io.r2dbc.postgresql.client.SimpleQueryMessageFlow Maven / Gradle / Ivy
/*
* Copyright 2017-2020 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
*
* https://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 io.r2dbc.postgresql.client;
import io.r2dbc.postgresql.message.backend.BackendMessage;
import io.r2dbc.postgresql.message.frontend.FrontendMessage;
import io.r2dbc.postgresql.message.frontend.Query;
import io.r2dbc.postgresql.util.Assert;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
/**
* A utility class that encapsulates the Simple Query message flow.
*/
public final class SimpleQueryMessageFlow {
private SimpleQueryMessageFlow() {
}
/**
* Execute the Simple Query message flow.
*
* @param client the {@link Client} to exchange messages with
* @param query the query to execute
* @return the messages received in response to this exchange
* @throws IllegalArgumentException if {@code client} or {@code query} is {@code null}
*/
public static Flux exchange(Client client, String query) {
Assert.requireNonNull(client, "client must not be null");
Assert.requireNonNull(query, "query must not be null");
return client.exchange(Mono.just(new Query(query)).doOnSubscribe(ignore -> QueryLogger.logQuery(query)));
}
}