/*
* Copyright 2016 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
*
* 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 org.springframework.data.mongodb.core;
import org.bson.Document;
import org.springframework.data.mongodb.core.index.IndexDefinition;
import org.springframework.data.mongodb.core.index.IndexInfo;
import org.springframework.util.Assert;
import com.mongodb.reactivestreams.client.ListIndexesPublisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
/**
* Default implementation of {@link IndexOperations}.
*
* @author Mark Paluch
* @since 1.11
*/
public class DefaultReactiveIndexOperations implements ReactiveIndexOperations {
private final ReactiveMongoOperations mongoOperations;
private final String collectionName;
/**
* Creates a new {@link DefaultReactiveIndexOperations}.
*
* @param mongoOperations must not be {@literal null}.
* @param collectionName must not be {@literal null}.
*/
public DefaultReactiveIndexOperations(ReactiveMongoOperations mongoOperations, String collectionName) {
Assert.notNull(mongoOperations, "ReactiveMongoOperations must not be null!");
Assert.notNull(collectionName, "Collection must not be null!");
this.mongoOperations = mongoOperations;
this.collectionName = collectionName;
}
/* (non-Javadoc)
* @see org.springframework.data.mongodb.core.ReactiveIndexOperations#ensureIndex(org.springframework.data.mongodb.core.index.IndexDefinition)
*/
public Mono<String> ensureIndex(final IndexDefinition indexDefinition) {
return mongoOperations.execute(collectionName, (ReactiveCollectionCallback<String>) collection -> {
Document indexOptions = indexDefinition.getIndexOptions();
if (indexOptions != null) {
return collection.createIndex(indexDefinition.getIndexKeys(),
IndexConverters.indexDefinitionToIndexOptionsConverter().convert(indexDefinition));
}
return collection.createIndex(indexDefinition.getIndexKeys());
}).next();
}
/* (non-Javadoc)
* @see org.springframework.data.mongodb.core.ReactiveIndexOperations#dropIndex(java.lang.String)
*/
public Mono<Void> dropIndex(final String name) {
return mongoOperations.execute(collectionName, collection -> {
return Mono.from(collection.dropIndex(name));
}).flatMap(success -> Mono.<Void>empty()).next();
}
/* (non-Javadoc)
* @see org.springframework.data.mongodb.core.ReactiveIndexOperations#dropAllIndexes()
*/
public Mono<Void> dropAllIndexes() {
return dropIndex("*");
}
/* (non-Javadoc)
* @see org.springframework.data.mongodb.core.ReactiveIndexOperations#getIndexInfo()
*/
public Flux<IndexInfo> getIndexInfo() {
return mongoOperations.execute(collectionName, collection -> {
ListIndexesPublisher<Document> indexesPublisher = collection.listIndexes(Document.class);
return Flux.from(indexesPublisher).map(IndexConverters.documentToIndexInfoConverter()::convert);
});
}
}