/
ReactiveStreamsMongoDatabases.kt
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/
ReactiveStreamsMongoDatabases.kt
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/*
* Copyright (C) 2016/2022 Litote
*
* 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.litote.kmongo.reactor
import com.mongodb.ReadPreference
import com.mongodb.reactivestreams.client.MongoDatabase
import org.litote.kmongo.util.KMongoUtil
import org.litote.kmongo.util.KMongoUtil.defaultCollectionName
import reactor.core.publisher.Mono
import reactor.kotlin.core.publisher.toMono
/**
* Executes the given command in the context of the current database with the given read preference.
*
* @param command the command to be run
* @param readPreference the {@link com.mongodb.ReadPreference} to be used when executing the command
* @param <TResult> the type of the class to use instead of {@code Document}.
*/
inline fun <reified TResult : Any> MongoDatabase.runCommand(
command: String,
readPreference: ReadPreference
): Mono<TResult> {
return runCommand(KMongoUtil.toBson(command), readPreference, TResult::class.java).toMono()
}
/**
* Executes the given command in the context of the current database with the given read preference.
*
* @param command the command to be run
* @param <TResult> the type of the class to use instead of {@code Document}.
*/
inline fun <reified TResult : Any> MongoDatabase.runCommand(command: String): Mono<TResult> {
return runCommand(command, readPreference)
}
/**
* Drops this collection from the Database.
*
* @mongodb.driver.manual reference/command/drop/ Drop Collection
*/
inline fun <reified T : Any> MongoDatabase.dropCollection(): Mono<Void> = dropCollection(defaultCollectionName(T::class))
/**
* Drops this collection from the Database.
*
* @mongodb.driver.manual reference/command/drop/ Drop Collection
*/
fun MongoDatabase.dropCollection(collectionName: String): Mono<Void> = emptyResult { getCollection(collectionName).drop() }