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.couchbase;
018
019import com.couchbase.client.java.Cluster;
020import com.couchbase.client.java.CouchbaseBucket;
021
022import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
023import org.springframework.boot.autoconfigure.condition.AnyNestedCondition;
024import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
025import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
026import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
027import org.springframework.boot.context.properties.EnableConfigurationProperties;
028import org.springframework.context.annotation.Conditional;
029import org.springframework.context.annotation.Configuration;
030import org.springframework.context.annotation.Import;
031
032/**
033 * {@link EnableAutoConfiguration Auto-configuration} for Couchbase.
034 *
035 * @author Eddú Meléndez
036 * @author Stephane Nicoll
037 * @author Yulin Qin
038 * @since 1.4.0
039 */
040@Configuration
041@ConditionalOnClass({ CouchbaseBucket.class, Cluster.class })
042@Conditional(CouchbaseAutoConfiguration.CouchbaseCondition.class)
043@EnableConfigurationProperties(CouchbaseProperties.class)
044public class CouchbaseAutoConfiguration {
045
046        @Configuration
047        @ConditionalOnMissingBean(value = CouchbaseConfiguration.class, type = "org.springframework.data.couchbase.config.CouchbaseConfigurer")
048        @Import(CouchbaseConfiguration.class)
049        static class DefaultCouchbaseConfiguration {
050
051        }
052
053        /**
054         * Determine if Couchbase should be configured. This happens if either the
055         * user-configuration defines a {@code CouchbaseConfigurer} or if at least the
056         * "bootstrapHosts" property is specified.
057         * <p>
058         * The reason why we check for the presence of {@code CouchbaseConfigurer} is that it
059         * might use {@link CouchbaseProperties} for its internal customization.
060         */
061        static class CouchbaseCondition extends AnyNestedCondition {
062
063                CouchbaseCondition() {
064                        super(ConfigurationPhase.REGISTER_BEAN);
065                }
066
067                @Conditional(OnBootstrapHostsCondition.class)
068                static class BootstrapHostsProperty {
069
070                }
071
072                @ConditionalOnBean(type = "org.springframework.data.couchbase.config.CouchbaseConfigurer")
073                static class CouchbaseConfigurerAvailable {
074
075                }
076
077        }
078
079}