org.springframework.data.cassandra.core.cql.ReactiveCqlOperationsExtensions.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-cassandra Show documentation
Show all versions of spring-data-cassandra Show documentation
Cassandra support for Spring Data
/*
* Copyright 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
*
* 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.cassandra.core.cql
import com.datastax.driver.core.Row
import com.datastax.driver.core.Statement
import org.reactivestreams.Publisher
import org.springframework.data.cassandra.ReactiveResultSet
import reactor.core.publisher.Flux
import reactor.core.publisher.Mono
import kotlin.reflect.KClass
/**
* Extensions for [ReactiveCqlOperations].
*
* @author Mark Paluch
* @since 2.1
*/
/**
* Extension for [ReactiveCqlOperations.queryForObject] providing a [KClass] based variant.
*/
fun ReactiveCqlOperations.queryForObject(cql: String, entityClass: KClass): Mono =
queryForObject(cql, entityClass.java)
/**
* Extension for [ReactiveCqlOperations.queryForObject] leveraging reified type parameters.
*/
inline fun ReactiveCqlOperations.queryForObject(cql: String): Mono =
queryForObject(cql, T::class.java)
/**
* Extension for [ReactiveCqlOperations.queryForObject] providing a [KClass] based variant.
*/
fun ReactiveCqlOperations.queryForObject(cql: String, entityClass: KClass, vararg args: Any): Mono =
queryForObject(cql, entityClass.java, args)
/**
* Extension for [ReactiveCqlOperations.queryForObject] leveraging reified type parameters.
*/
inline fun ReactiveCqlOperations.queryForObject(cql: String, vararg args: Any): Mono =
queryForObject(cql, T::class.java, args)
/**
* Extension for [ReactiveCqlOperations.queryForObject] leveraging reified type parameters.
*/
fun ReactiveCqlOperations.queryForObject(cql: String, vararg args: Any, function: (Row, Int) -> T): Mono =
queryForObject(cql, function, args)
/**
* Extension for [ReactiveCqlOperations.queryForObject] providing a [KClass] based variant.
*/
fun ReactiveCqlOperations.queryForObject(statement: Statement, entityClass: KClass): Mono =
queryForObject(statement, entityClass.java)
/**
* Extension for [ReactiveCqlOperations.queryForObject] leveraging reified type parameters.
*/
inline fun ReactiveCqlOperations.queryForObject(statement: Statement): Mono =
queryForObject(statement, T::class.java)
/**
* Extension for [ReactiveCqlOperations.queryForFlux] leveraging reified type parameters.
*/
@Suppress("EXTENSION_SHADOWED_BY_MEMBER")
inline fun ReactiveCqlOperations.queryForFlux(cql: String): Flux =
queryForFlux(cql, T::class.java)
/**
* Extension for [ReactiveCqlOperations.queryForFlux] leveraging reified type parameters.
*/
@Suppress("EXTENSION_SHADOWED_BY_MEMBER")
inline fun ReactiveCqlOperations.queryForFlux(cql: String, vararg args: Any): Flux =
queryForFlux(cql, T::class.java, args)
/**
* Extension for [ReactiveCqlOperations.queryForFlux] providing a [KClass] based variant.
*/
fun ReactiveCqlOperations.queryForFlux(statement: Statement, entityClass: KClass): Flux =
queryForFlux(statement, entityClass.java)
/**
* Extension for [ReactiveCqlOperations.queryForFlux] leveraging reified type parameters.
*/
@Suppress("EXTENSION_SHADOWED_BY_MEMBER")
inline fun ReactiveCqlOperations.queryForFlux(statement: Statement): Flux =
queryForFlux(statement, T::class.java)
/**
* Extension for [ReactiveCqlOperations.query] providing a ResultSetExtractor-like function
* variant: `query("...", arg1, argN){ rs -> }`.
*/
inline fun ReactiveCqlOperations.query(cql: String, vararg args: Any, crossinline function: (ReactiveResultSet) -> Publisher): Flux =
query(cql, ReactiveResultSetExtractor { function(it) }, *args)
/**
* Extension for [ReactiveCqlOperations.query] providing a RowMapper-like function
* variant: `query("...", arg1, argN){ row, i -> }`.
*/
fun ReactiveCqlOperations.query(cql: String, vararg args: Any, function: (Row, Int) -> T): Flux =
query(cql, RowMapper { row, i -> function(row, i) }, *args)