Examples with MetaDataTableImpl org.flywaydb.core.internal.metadatatable.MetaDataTableImpl used on opensource projects

Example 1 with MetaDataTableImpl

use of org.flywaydb.core.internal.metadatatable.MetaDataTableImpl in project flyway by flyway.

the class Flyway method execute.

/**
     * Executes this command with proper resource handling and cleanup.
     *
     * @param command The command to execute.
     * @param <T>     The type of the result.
     * @return The result of the command.
     */
/*private -> testing*/
<T> T execute(Command<T> command) {
    T result;
    VersionPrinter.printVersion();
    Connection connectionMetaDataTable = null;
    try {
        if (dataSource == null) {
            throw new FlywayException("Unable to connect to the database. Configure the url, user and password!");
        }
        connectionMetaDataTable = JdbcUtils.openConnection(dataSource);
        DbSupport dbSupport = DbSupportFactory.createDbSupport(connectionMetaDataTable, !dbConnectionInfoPrinted);
        dbConnectionInfoPrinted = true;
        LOG.debug("DDL Transactions Supported: " + dbSupport.supportsDdlTransactions());
        if (schemaNames.length == 0) {
            Schema currentSchema = dbSupport.getOriginalSchema();
            if (currentSchema == null) {
                throw new FlywayException("Unable to determine schema for the metadata table." + " Set a default schema for the connection or specify one using the schemas property!");
            }
            setSchemas(currentSchema.getName());
        }
        if (schemaNames.length == 1) {
            LOG.debug("Schema: " + schemaNames[0]);
        } else {
            LOG.debug("Schemas: " + StringUtils.arrayToCommaDelimitedString(schemaNames));
        }
        Schema[] schemas = new Schema[schemaNames.length];
        for (int i = 0; i < schemaNames.length; i++) {
            schemas[i] = dbSupport.getSchema(schemaNames[i]);
        }
        Scanner scanner = new Scanner(classLoader);
        MigrationResolver migrationResolver = createMigrationResolver(dbSupport, scanner);
        if (!skipDefaultCallbacks) {
            Set<FlywayCallback> flywayCallbacks = new LinkedHashSet<FlywayCallback>(Arrays.asList(callbacks));
            flywayCallbacks.add(new SqlScriptFlywayCallback(dbSupport, scanner, locations, createPlaceholderReplacer(), this));
            callbacks = flywayCallbacks.toArray(new FlywayCallback[flywayCallbacks.size()]);
        }
        for (FlywayCallback callback : callbacks) {
            ConfigurationInjectionUtils.injectFlywayConfiguration(callback, this);
        }
        MetaDataTable metaDataTable = new MetaDataTableImpl(dbSupport, schemas[0].getTable(table), installedBy);
        if (metaDataTable.upgradeIfNecessary()) {
            new DbRepair(dbSupport, connectionMetaDataTable, schemas[0], migrationResolver, metaDataTable, callbacks).repairChecksumsAndDescriptions();
            LOG.info("Metadata table " + table + " successfully upgraded to the Flyway 4.0 format.");
        }
        result = command.execute(connectionMetaDataTable, migrationResolver, metaDataTable, dbSupport, schemas, callbacks);
    } finally {
        JdbcUtils.closeConnection(connectionMetaDataTable);
    }
    return result;
}