Java CacheOperationInvocationContext类代码示例

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private Object execute(CacheOperationInvocationContext<?> context, CacheOperationInvoker invoker) {
	CacheOperationInvoker adapter = new CacheOperationInvokerAdapter(invoker);
	BasicOperation operation = context.getOperation();

	if (operation instanceof CacheResultOperation) {
		return cacheResultInterceptor.invoke(
				(CacheOperationInvocationContext<CacheResultOperation>) context, adapter);
	}
	else if (operation instanceof CachePutOperation) {
		return cachePutInterceptor.invoke(
				(CacheOperationInvocationContext<CachePutOperation>) context, adapter);
	}
	else if (operation instanceof CacheRemoveOperation) {
		return cacheRemoveEntryInterceptor.invoke(
				(CacheOperationInvocationContext<CacheRemoveOperation>) context, adapter);
	}
	else if (operation instanceof CacheRemoveAllOperation) {
		return cacheRemoveAllInterceptor.invoke(
				(CacheOperationInvocationContext<CacheRemoveAllOperation>) context, adapter);
	}
	else {
		throw new IllegalArgumentException("Could not handle " + operation);
	}
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
protected Object invoke(CacheOperationInvocationContext<CacheRemoveOperation> context,
		CacheOperationInvoker invoker) {
	CacheRemoveOperation operation = context.getOperation();

	final boolean earlyRemove = operation.isEarlyRemove();

	if (earlyRemove) {
		removeValue(context);
	}

	try {
		Object result = invoker.invoke();
		if (!earlyRemove) {
			removeValue(context);
		}
		return result;
	}
	catch (CacheOperationInvoker.ThrowableWrapper t) {
		Throwable ex = t.getOriginal();
		if (!earlyRemove && operation.getExceptionTypeFilter().match(ex.getClass())) {
			removeValue(context);
		}
		throw t;
	}
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
private <T extends Annotation> T getAnnotation(CacheOperationInvocationContext<?> context, Class<T> clazz) {
    try {
        // due to some cache proxy behaviour we can get method of superinterface instead of annotated method from target class
        // but sometime annotation has been appear on interface therefore we need check both cases
        Method proxiedMethod = context.getMethod();
        Class<?> targetClazz = context.getTarget().getClass();
        T annotation = null;
        if(!targetClazz.equals(proxiedMethod.getDeclaringClass())) {
            Method origMethod = targetClazz.getMethod(proxiedMethod.getName(), proxiedMethod.getParameterTypes());
            annotation = origMethod.getAnnotation(clazz);
        }
        if(annotation == null) {
            annotation = proxiedMethod.getAnnotation(clazz);
        }
        return annotation;
    } catch (NoSuchMethodException e) {
        throw Throwables.asRuntime(e);
    }
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
protected Collection<String> getCacheNames(CacheOperationInvocationContext<?> context) {
	String cacheName = (String) context.getArgs()[0];
	if (cacheName != null) {
		return Collections.singleton(cacheName);
	}
	return null;
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
/**
 * Resolve the cache to use.
 * @param context the invocation context
 * @return the cache to use (never null)
 */
protected Cache resolveCache(CacheOperationInvocationContext<O> context) {
	Collection<? extends Cache> caches = context.getOperation().getCacheResolver().resolveCaches(context);
	Cache cache = extractFrom(caches);
	if (cache == null) {
		throw new IllegalStateException("Cache could not have been resolved for " + context.getOperation());
	}
	return cache;
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private CacheOperationInvocationContext<?> createCacheOperationInvocationContext(
		Object target, Object[] args, JCacheOperation<?> operation) {

	return new DefaultCacheInvocationContext<Annotation>(
			(JCacheOperation<Annotation>) operation, target, args);
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
protected Object invoke(CacheOperationInvocationContext<CacheResultOperation> context,
		CacheOperationInvoker invoker) {

	CacheResultOperation operation = context.getOperation();
	Object cacheKey = generateKey(context);

	Cache cache = resolveCache(context);
	Cache exceptionCache = resolveExceptionCache(context);

	if (!operation.isAlwaysInvoked()) {
		Cache.ValueWrapper cachedValue = doGet(cache, cacheKey);
		if (cachedValue != null) {
			return cachedValue.get();
		}
		checkForCachedException(exceptionCache, cacheKey);
	}

	try {
		Object invocationResult = invoker.invoke();
		cache.put(cacheKey, invocationResult);
		return invocationResult;
	}
	catch (CacheOperationInvoker.ThrowableWrapper ex) {
		Throwable original = ex.getOriginal();
		cacheException(exceptionCache, operation.getExceptionTypeFilter(), cacheKey, original);
		throw ex;
	}
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
private Cache resolveExceptionCache(CacheOperationInvocationContext<CacheResultOperation> context) {
	CacheResolver exceptionCacheResolver = context.getOperation().getExceptionCacheResolver();
	if (exceptionCacheResolver != null) {
		return extractFrom(context.getOperation().getExceptionCacheResolver().resolveCaches(context));
	}
	return null;
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
private void removeValue(CacheOperationInvocationContext<CacheRemoveOperation> context) {
	Object key = generateKey(context);
	Cache cache = resolveCache(context);
	if (logger.isTraceEnabled()) {
		logger.trace("Invalidating key [" + key + "] on cache '" + cache.getName()
				+ "' for operation " + context.getOperation());
	}
	doEvict(cache, key);
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
protected Collection<String> getCacheNames(CacheOperationInvocationContext<?> context) {
	BasicOperation operation = context.getOperation();
	if (!(operation instanceof CacheResultOperation)) {
		throw new IllegalStateException("Could not extract exception cache name from " + operation);
	}
	CacheResultOperation cacheResultOperation = (CacheResultOperation) operation;
	String exceptionCacheName = cacheResultOperation.getExceptionCacheName();
	if (exceptionCacheName != null) {
		return Collections.singleton(exceptionCacheName);
	}
	return null;
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
/**
 * Generate a key for the specified invocation.
 * @param context the context of the invocation
 * @return the key to use
 */
protected Object generateKey(CacheOperationInvocationContext<O> context) {
	KeyGenerator keyGenerator = context.getOperation().getKeyGenerator();
	Object key = keyGenerator.generate(context.getTarget(), context.getMethod(), context.getArgs());
	if (logger.isTraceEnabled()) {
		logger.trace("Computed cache key " + key + " for operation " + context.getOperation());
	}
	return key;
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
public Collection<? extends Cache> resolveCaches(CacheOperationInvocationContext<?> context) {
	if (this.cacheResolver == null) {
		this.cacheResolver = new SimpleExceptionCacheResolver(getDefaultCacheManager());
	}
	return this.cacheResolver.resolveCaches(context);
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
protected Object invoke(CacheOperationInvocationContext<CacheRemoveAllOperation> context,
		CacheOperationInvoker invoker) {

	CacheRemoveAllOperation operation = context.getOperation();

	boolean earlyRemove = operation.isEarlyRemove();

	if (earlyRemove) {
		removeAll(context);
	}

	try {
		Object result = invoker.invoke();
		if (!earlyRemove) {
			removeAll(context);
		}
		return result;
	}
	catch (CacheOperationInvoker.ThrowableWrapper ex) {
		Throwable original = ex.getOriginal();
		if (!earlyRemove && operation.getExceptionTypeFilter().match(original.getClass())) {
			removeAll(context);
		}
		throw ex;
	}
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
protected void removeAll(CacheOperationInvocationContext<CacheRemoveAllOperation> context) {
	Cache cache = resolveCache(context);
	if (logger.isTraceEnabled()) {
		logger.trace("Invalidating entire cache '" + cache.getName() + "' for operation "
				+ context.getOperation());
	}
	doClear(cache);
}
 

import org.springframework.cache.interceptor.CacheOperationInvocationContext; //导入依赖的package包/类
@Override
public Collection<? extends Cache> resolveCaches(CacheOperationInvocationContext<?> context) {
	if (!(context instanceof CacheInvocationContext<?>)) {
		throw new IllegalStateException("Unexpected context " + context);
	}
	CacheInvocationContext<?> cacheInvocationContext = (CacheInvocationContext<?>) context;
	javax.cache.Cache<Object, Object> cache = target.resolveCache(cacheInvocationContext);
	Assert.notNull(cache, "Cannot resolve cache for '" + context + "' using '" + target + "'");
	return Collections.singleton(new JCacheCache(cache));
}