org.springframework.cache.jcache.interceptor.CachePutInterceptor.java Source code

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/*
 * Copyright 2002-2018 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.cache.jcache.interceptor;

import javax.cache.annotation.CacheKeyInvocationContext;
import javax.cache.annotation.CachePut;

import org.springframework.cache.Cache;
import org.springframework.cache.interceptor.CacheErrorHandler;
import org.springframework.cache.interceptor.CacheOperationInvocationContext;
import org.springframework.cache.interceptor.CacheOperationInvoker;

/**
 * Intercept methods annotated with {@link CachePut}.
 *
 * @author Stephane Nicoll
 * @since 4.1
 */
@SuppressWarnings("serial")
class CachePutInterceptor extends AbstractKeyCacheInterceptor<CachePutOperation, CachePut> {

    public CachePutInterceptor(CacheErrorHandler errorHandler) {
        super(errorHandler);
    }

    @Override
    protected Object invoke(CacheOperationInvocationContext<CachePutOperation> context,
            CacheOperationInvoker invoker) {

        CachePutOperation operation = context.getOperation();
        CacheKeyInvocationContext<CachePut> invocationContext = createCacheKeyInvocationContext(context);

        boolean earlyPut = operation.isEarlyPut();
        Object value = invocationContext.getValueParameter().getValue();
        if (earlyPut) {
            cacheValue(context, value);
        }

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

    protected void cacheValue(CacheOperationInvocationContext<CachePutOperation> context, Object value) {
        Object key = generateKey(context);
        Cache cache = resolveCache(context);
        doPut(cache, key, value);
    }

}