javax.cache.annotation.impl.AbstractKeyedCacheInterceptor Maven / Gradle / Ivy
/**
* Copyright 2011 Terracotta, Inc.
* Copyright 2011 Oracle America Incorporated
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package javax.cache.annotation.impl;
import java.lang.annotation.Annotation;
/**
* Base class for all interceptor implementations, contains utility methods
*
* @author Eric Dalquist
* @param The intercepted method invocation
* @param The type of static invocation context data expected
* @since 1.0
*/
public abstract class AbstractKeyedCacheInterceptor> extends AbstractCacheInterceptor {
/**
* Get, check the {@link InterceptorType} and cast the {@link CacheMethodDetailsImpl} for the invocation.
*
* @param cacheInvocationContext The invocation context to get the {@link CacheMethodDetailsImpl} from.
* @param interceptorType The current interceptor type, used for validation.
* @return The casted {@link CacheMethodDetailsImpl} object.
*/
@SuppressWarnings("unchecked")
protected T getStaticCacheKeyInvocationContext(
final InternalCacheKeyInvocationContext cacheInvocationContext, final InterceptorType interceptorType) {
final StaticCacheKeyInvocationContext staticCacheKeyInvocationContext =
cacheInvocationContext.getStaticCacheKeyInvocationContext();
if (staticCacheKeyInvocationContext.getInterceptorType() != interceptorType) {
throw new IllegalStateException("AroundInvoke method for " + interceptorType + " called but MethodDetails.InterceptorType is " +
staticCacheKeyInvocationContext.getInterceptorType());
}
return (T)staticCacheKeyInvocationContext;
}
}