/* * Copyright 2019-2020 Google LLC * * 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 com.google.cloud.spanner.r2dbc; import com.google.cloud.spanner.r2dbc.client.Client; import com.google.cloud.spanner.r2dbc.util.Assert; import io.r2dbc.spi.ConnectionFactory; import io.r2dbc.spi.ConnectionFactoryMetadata; import reactor.core.publisher.Mono; /** * An implementation of {@link ConnectionFactory} for creating connections to Cloud Spanner * database. */ public class SpannerConnectionFactory implements ConnectionFactory { private SpannerConnectionConfiguration config; private Client client; public SpannerConnectionFactory(Client client, SpannerConnectionConfiguration config) { this.client = Assert.requireNonNull(client, "Spanner client must not be null"); this.config = Assert.requireNonNull(config, "Spanner configuration must not be null"); } @Override public Mono<SpannerConnection> create() { return this.client.createSession(this.config.getFullyQualifiedDatabaseName()) .map(session -> { SpannerConnection connection = new SpannerConnection(this.client, session, this.config); return connection; }); } @Override public ConnectionFactoryMetadata getMetadata() { return SpannerConnectionFactoryMetadata.INSTANCE; } }