCacheRemoveAllOperation(method, defaults, cacheRemoveAll);
	}
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheDefaults getCacheDefaults(Method method, Class<?> targetType) {
	CacheDefaults annotation = method.getDeclaringClass().getAnnotation(CacheDefaults.class);
	if (annotation != null) {
		return annotation;
	}
	return targetType.getAnnotation(CacheDefaults.class);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CachePutOperation createCachePutOperation(Method method, CacheDefaults defaults, CachePut ann) {
	String cacheName = determineCacheName(method, defaults, ann.cacheName());
	CacheResolverFactory cacheResolverFactory =
			determineCacheResolverFactory(defaults, ann.cacheResolverFactory());
	KeyGenerator keyGenerator = determineKeyGenerator(defaults, ann.cacheKeyGenerator());

	CacheMethodDetails<CachePut> methodDetails = createMethodDetails(method, ann, cacheName);
	CacheResolver cacheResolver = getCacheResolver(cacheResolverFactory, methodDetails);
	return new CachePutOperation(methodDetails, cacheResolver, keyGenerator);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheRemoveOperation createCacheRemoveOperation(Method method, CacheDefaults defaults, CacheRemove ann) {
	String cacheName = determineCacheName(method, defaults, ann.cacheName());
	CacheResolverFactory cacheResolverFactory =
			determineCacheResolverFactory(defaults, ann.cacheResolverFactory());
	KeyGenerator keyGenerator = determineKeyGenerator(defaults, ann.cacheKeyGenerator());

	CacheMethodDetails<CacheRemove> methodDetails = createMethodDetails(method, ann, cacheName);
	CacheResolver cacheResolver = getCacheResolver(cacheResolverFactory, methodDetails);
	return new CacheRemoveOperation(methodDetails, cacheResolver, keyGenerator);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheRemoveAllOperation createCacheRemoveAllOperation(Method method, CacheDefaults defaults, CacheRemoveAll ann) {
	String cacheName = determineCacheName(method, defaults, ann.cacheName());
	CacheResolverFactory cacheResolverFactory =
			determineCacheResolverFactory(defaults, ann.cacheResolverFactory());

	CacheMethodDetails<CacheRemoveAll> methodDetails = createMethodDetails(method, ann, cacheName);
	CacheResolver cacheResolver = getCacheResolver(cacheResolverFactory, methodDetails);
	return new CacheRemoveAllOperation(methodDetails, cacheResolver);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected CacheResolverFactory determineCacheResolverFactory(CacheDefaults defaults,
		Class<? extends CacheResolverFactory> candidate) {

	if (CacheResolverFactory.class != candidate) {
		return getBean(candidate);
	}
	else if (defaults != null && CacheResolverFactory.class != defaults.cacheResolverFactory()) {
		return getBean(defaults.cacheResolverFactory());
	}
	else {
		return null;
	}
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected KeyGenerator determineKeyGenerator(CacheDefaults defaults, Class<? extends CacheKeyGenerator> candidate) {
	if (CacheKeyGenerator.class != candidate) {
		return new KeyGeneratorAdapter(this, getBean(candidate));
	}
	else if (defaults != null && CacheKeyGenerator.class != defaults.cacheKeyGenerator()) {
		return new KeyGeneratorAdapter(this, getBean(defaults.cacheKeyGenerator()));
	}
	else {
		return getDefaultKeyGenerator();
	}
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
protected String determineCacheName(Method method, CacheDefaults defaults, String candidate) {
	if (StringUtils.hasText(candidate)) {
		return candidate;
	}
	if (defaults != null && StringUtils.hasText(defaults.cacheName())) {
		return defaults.cacheName();
	}
	return generateDefaultCacheName(method);
}
 

import javax.cache.annotation.CacheDefaults; //导入依赖的package包/类
@Test
public void defaultCacheNameWithDefaults() {
	Method method = ReflectionUtils.findMethod(Object.class, "toString");
	CacheDefaults mock = mock(CacheDefaults.class);
	given(mock.cacheName()).willReturn("");
	assertEquals("java.lang.Object.toString()", source.determineCacheName(method, mock, ""));
}