001/*
002 * Licensed under the Apache License, Version 2.0 (the "License");
003 * you may not use this file except in compliance with the License.
004 * You may obtain a copy of the License at
005 *
006 * http://www.apache.org/licenses/LICENSE-2.0
007 *
008 * Unless required by applicable law or agreed to in writing, software
009 * distributed under the License is distributed on an "AS IS" BASIS,
010 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
011 * See the License for the specific language governing permissions and
012 * limitations under the License.
013 */
014package de.softwareforge.testing.postgres.junit5;
015
016import de.softwareforge.testing.postgres.embedded.DatabaseManager;
017import de.softwareforge.testing.postgres.embedded.EmbeddedPostgres;
018import de.softwareforge.testing.postgres.embedded.EmbeddedPostgresPreparer;
019
020import javax.sql.DataSource;
021
022import edu.umd.cs.findbugs.annotations.NonNull;
023
024/**
025 * Create a new PostgreSQL server that supports multiple databases. Each database is cloned from a template.
026 */
027public final class MultiDatabaseBuilder {
028
029    private MultiDatabaseBuilder() {
030        throw new AssertionError("MultiDatabaseBuilder can not be instantiated");
031    }
032
033    /**
034     * Create a builder without any customizations applied.
035     *
036     * @return A {@link DatabaseManager.Builder<EmbeddedPgExtension>} instance that can be customized further.
037     */
038    @NonNull
039    public static DatabaseManager.Builder<EmbeddedPgExtension> instance() {
040        return EmbeddedPgExtension.multiDatabase();
041    }
042
043    /**
044     * Create a builder with standard initializations ({@link EmbeddedPostgres.Builder#withDefaults()}) applied.
045     *
046     * @return A {@link DatabaseManager.Builder<EmbeddedPgExtension>} instance that can be customized further.
047     */
048    @NonNull
049    public static DatabaseManager.Builder<EmbeddedPgExtension> instanceWithDefaults() {
050        return EmbeddedPgExtension.multiDatabase().withInstancePreparer(EmbeddedPostgres.Builder::withDefaults);
051    }
052
053    /**
054     * Create a builder and register a {@link EmbeddedPostgresPreparer<DataSource>} to set up the template database.
055     *
056     * @param databasePreparer A {@link EmbeddedPostgresPreparer<DataSource>} instance. Must not be null.
057     * @return A {@link DatabaseManager.Builder<EmbeddedPgExtension>} instance that can be customized further.
058     * @since 3.0
059     */
060    @NonNull
061    public static DatabaseManager.Builder<EmbeddedPgExtension> preparedInstance(@NonNull EmbeddedPostgresPreparer<DataSource> databasePreparer) {
062        return EmbeddedPgExtension.multiDatabase().withDatabasePreparer(databasePreparer);
063    }
064
065    /**
066     * Create a builder with standard initializations ({@link EmbeddedPostgres.Builder#withDefaults()}) applied and register a {@link
067     * EmbeddedPostgresPreparer<DataSource>} to set up the template database.
068     *
069     * @param databasePreparer A {@link EmbeddedPostgresPreparer<DataSource>} instance. Must not be null.
070     * @return A {@link DatabaseManager.Builder<EmbeddedPgExtension>} instance that can be customized further.
071     * @since 3.0
072     */
073    @NonNull
074    public static DatabaseManager.Builder<EmbeddedPgExtension> preparedInstanceWithDefaults(@NonNull EmbeddedPostgresPreparer<DataSource> databasePreparer) {
075        return EmbeddedPgExtension.multiDatabase().withDatabasePreparer(databasePreparer).withInstancePreparer(EmbeddedPostgres.Builder::withDefaults);
076    }
077}