001/*
002 * Copyright 2012-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.autoconfigure.cache;
018
019import java.time.Duration;
020import java.util.List;
021
022import com.couchbase.client.java.Bucket;
023import com.couchbase.client.spring.cache.CacheBuilder;
024import com.couchbase.client.spring.cache.CouchbaseCacheManager;
025
026import org.springframework.boot.autoconfigure.cache.CacheProperties.Couchbase;
027import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
028import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
029import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
030import org.springframework.boot.context.properties.PropertyMapper;
031import org.springframework.cache.CacheManager;
032import org.springframework.context.annotation.Bean;
033import org.springframework.context.annotation.Conditional;
034import org.springframework.context.annotation.Configuration;
035import org.springframework.util.StringUtils;
036
037/**
038 * Couchbase cache configuration.
039 *
040 * @author Stephane Nicoll
041 * @since 1.4.0
042 */
043@Configuration
044@ConditionalOnClass({ Bucket.class, CouchbaseCacheManager.class })
045@ConditionalOnMissingBean(CacheManager.class)
046@ConditionalOnSingleCandidate(Bucket.class)
047@Conditional(CacheCondition.class)
048public class CouchbaseCacheConfiguration {
049
050        private final CacheProperties cacheProperties;
051
052        private final CacheManagerCustomizers customizers;
053
054        private final Bucket bucket;
055
056        public CouchbaseCacheConfiguration(CacheProperties cacheProperties,
057                        CacheManagerCustomizers customizers, Bucket bucket) {
058                this.cacheProperties = cacheProperties;
059                this.customizers = customizers;
060                this.bucket = bucket;
061        }
062
063        @Bean
064        public CouchbaseCacheManager cacheManager() {
065                List<String> cacheNames = this.cacheProperties.getCacheNames();
066                CacheBuilder builder = CacheBuilder.newInstance(this.bucket);
067                Couchbase couchbase = this.cacheProperties.getCouchbase();
068                PropertyMapper.get().from(couchbase::getExpiration).whenNonNull()
069                                .asInt(Duration::getSeconds).to(builder::withExpiration);
070                String[] names = StringUtils.toStringArray(cacheNames);
071                CouchbaseCacheManager cacheManager = new CouchbaseCacheManager(builder, names);
072                return this.customizers.customize(cacheManager);
073        }
074
075}